| Microscan Systems Inc. | Schwartz Electro-Optics Inc. | Richard Scientific Inc. |
| Microscope Man | Schwarz Pharma Manufacturing Inc. | Richard-Allan Scientific An Apogent Company |
| Microscope Org | Science Accessories Corp. | Richardson Grating Laboratory Div. of Spectronic Instruments |
| Microscopes by Intek | Science Fair Inc. | Richmond Technology Inc. |
| Microscopy Mart | Science Lab Software | Richter & Weise KG |
| Microscopy USA | Science/Electronics | Riedel-de Haen AG |
| Microsensor Systems Inc. | Sciencejobs.Com | Rieke Corp. |
| Micro-Serv | Scienscope International Corp. | Rigaku International Corp. |
| Microspec Corp. | Scientech Inc. | Ringsdorff-Werke GmbH |
| MicroStrain Inc. | Scientemp Corp. | Rite-Tek Canada |
| Micro-Tech Scientific Inc. | Scientific Adsorbents Inc. | Ritter Medical |
| Microtek Medical | Scientific Cell | River City Protective Wear |
| Microtrac Inc. | Scientific Consulting Services | RJ Lee Instruments Ltd. |
| Microvision | Scientific Design | RJF International |
| Microwave Research & Applications Inc. | Scientific Device Laboratory Inc. | RK ELECTRONICS |
| Mid American Analytical | Scientific Equipment Exchange Inc. | RKI Instruments Inc. |
| MIDAC Corp. | Scientific Glass Engineering (U.K.) Ltd. | RMC (Research And Mfg Co.) |
| MiDan Co. | Scientific Imaging Systems Div. of Eastman Kodak | RMT Ltd. |
| Middleton Solar Instruments | Scientific Industries Inc. | RNA Medical |
| Mideo Systems Inc. | Scientific Instrument Services Inc. | RNAture Inc. |
| MIDI Inc. | Scientific Instruments & Technology Corp. | Roadware Group Inc. |
| Midland Bioproducts Inc. | Scientific Machine & Supply Company | Robbins Scientific Corp. |
| Midwest Analytical Inc. | Scientific Manufacturing | Robert B. Hammes |
| Midwest Research Institute | Scientific Measurement Systems Inc. | Robert Riele GmbH & Co. KG |
| Midwest Scientific | Scientific Notebook Company | Robot Coupe USA Inc. Scientific-Industrial Div. |
| Miele & Cie GmbH & Co. | Scientific Polymer Products Inc. | Robotec Ltd. |
| Miele Appliances Inc. | Scientific Resources Inc. | Roboz Surgical Instrument Co. Inc. |
| MII/Teltron Technologies Inc. | Scientific Safety Solvents | ROBU Glasfilter-Gerate GmbH |
| Mikart Inc. | Scientific Services Company Inc. | Roche Molecular Diagnostics |
| Miles Diagnostics Inc. Sakura | Scientific Software Inc. | Rocklabs Ltd. |
| Miles Laboratories Inc. | Scientific Solutions Inc. | Rockland Immunochemicals |
| Milestone Srl | Scientific Specialties Service Inc. | Rockland Technologies Inc. |
| Millenova Immunology Laboratories | Scientific Supply Source | Rocky Mountain Laboratories Inc. |
| Miller Fall Protection | Scientific Systems Inc. | RODENSTOCK |
| Miller Industrial Products Company | Scientific Technologies Inc. | Rodwell Scientific Instruments |
| Millers Forge Inc. | Scigenics | Rofin Australia |
| MilliGen/Bioresearch | SciLog Inc. | Rogan B.V. |
| Millipore Corp. | SciMart | Rohm America Inc. |
| Miltenyi Biotec GmbH | SciMatCo | Rohm and Haas Co. |
| Milton Roy | SciMedx Corp. | ROMACO Inc. |
| Milwaukee Brush Manufacturing | Scintec AG | Romil Chemicals Ltd. |
| Mimotopes Pty Ltd. | Scintipharma Inc. | Rontec GmbH |
| Mine Safety Appliances Company (MSA) | Scintiprox Inc. | Ropack |
| Mineralab | SciQuest Inc. | Roper Industries Inc. |
| Minerva Diag. Ltd. | Sciscope Instrument Co. | Roper Scientific Inc. |
| Minigrip/Zip Pak | Sci-Tec Inc. | Roquette America Inc. |
| Minntech BV | Scitec Instruments Ltd. | Rose Manufacturing Company |
| Minus K Technology Inc. | SCITEC S.A. | Rosemount Analytical Inc. |
| Minuteman International Inc. | SciVision | Rosemount Analytical Inc. Dohrmann Div. |
| MIPS | Sclavo Inc. | Rosemount Brooks Instruments B.V. |
| MiraiBio Inc. | Scope City | Ross Optical Industries |
| MiraVista Diagnostics | Scotlab Ltd. | Rosys Anthos GmbH |
| Mirro Corporation | Scott Bacharach | Rotex Inc. |
| Mirus Corporation | Scott Health & Safety | Rotronic AG |
| MISCO | Scott Instruments | Rovers Diagnostic Devices |
| MISCO Products | Scott Specialty Gases Inc. | Royal Dutch AD. Linden Jr. B.V. |
| Misonix Inc. | Scott Technologies | Royal Dutch/Shell Group |
| Mission Cleanroom Service | Scottish Antibody Production Unit (SAPU) | Rozinn Electronics Inc. |
| Mitchell Plastics | SCP Science | RS Biotech Laboratory Equipment Ltd. |
| Mitsubishi Kasei Corp. Electronic Materials & Instruments Div. | Screen North Safety Products | RTP Pharma Inc. |
| Mitsubishi Optoelectronics | Scribner Associates Inc. | RTS Thurnall PLC |
| Mitsui Petrochemical Industries | Scripps Laboratories | RUA Instruments |
| MITSUI Phamacetic | S-Curve Technologies | Rubarth Apparate GmbH |
| Mittler Supply Inc. | Scytek Laboratories Inc. | Rubbermaid Commercial Products Inc. |
| Mitutoyo Corporation | Sea Life Supply | Rudolf Brand GmbH+Co. |
| Mizuho MEDY Co. Ltd. | SEAC Srl. | Rudolph Instruments Inc. |
| MJ Research Inc. | SeaLite Sciences Inc. | Rudolph Research Analytical |
| MKS Instruments Inc. | SeaMed Corp. | Rupp & Bowman Co. |
| MLA Systems Inc. | Seastar Chemicals Inc. | Ruska Laboratories Inc. |
| MM Research Inc. | Sebia | Russell pH |
| MMI Medical | SEBRA | Rustrak Instruments Div. A Mark IV Co. |
| MMR Technologies | Seco Industries | R?tten Engineering AG |
| Mobile Laboratories Inc. | Secomam S.A. | |
| Mobile Tool International Inc. | Second Source | ※ T |
| Mobile-Tronics Co. Inc. | Secure Medical | |
| MoBiTec GmbH | SEDAT | T Cell Diagnostics Inc. |
| Mochida | SEDERE sa | T&G Food Ingredient Services Inc. |
| MOCON | Sedico | T.B. Software |
| MOCON/Modern Controls Inc. | Seefelder Messtechnik GmbH & Co. Vertriebs KG | TA Biochemicals Inc. |
| MODcol Corp. | Seescan Plc | TA Instruments Ltd. |
| Modern Safety Techniques | SEI Laboratory Glassware | Taconic |
| Modern Teabag Service | Seikagaku America | Tactical Controls Ltd. |
| Modulation Optics Inc. | Seiko Instruments USA Inc. | TaKaRa Shuzo Co. Ltd. |
| Modulus Data Systems Inc. | Seiko Kabushiki Kaisha | TAL Technologies Inc. |
| Moeller Instruments | Selab Srl | Talktronics Inc. |
| Moisture Systems Corp. | Select Medical Corporation | TAMTRON |
| Molded Fiber Glass Tray Company | Select Medical Supply | Tanaka Scientific Ltd. |
| Moldex Metric Inc. | Selecto Scientific | Tantec Inc. |
| Molecular Arts Corp. | SelectX Pharmaceuticals Inc. | Targeted Genetics Corporation |
| Molecular Biology Insights Inc. | Self Seal Container Corporation | Tate Associates Inc. |
| Molecular Bioproducts | Sellstrom Manufacturing Co. | Taylor & Francis |
| Molecular BioProducts An Apogent Company | Sellstrom Safeguards | Taylor Pharmaceuticals/Akorn Inc. |
| Molecular Data Corp. | SELMI TM | Taylor Technology Inc. |
| Molecular Devices Corp. | Selopt Corporation | Taylor-Wharton Cryogenics |
| Molecular Dynamics Div. Of Amersham Pharmacia Biot | Semadeni Co. Ltd. | TBJ Inc. |
| Molecular Genetic Resources Inc. | Semat Technical (UK) Ltd. | TC TECH Corporation |
| Molecular Geodesics Inc. | SEMCO Engeering Inc. | TCI America |
| Molecular Imaging Inc. | Sempermed USA Inc. | TCS Biologicals Ltd. |
| Molecular Machines & Industries AG | Senetek PLC | TCS Medical Product Co. |
| Molecular Manufacturing Enterprises Inc. | SensaDyne Instrument Div. | Tec Laboratories Inc. |
| Molecular Medicine LLC | Sensidyne Inc. | Tecan AG |
| Molecular OptoElectronics | SensIR Technologies | Tech Glass |
| Molecular Probes Inc. | SensoMotoric Instruments | Tech Optical Services |
| Molecular Profiles Limited | Sensorex Corp. | Techcomp Limited |
| Molecular Research Center Inc. | Sensors Research Consulting Inc. | TechLab |
| Molecular Simulations Inc. | Sentex Systems Inc. | Techlab GmbH |
| Molecular Structure Corp. | Sentinel Chem Srl | Techland S.A. |
| Monitek Technologies Inc. | Sentron Corporation | Techne (Cambridge) Ltd. |
| Monsanto Company | Sentron Europe BV | Techne Inc. Princeton |
| Moor | Sentron Inc. | Technical Instrument San Francisco |
| Mopec Inc. | Separation Methods Technologies Inc. | Technichal Products International |
| Moravek Radiochemicals | Separation Systems Inc. | Techniclone Corp. |
| More Diagnostics Inc. | Seppic Inc. | Techniclone International |
| Morrell Instruments | Sepracor S.A. | Technicol Ltd. |
| Mosby | Sepragen Corp. | Technicon Instrument Inc. |
| Moss Inc. | Sequenom Inc. | Technika |
| MOVA Pharmaceutical Corp. | Sequoia-Turner | TechniKrom Inc. |
| Moxtek Inc. | SeqWright Inc. | Techniplast |
| MP (formerly ICN) Biomedicals | Seradyn Inc. | TechniQuip Corporation |
| MP Biomedicals Inc. | Sera-Lab Ltd. JRH Biosciences | Techno Medica Co. Ltd. |
| MPI Scientific | SERBIO | Technol Inc. |
| MPS Acacia | Sercom USA | Technol Medical Products Inc. |
| MR Resources | Serological Services Limited | Technology Catalyts International Corp. |
| MRA International | Serologicals Corp. | Techstyles Inc. |
| MRA of Naples Inc. | Serono Diagnostic S.A. | Techtum Lab AB |
| MRC Systems Ltd. | Serono-Baker Diagnostics Inc. | Tecnol Inc. |
| MRL Diagnostics | Serotec Ltd. | Tecnologia para Diagnostico e Investigacion.(TDI sa) |
| MRL's Dr. Watson on the Internet | Serva Feinbiochemika GmbH & Co. | Tecnomara AG |
| MSA Instrument Division | Serva/Crescent Chemical Co. Inc. | TECO Diagnostics |
| MSD Isotopes | Services & Materials Company Inc. | Teco Medical Instruments GmbH |
| MSDivisions | Servomex Co. | TecQuipment Inc. |
| MSI Micron Separations Inc. | SES Research | Ted Pella Inc. |
| MSP Corp. | SETARAM Groupe | Tedia Company Inc. |
| MST Inc. | Seton Scientific | Tegal Scientific Inc. |
| MTI Analytical Instruments | Setra Systems Inc. | TEKDON Inc. |
| Muder & Wochele GmbH | Setric Genie Industriel | Tekmar Co. |
| MULLER ratiolab | Severn Analytical | Teknivent Corp. |
| Multi Channel Systems MCS GmbH | Severn Furnaces Ltd. | Teknolabo ASSI Srl |
| Multi Liquid Handling Products | Seward Medical Ltd. | Telcom Devices Corp. |
| Multilayer Optics and X-Ray Technology Inc. | SFBC/Pharmaceutical Development Associates | Tele Vue Optics Inc. |
| Multiplex Display Fixture Co. | SGD Pharma Inc. | Telecation Inc. |
| MultiSep | SGE Inc. | Teledyne Brown Engineering Analytical Instruments |
| Mupor Ltd. | SGE International Pty. Ltd. | Teledyne Electronic Technologies Scientific Instruments |
| Murex Diagnostics Inc. | SGS US Testing Co. | Teledyne Hastings-Raydist |
| Muto | Shamrock Glass | Teledyne Industries |
| MVE Cryogenics | Shamrock Scientific Specialty Systems Inc. | Teledyne Tekmar |
| MVE Minnesota Valley Engeering Inc. | Shandon Lipshaw | Telemat |
| Myriad Diagnostic Services Inc. | Shandon Southern Products Ltd. Runco | TelePathology Consultants PC |
| | Shaw Scientific Equipment Ltd. | Telic Optics Inc. |
| ※ P | Shelby Group International Inc. | Telstar Industrial S.L. |
| | Sheldon International Ltd. | TEL-TEST |
| P.A.L.M. Mikrolaser Technologie GmbH | Sheldon Manufactuing Inc. | Temco Inc. |
| P.G.P. | Shell Connection | Tempil Inc. |
| P.J. Cobert Associates Inc. | Shell Oil Company | Tempshield Inc. |
| P.M. Tamson B.V. | Shelton Scientific Mfg. Inc. | Tenney Engineering Inc. |
| PAA Biologics | Shenzhen Feijing Precision Optical Instruments Co. Ltd. | Tepnel Life Sciences PLC |
| PAA Labor- und Forschungsgesellschaft mbH | Shepherd | TEQ-Equipamentos Tecnicos S.A. |
| Paar Scientific Ltd. | Sherba Analytical Lab Products Inc. | Terra Universal Inc. |
| Pacific Biometrics Inc. | Sherwood Davis & Geck | Terumo Medical Corp. |
| Pacific Scientific Co. HIAC/ROYCO Div. | Sherwood Medical Company | Tescom Corp. Pressure Controls Div. |
| Pacific Scientific Instruments | Sherwood Scientific Ltd. | Test Kits Express |
| Pacific Vascular Inc. | Shield North Safety Products | Tester Sangyo Co. Ltd. |
| Package Deal Inc. | Shield Diagnostics Ltd. | TESTO |
| Packard Instrument Co. Inc./Canberra | Shimadzu Corp. | Tetrahedron Associates Inc. |
| PAG Oerlikon AG Precisa Balance Div. | Shindengen Magnaquest UK Ltd. | Texas Medical Products |
| Paleo-Tech Concepts | Shin-Etsu Chemical Co. Ltd. | Textco BioSoftware Inc. |
| Palintest Ltd. | Shings MFG Company-Maxara LTD | Textilease Medique |
| PALL CORPORATION | Shionogi Qualicaps Inc. | Texture Technologies Corp. |
| Pall Gelman Sciences Inc. | Shire Laboratories Inc. | Texwipe Company LLC |
| PAMAS Partikelmess- und Analysesysteme GmbH | Showa Denko K.K. | TFB |
| Pamran Co. Inc. | SibEnzyme Ltd. | Thales Navigation |
| Panlab S.L. | Siberline | Thamer Diagnostica BV |
| Pantex | Sidena | Thar Designs |
| Pantox Laboratories | Siebe North | Thar Technolories Corp. |
| Panvera Corp. | Sieger Ltd. | The Automation Partership |
| Paracel Inc. | Siemens AG | The Carborundum Company |
| Paracelsian Inc. | Siemens Aktienge-Sellschaft | The Dow Chemical Co. |
| Paragon C and C | Siemens Industrial Automation Inc. Analytical Instrumentation Div. | The Fitzpatrick Company |
| Paramount Instruments Ltd. | Sienna Biotech Inc. | The Floridin Company |
| Park Scientific Instruments | Sierra Instruments Inc. | The Institute for Bioanalytics |
| Parker Corp. | Sievers Instruments Inc. | The Rubbright Group Inc. |
| Parker Hannifin Corp. Instrumentation Connectors Div. | Sigma Genosys | The Scientific World |
| Paroscientific Inc. | Sigma-Aldrich Corporate | The Technology Partnership |
| Parr Instrument Co. | Signal Analytics Corp. | The Validation Group Inc. |
| Parter Medical Products | Signalgene Inc. | The Virtis Company |
| Particle and Surface Sciences | Signet Laboratories Inc. | The West Pharmaceutical Services |
| Particle Data Europe S.a.r.l. | Sigri Great Lakes Carbon Corp. (and Affiliate Ringsdorff-Werke GmbH) | Theratest |
| Particle Measuring Systems Inc. | Silenus Lab. Pty Ltd. | Therics |
| Particle Sizing Systems | Silicon Valley X-Ray Site | Thermcraft Inc. |
| Particle Technology Labs | Silicycle Inc. | Thermedics Detection Inc. |
| Paternity Testing Corporation | Silk Scientific Inc. | Thermionics Vacuum Products |
| Pathco | Silvagen Inc. | Thermo Analytical Inc. TMA/NORCAL |
| Patheon Inc. | Simbec Research Ltd. | Thermo Analytical Inc./ERG |
| Pathologist Associated Medical Laboratories | SIMCO Electronics | Thermo EC |
| Pathology Associates P.C. | Simmler | Thermo Electric Co. Inc. |
| Pathology Laboratories of Arkansas P.A. | Simplicity Diagnostics | Thermo Electron Informatics (formerly Thermo Labsystems) |
| Pathology Services Inc. | Simport Plastics Ltd. | Thermo Electron Molecular Biology (formerly Thermo Hybaid) |
| Pathwise Inc. | SIMS Portex Inc. | Thermo Electron Water Analysis (formerly Thermo Orion) |
| Patterson Saw & Supply Co. Inc. | Simulations Plus Inc. | Thermo Elemental |
| Paul Boettger OHG | Sinclair Optics Inc. | Thermo Environmental Instruments Inc. |
| Paul Marienfeld GmbH & Co. KG | Sino Science & Technology Co. Ltd. | Thermo Finnigan |
| Paul Mueller Co. | Sipan BVPA | Thermo Haake |
| Paul N. Gardner Company Inc. | Skalar Analytical B.V. | Thermo Hybaid |
| Pbi International SpA | Skatron Instruments AS | Thermo Hypersil-Keystone |
| PBI/Pacific Biometrics Inc. | SKC Inc. | Thermo IEC |
| PCO Gmbh | SkeleTech Inc. | Thermo Instrument Systems Inc. |
| PCR Inc. | SkinEthic Laboratories | Thermo Jarrell Ash Corp. |
| PDA Inc. (Parenteral Drug Association) | Sklar Instruments Corp. | Thermo Neslab |
| PDI-Professional Disposable International | Sky Scientific | Thermo Nicolet |
| PDZ Europa Ltd. | SkyePharma | Thermo NUtech |
| PE Biosystems | SL100 System | Thermo Russell |
| Peak Scientific Inc. | SLAMED Ing. GmbH Laboratory Instruments | Thermo Savant |
| Peak-Tek Inc. | Slee Technik GmbH | Thermo Separation Products |
| Peca Products Inc | SLM Instruments Inc. | Thermo Shandon |
| Pediatrix Screening | Small Parts | Thermo Spectronic |
| Pegasus Scientific Inc. | Smart Products Inc. | Thermo Vision Colorado |
| Pel-Freez Biologicals | Smith Industries Medical Systems | TherMold Partners |
| Pel-Freez Clinical Systems | SmithKline Beecham Clinical Laboratories | THERMOLYNE |
| Pelican Products Inc. | Snap-Tite Hose Inc. | Thermometric AB |
| Peninsula Laboratories Inc. | Snijders Scientific B.V. | ThermoProbe Inc. |
| Penn Walt Corp. | Sno-Trik Co. A Swagelok Co. | ThermoQuest GmbH |
| Pennsylvania Scale Company | Snydergeneral Corp. Div. of American Air Filter | ThermoSafe |
| Penta Manufacturing Co. | Socorex ISBA S.A. | Thermotron Industries |
| Pentapharm Ltd. | SODEXIM S.A. | Theta Corp. Chemical Div. |
| Pentax | Sofretec | Theta Industries Inc. |
| Penwest | Soft Computer Consultants | Thin Film Imaging Technologies |
| PEPPERL + FUCHS | Softshell International Ltd. | Third Wave Technologies Inc. |
| PeproTech Inc. | Software Spectra | Thomas Engineering Inc. |
| Peptide Innovations Inc. | SoilCore Inc. | Thomas Scientific |
| Peptides International Inc. | Solartron Metrology | Thompson and Capper |
| Per Immune Inc. | Solatell Ltd. | Thomson Instrument Company |
| Perani Srl. | Solatron Instruments | THORLABS |
| Perceptive Instruments Ltd. | Solea Tacussel | Thru-Put Systems Inc. |
| Percival Manufacturing Co. | Solide State measuremsnts Inc. | Thurnall Plc |
| Percival Scientific Inc. | Solomat A Neotronics Co. | Tian Cheng Hong |
| Perfect Fit Glove Co. Inc. A Bacou-Dalloz Company | Solomon Industries Inc. | Tians International |
| Perfex Corp. | So-Low Environmental Equip. Co. | TICK-ITT |
| Perk Scientific | Soltec Corp. | Ticoscen Chromatography Instrument Services |
| Perkin-Elmer Inc. | Solution Consultants Inc. | Tiffen Manufacturing Co. |
| Perma Pure Inc. | Solutions Plus Inc. | TIL/SEAC |
| Permutit Co. Ltd. | Solvent Diagnostics | Tillquist Danmark A/S |
| Pernicka Corp. | Solv-Tek Inc. | Timberline Instrument Inc. |
| Perritt Laboratories Inc. | SOMA Scientific Instruments | Time Logic Tahoe Research Center |
| PerSeptive Biosystems Inc. | Soniclean | TimeMed Labeling Systems Inc. |
| Personal Chemistry | Sonicor Instrument Corp. | Tingley Rubber Co. |
| Personna Medical | Sonics & Materials Inc. | Tintometer Ltd. |
| Perstorp Analytical Environmental | Sonnetch Ltd. | Tip Industries Inc. |
| Perstorp Analytical Inc. | Sonoscan Inc. | Tips Bio Plas |
| Perstorp Biolytica AB | Sono-Tek Corp. | Tissue Culture Biologicals USA |
| Pet & Vet Inc. | SonTek/YSI Inc. | Tissue Informatics Inc. |
| Perten Instruments AB | Sony Electronics | Tissue Therapeutics Inc. |
| Peter Huber Kaltemaschinebau GmbH | Sooner Scientific Inc. | Tissue Transformation Technologies |
| Petrolab Corp. | SOPRA SA | Titan Tool Supply Co. Inc. |
| Petrotest Instruments GmbH & Co. KG | Sorenson BioScience | Titmus Optical Zeiss group |
| Pevco Systems International Inc. | Sorin Biomedica SpA | TKA-Teknolabo A.S.S.I. Srl |
| Pfeifer & Langen | Sorvall Products L.P. | TMS Europe Ltd. |
| Pfeiffer Glass | Sotax Corp. | TN Spectrace Inc. |
| Pfeiffer of America | Sotelem Export | TOA Medical Electronics Co. Ltd. |
| Pfizer | Sourse Scientific System Inc. | Tocris Cookson Inc. |
| PGC Scientifics Corp. | South Bay Technology Inc. | TOKRA MEDICAL |
| PGI Inc. | South Florida Bioavailability Clinic | Tokyo Boeki Medical System |
| PGP SA | Southern BioSystems Inc. | Tokyo Electronic Industry |
| Phamatech Inc. | Southern Biotechnology Associates Inc. | Tompkins Rubber Co. |
| Pharma Medica Research Inc. | Southern Micro Instruments | Tomtec Inc. |
| Pharma Test Apparatebau GmbH | Southern Mills | Tomy Tech U.S.A. Inc. |
| Pharmaceutical Development Center | Southern Research Institute | Tool Specialty Co. |
| Pharmaceutical Education & Research Institute | Southern Testing & Research Laboratories Inc. | Top Exports Private Ltd. |
| Pharmaceutical Formulation & Quality Magazine | Southland Products Incorporated | Top Labortechnik |
| Pharmaceutical Outcomes Research Inc. | Southwest Sciences | Topcon Corporation |
| Pharmaceutical Press | Sovinformsputnik | Topcon Technologies Inc. |
| Pharmaceutical Processing | SP Pharmaceuticals LLC | TopoMetrix |
| Pharmaceutical Profiles Ltd. | Space Optics Research Labs | Torcan Chemical Ltd. |
| Pharmaceutical Software Systems Inc. | Spark Holland B.V. | Torrey Pines Scientific Inc. |
| Pharmaceutical Technologies International Inc. | Spartek | Torus Precision Optics Inc. |
| Pharmaceutical Technology | SPEC Div. of ANSYS Inc. | Torvac Inc. |
| Pharmaceutics International Inc. | Specac Ltd. | Toshiba Medical Systems Corp. |
| Pharmacia Biotech AB | Specialty Laboratories Inc. | Tosoh Medics Inc. |
| Pharmacia Deltec Inc. | Specialty Measurements Inc. | TosoHaas |
| Pharmacia Hepar Inc. | Specialty Reference Laboratories Inc. | Total Fire Inc. |
| Pharmacia S.P.A. | Specialty Tape & Label Co. Inc. | Total Renal Research Inc. |
| Pharmacology and Toxicology Research Laboratory (PTRL) | Speci-Microsystems Ltd. | Tower Optical Corporation |
| Pharmacopeia Inc. | SPECS & BioSPECS BV | Toxwork Laboratories Inc. |
| PharmaKinetics Laboratories Inc. | Specs GmbH | Toyobo Co. Ltd. |
| Pharmatek Laboratories Inc. | SPECS Scientific Instruments Inc. | TPP AG |
| PharmChem Laboratories Inc. | Spectra Hardware Inc. | Trace Analytical Inc. |
| Pharmco Products | Spectra Services Inc. | Trace Sciences International Corp. |
| PharMingen | Spectral Data Services Inc. | Trace Scientific Pty. Ltd. |
| PHARMout Laboratories | Spectral Diagnostics Inc. | TRA-CON Inc. |
| PharmQuest.com | Spectral Instruments Inc. | Trans Time Inc. |
| Pharsight Corporation | Spectral Systems Inc. | Transasia Bio-Medicals Pvt Ltd. |
| Phase Forward Inc. | Spectra Physics Inc. | Transfer Engineering and Manufacturing Inc. |
| Phase Separations | Spectra-Source Inc. | Transgalactic Ltd. |
| Phase Technologies Inc. | Spectra-Tech Inc. | Transgene S.A. |
| Phasex Corporation | Spectratek Mass Spectrometry Services | Transgenomic Inc. |
| Phenomenex Inc. | Spectrex Corp. | Transia |
| PHI | SPECTRO Analytical Instruments GmbH & Co. KG | Transition Labs Inc. |
| PHI Enterprises Inc. | Spectro Analytical Instruments Inc. | Transkaryotic Therapies Inc. |
| Philadelphia Thermometer and Control | Spectro Inc. | TransLogic Corp. |
| Philip Harris Scientific | Spectro/AB Research Laboratories Ltd. | Transoma Medical Inc. |
| Philips Analytical X-Ray B.V. | Spectrocell Inc. | TranTech Consultants Inc. |
| Philips Components Discrete Products Div. | Spectrofuge | Traveling Software |
| Philips Electron Optics | Spectrogon AB | Treff AG |
| Phillips Petroleum Company | Spectrogram Corp. | Trega Biosciences (subsidiary NaviCyte Inc.) |
| Phipps & Bird | Spectrometrie Spin et Technique | TREK Diagnostic Systems |
| Phoenix Controls Corp. | Spectron Corp. | TRELLEBORG |
| pHoenix Diagnostics Inc. | Spectronic Analytical Instruments | Tremetrics Inc. |
| Phoenix Electrode Co. | Spectronic Instruments Inc. | Trestle Corporation |
| Phoenix Medical Technology Inc. | Spectronics Corp. | Triangle Biomedical Sciences Inc. |
| Phoretix International | Spectros Assosiates | Triangle Laboratories |
| Phosphor Tech Corporation | Spectrum Chemical Mfg. Corp. | Triatek |
| Photodyne Pathology Automated Macro Photography System | Spectrum Chromatography | Tri-Clover Inc. |
| Photometrics Ltd. | Spectrum Laboratories Inc. | Tri-Continent Scientific Inc. |
| Photon Control | Spectrum Laboratory Products | Tricor Systems Inc. |
| Photon inc. | Spectrum Labs.com | Trikonex AB |
| Photon Technologies Inc. | Spectrum Medical Industries Inc. | TriLink BioTechnologies Inc. |
| Photon Technology International Inc. | Spectrum Research LLC. | TriMetrix Inc. |
| Photonic Science Ltd. | Speed Fair Company | Trina Bioreactives AG |
| Photonics Industry and Technology Development Association | Sper Scientific | Trinity Biotech Plc |
| Photophysics Ltd. | Spetec GmbH | Trinity Software |
| PhotoSense LLC | SPEX CertiPrep Inc. | Trinity Technologies |
| Photovac International Inc. | Spherotech Inc. | Trioptics GmbH |
| Photovolt Instruments/UMM Electronics Inc. | SPI PHARMA | TriPath Imaging Inc. |
| Photron Pty Ltd. | SPI-BIO | TRIPLE R INDUSTRY |
| Photron USA Inc. | Spike International Ltd. | Tripos Associates Inc. |
| Photronix (Malaysia) Sdn Bhd | Spinup GmbH | Tripos Inc. |
| Phrasor Scientific Inc. | Spiral Biotech Inc. | TrippNT Inc. |
| Physica Messtechnik GmbH | SPIRAL Sarl | Tristan Technologies Inc. |
| Physical Optics Corp. | Spiricon Inc. | Tritech Field Engineering Inc. |
| Physio-Control Corp. | Splash Shield | Triton Technology |
| Physitemp Instruments Inc. | Spot srl | Troemner Inc. |
| Phytera Inc. | Spotfire | Tronac Inc. |
| PhytoTechnology Laboratories | SPSS ASC GmbH | TROPIX Inc. |
| Pickering Laboratories Inc. | SPSS Science | TrueTime Inc. |
| Picometrics S.A. | Sqwincher Corp. | TS Scientific |
| PICOSORB | SRI Instruments | TSD BioServices |
| Pierce Chemical Co. | SSCI Inc. (Solid State Chemical Information) | TSI Inc. |
| Pike Technologies Inc. | SSI Corporation | TSI/PAID Div. |
| pION Inc. | SST Corp. | TSP Thermo Separation Products |
| Pisgah Labs Inc. | St. Andrews Marketing Associates | TSRL Inc./PORT Systems |
| Pittsburgh Conference | St. Charles Manufacturing | Tucker Davis Technologies Inc. |
| Pittway Corporation | St. John Associates Inc. | Tufpak Inc. |
| PIXE Analytical Laboratories | ST2 Service Technologies Inc. | Turner Designs Inc. |
| PixeLINK | Stable Micro Systems Ltd. | Turnkey Instrument |
| Pixera Corporation | STAGROMA AG | Tuthill Corp. Tuthill Pump Div. |
| PL Thermal Sciences Ltd. | Stahmer Weston & Co. Inc. | Tuttnauer Co. Ltd. |
| Planer Products Ltd. Biomed Div. | Staib Instruments | TVI Corporation |
| Plant Research International B.V. | Stan A. Huber Consultants Inc. | TYCO |
| Plas-Labs Inc. | Stanbio Laboratory | Tzafon Medical & Laboratory Products |
| Plasticoid Co. | Standa Opto-Mechanical Products | |
| Playtex Products Inc. | Standard Safety Equipment Co. | ※ U |
| PMC Industries/Barnstead Thermolyne | Stanford Research Systems Inc. (SRS) | |
| PML Microbiologicals | Stanhope-Seta Ltd. | U.S. Filter |
| PMS Digital Imagers | Stansted Fluid Power Ltd. | U.S. Laboratories |
| Pneumatic Products Corp. | Stanton Scientific Vacuum Science | U-BiSys |
| Pocono Rabbit Farm & Laboratory Inc. | Star Biochemicals Inc. | Ubitech AB |
| Pohlig Brothers | Star Micronics Deutschland GmbH | UCB-Bioproducts S.A. |
| Pointe Scientific Inc. | Star Oddi | UDT Instruments |
| Polar Ware Company | Star Scientific Glass Co. | UF Center for Clinical Trials |
| Polaroid Corp. | STARLAB GmbH | UIC Inc. |
| Polaro-Sensors Ltd. | Starplex Scientific Inc. | UK -KCCRIS |
| Polikon | Stat-Ease Inc. | Ulster Scientific Inc. |
| Pollution & Process Monitoring Ltd. | Statebourne Cryogenics Ltd. | Ultra Scientific Inc. |
| Poly Software International | StatSpin Inc. | Ultra-Lum Inc. |
| Polybac Corp. | STC Diagnostics | Ultrasonic Scientific Inc. |
| Polydata Software | STC Technologies Inc. | Ultra-Violet Products Ltd. |
| Polyfiltronics Inc. | Stearns Inc. | Ulvac Technologies Inc. |
| Polyfoam Packers Corp. | Steel Grip Inc. | Umkat Aquacontrol GmbH |
| PolyMak | Stellar Software | UMM Electronics Inc. |
| PolyMASC Pharmaceuticals | StemCell Technologies Inc. | Uni Fit Company |
| Polymedco Inc. | Stephens Scientific (Division of Richard Allan Scientific) | Unicam Analytical Systems |
| Polymer Dynamics | Steris Corporation | Uniclip Ltd. |
| Polymer Laboratories Inc. | Sterogene Bioseparations Inc. | Unico |
| Polymicro Technologies Inc. | Steroglass S.r.l. | Unicon Instruments |
| Polymicrospheres-Advanced Nanotechnologies | STESIS Corp. | UniEquip |
| PolyPeptide Laboratories | Stocker and Yale | Unifab Corp. |
| Poly-Pipets Inc. | St?ckert Instrumente GmbH | Uniflex Inc. |
| Polyprobe Inc. | Stockhausen Inc. | Unilab Corporation |
| Polysciences Inc. | Stockwell Scientific | Unimetrics |
| Poly-Seal Corp. | Stoe & Cie GmbH | Unimetrics Corp. |
| Polytec GmbH | Stoelting Co. | Union Carbide Corp. |
| Polytec PI Inc. | Stopwatches USA Eric Armin Inc. (EAI) | Union Process Inc. |
| Polyvinyl Films | Stovall Life Science Inc. | Unipath LLC |
| Pond Engineering Laboratories | Stratagene Cloning Systems Inc. | Unipath Ltd. |
| Pope Scientific Inc. | Stratec Electronic GmbH | United Ad Label Co. Ltd. |
| Popper & Sons Inc. | Strategic Diagnostics Inc. | United Biotech Inc. |
| Poretics Corp. | Strathkelvin Instruments Inc. | United Diagnostic Industry |
| Porex BioProducts Group | Straub Company | United Laboratory Plastics |
| Porex Scientific | Strawberry Tree Inc. | United Medical Manufacturing Co. |
| Porex Technologies Corp. | Streamlight Inc. | United Products & Instruments Inc. |
| Porous Materials Inc. | Streck Laboratoris Inc. | United States Biochemical Corp. |
| Porter Instrument Co. | Strem Chemicals Inc. | United States Plastic Corp. |
| Porton Cambridge | Stress Photonics Inc. | Unitron Inc. |
| Porvair Filtronics Ltd. | Stressgen Biotechnologies Corp. | Univ. Cambridge |
| Porvair Sciences Ltd. | Strohlein GmbH & Co. | Universal Imaging Corporation |
| Positive Light Inc. | Strongridge | Universal Marketing Corp. |
| Post Medical Inc. | Struart Scientific Co. Ltd. | Universal Preservation Technologies Inc. |
| Poulten Selfe & Lee Ltd. | Structure Probe Inc. SPI Supplies | Universal Technical Products |
| Powdersize Inc. | Struers Inc. | Universal-Systems Inc. |
| Power Scientific Inc. | Stuart Scientific Co. Ltd. | Universe Sales |
| Powerever Inc. | Sulzer Biotech Systems | University of California San Diego - Biochemical Genetics Laboratory |
| POWTEC Maschinen & Engineering GmbH | Summit Biotechnology | University Of Iowa |
| PP Systems | Sun Brokers Inc. | University of North Texas DNA/Identity Laboratory |
| PPD | Sun International Trading | University of Utah - DNA Diagnostic Laboratory |
| PPD Discovery | Sunbeam (Oster Professional Products) | University of Vermont Pathology and Laboratory Medicine |
| PPGx Inc. | Sunbeam Home Comfort | University of Wisconsin Madison - Waisman Center - Cytogenetics Lab |
| PPL Therapeutics plc | SuniCom Oy | University Pharmaceuticals of Maryland Inc. |
| PPR Diagnostics Ltd. | Sunnex | University Software Systems Inc. |
| PRA International | Sunnyday Environmental and Bio-Tech Services | Univesal Imaging Corporation |
| PRACS Institute Ltd. | Sunquest Information Systems Inc. | UOP mat/sen |
| PRCA | Sun-SRi An Apogent Company | Upchurch Scientific Inc. |
| PreAnalyiX GmbH | Supelco Inc. | Update Instrument Inc. |
| Precisa Scientific Inc. | SuperArray Bioscience Corporation | UpFront Chromatography AS |
| Precision Detectors Inc. | Supercool Themoelectric Systems | Upright Inc. |
| Precision Devices Inc. | SUPERIOR | US Drug Testing Laboratories Inc. |
| Precision Dynamics Corp. | Superior Surgical Manufacturing Co. Inc. | US Public Health Service Indian Health Service |
| Precision Glassblowing of Colorado USA | Supersaturated Environments | US Safety |
| Precision Instrumentation Ltd. Div of Precision Glass Blowing | Suprex Corp. | US Stoneware |
| Precision Optics Corporation Inc. | Sure-Loc Inc. | USA Scientific Inc. |
| Precision Scientific Inc. | Surface Measurement Systems | USBiological Inc. |
| Precision Scientific/Napco | Surgical Design | USC Pathology Reference Laboratory |
| Precision System Science Ltd. | Surgipath Medical Industries Inc. | Usenet - sci.chem.labware |
| Precision Systems Inc. | SurModics Inc. | USFilter Inc. |
| Precision Therapeutics Inc. | Sur-Scan Inc. | USP (U.S. Pharmacopeia) |
| Precision-Optical Engineering | Survivair Corp. | ustrite Manufacturing |
| Preiser Scientific Inc. | Sutter Instruments | Utak Laboratories Inc. |
| Premier Biosoft International | Svend A. Nielsen A/S | UTI Instruments |
| Prescott's Inc. | Swagelok Co. | UVEX Safety Inc. A Bacou-Dalloz Company |
| Presearch | Swan Label and Tag | UVIS |
| Presision Laboratory Plastics Inc. | Swelab Instrument AB | UVitec Limited |
| Pressure Chemical Co. | Swift Instruments Inc. | UVP Inc. |
| Pressure Products Industries Inc. | Sybase Inc. | UXR |
| Prestige Medical Inc. | Sycamore Glass Components | |
| Primary Medical Clinic | Sycamore Industries Inc. | ※ V |
| Prime Synthesis | Sydor Optics Inc. | |
| Primedica Corp. | SY-LAB Geraete GmbH | V&P Scientific Inc. |
| Primeline Industries Inv | Sylvania Electric Products Inc. | V.G.A. Ingenierie |
| Primus Corp. | Symbiontics Inc. | VA Cooperative Studies Program Clinical Research Pharmacy Coordinating Center |
| Prince Technologies B.V. | Symbol Technologis Inc. | Vaccon Co. Inc. |
| Princeton Biomeditech Corp. | Symbolistics Inc. | Vactek Inc. |
| Princeton Gamma-Tech Inc. | Symco Inc. | VacuMed |
| Princeton Instruments Inc. | Symmetricom Corp. | Vacumetrics Inc. |
| Princeton Scientific | Sympatec GmbH | VacuTec MeBtechnik GmbH |
| Princeton Sealing Wax Company | Synaptic Systems GmbH | Vacuubrand GmbH & Co. |
| Princeton Separations Inc. | Synbiosis Ltd. | Vacuum Atmospheres Co. |
| Princeton Simulations | SynChrom Inc. | Vacuum Coating Consultants |
| Princo Instruments | Synemed Inc. | Vacuum Generators Ltd. |
| Prior Scientific Instruments Ltd. | Synergy Scientific | Vacuum Inc. |
| PriorClave Ltd. | Syngene (UK) | Vacuum Industries |
| PRISM Consulting & Design Inc. | Syntesome GmbH | Vacuum Pump Sales & Service |
| Prism Enterprises | Synthecell/Vega Biomolecules Corp. | Vacuum Research Corp. |
| Prism Instruments Inc. | Synthetic Genetics | Vacuum Technology Inc. |
| PrismaSystems Corp. | Syntron Bioresearch Inc. | Vaisala Inc. |
| PRO Scientific Inc. | Sysmex Corporation | Val Tech Diagnostics Inc. |
| Proactive Genetics | Systag Benelux B.V. | Valco Instruments Co. Inc. (VICI) |
| Problem Solving Concepts Inc. | Systag System Technik | Valcor Scientific A Div. of Valcor Engineering Corp. |
| Procedyne Corp. | Systea S.r.l. | Valeant Pharmaceuticals International |
| Process Instruments Inc. | Systec Inc. Analytical/Biological Div. | Validation Systems International Inc. |
| Process Metrix | Systech Instruments Ltd. | Validyne Engineering Corp. |
| Prochem Mixing Equipment Ltd. | System Analysis Corp. | Valitec Inc. |
| Prochrom S.A. | System Specialists Inc. | Vallen Systeme GmbH |
| ProClinical Inc. | Systems for Research Corp. | Valley Forge Instrument Co. Inc. |
| Procter & Gamble Co. | Syva Corp. | Valley Research |
| Prode | Syva International | ValMark Inc. |
| Productos Quimicos Monterrey S.A. | | Valois of America Inc. |
| Products for Science and Industry | ※ W | Valtech Diagnostics |
| Prof Dr Berthold | | Valtronics Inc. |
| Professional Disposables Inc. | W&T Avery Ltd. | Value Instrument & Optical Inc. |
| Professional Genetics Laboratory AB | W.A. Hammond Drierite Co. | Value Plastics Inc. |
| Profex Medical Products | W.B Saunsers Company | Van Air Systems Inc. |
| Profile Diagnostics Inc. | W.H. Freeman and Co. | Van Cort Instruments |
| Progen Biotechnik GmbH | W.H.E.Process Technology Group | Van Essen Instruments |
| Progen Biotechnik GmbH | W.K. Hall Metabolic Evaluation and Research Laboratory | Van London |
| Progen Industries Ltd. | W.L Gore & Associates Inc. | Van Nostrand Reinhold |
| Progeny Software LLC | W.R. Grace Co. | VanderHoff & Associates LLC |
| Pro-Lab Diagnostics | W.S. Tyler Co. | Vangard International Inc. |
| ProLab Resources | W.Steenback | Vanzetti Systems Inc. |
| Prolabo | W.W. Norton and Co. | Vaponics Inc. |
| Proligo LLC | WA Technology Ltd. | Varel Sales |
| Prolon LLC | Wacker-Chemie GmbH | Varex Corp. |
| Promega Corp. | Wadsworth Publishing Co. | Varian Analytical Instruments Inc. |
| Prometic Biosciences Inc. | Wagner Co. | Varian Associates |
| PromoCell GmbH | Waikato DNA Sequencing Facility | Variety Glass |
| Promochem GmbH | Waitaki International Biosciences | Variomag - USA |
| ProPath Laboratory Inc. | Wakefield Precision Optics Inc. | Varivest Inc. |
| Propper Manufacturing Co. | Wako Pure Chemical Industries Ltd. | Varlen Instruments Inc. |
| Proscan | WAL Inc. (Wyoming Analytical Laboratories Inc.) | Varsal Instruments Inc. |
| Proscience Pty Ltd. | Walchem Corp. | VAT Vakuumventile AG |
| Prospec-Tany TechnoGene | Waldemar Knittel Glasbearbeitungs GmbH & Co. KG | VAT VALVE |
| ProTech Professional Products Inc. | Waldner Laboreinrichtungen GmbH & Co. | Vatell Corp. |
| Protectaide Division of Medical Package Systems Inc. | Wale Apparatus Co. | VaxGen Inc. |
| ProtectAide Inc. | Walgene R&D Laboratories | VayTek Inc. |
| Protectoseal | Walker Laboratories Ltd. | VBE Inc. |
| Protein Polymer Technologies Inc. | Walker Scientific Inc. | VBS Industries Inc. |
| Protein Sciences Corporation | Walker Stainless Equipment Co. | VCH Publishers |
| Protein Solutions Inc. | Wallac Oy | VCR Group (USA) |
| Proteogen Inc. | Wallace Computer Services | VDS Optilab Chromatographietechnik GmbH |
| Proteome Sciences | Wallaceville Animal Research CTR. | Veco Custom Optics |
| Protocol Analytical Supplies Inc. | Waller Brothers Stone Co. | Vector Corp. |
| Protos ImmunoResearch | Wall-Lenk Corp. | Vector Group Inc. |
| Pro-Trak Corp. | Wallok Engeering Co. Ltd. | Vector Laboratories Inc. |
| Provalis | Walsh Automation Inc. | Veda Lab |
| Prozyme Inc. | Walter Graf & Co. GmbH | Vee Gee Scientific Inc. |
| Prufgerate-Werk Medingen GmbH | Walter Kidde Company | Veeco Instruments Inc. |
| PS Analytical Ltd. | Walter Stern Inc. | Vee-Tech BV |
| PSC Inc. | Waltron Ltd. | Vega Biotechnologies Inc. |
| ptl. Products of Technology | Walu Labortechnik GmbH | Vektrex Electronic Systems Inc. |
| PTRL East Inc. | Wampole Laboratories Inc. | Velcro Industries B.V. |
| Puffer Hubbard GS Laboratory Equip | Ward Scientific Ltd. | Velmex Inc. |
| Pulsafeeder Inc. A Unit of IDEX Corp. | Ward Systems Group Inc. | Velotec Inc. |
| Pulsar Physics | Ward's Natural Science Establishment Inc. | Velp Scientifica srl |
| Pulse Instrumentation Ltd. | Waring Products Inc. | VelQuest Corporation |
| Pulstec Industrial Co. Ltd. | Warner Instrument Corporation | VennNova LLC |
| Purdue Frederick Co. | Warner-Jenkinson | Venpet-Petil |
| Purfybr Inc. | Warner-Lambert Co. | Ventana Clinical Research Corp. |
| Purified microEnvironments Inc. | Warson Group Inc. | Ventana Medical Systems Inc. |
| Purite Ltd. | Washington Biotechnology Inc. | Ventrex Laboratories Inc. |
| PVD Products Inc. | Wasson-ECE Instrumentation Inc. | VEPRO GmbH |
| PyMaH Corp. | Watanabe Keike Mfg. Co. Ltd. | Verax Corp. |
| Pyramex Safety Products | Water Saver Faucet Co. | Verder Deutschland GmbH |
| Pyramid Laboratories Inc. | Water Services Corp. | Verder Vleuten BV |
| Pyro Therm Furnaces | Water Treatment Plant/Laboratory | VERE Inc. |
| Pyrosequencing AB | Water-Jel Technologies | Verhoog-PSI Holland BV |
| | Waterloo Maple Inc. | Verichem Labs |
| ※ X | Waters Corp. | Veriflo Corp. |
| | WaterSaver Faucet Co. | Veritas Inc. |
| Xanthon Inc. | Watlow Electric Manufacturing Co. | Veriteq Instruments Inc. |
| Xavier Industries | Watson Biotechnology Co. Ltd. | Verity Software House Inc. |
| XC Corp. | Watson Foods Company Inc. | Vermicon AG |
| X-Cel X-Ray Corp. | Watson-Marlow Inc./Bredel Pumps | Vermont Photonics Inc. |
| Xebek Industrial of Texas | Wave Biotech LLC | VersaLogic |
| XEI Scientific | WaveFront Sciences Inc. | Vertex Industries Inc. |
| Xenco Laboratories | Wavefunction Inc. | Vertex Pharmaceuticals |
| Xencor | WBAG Resources Inc. | VerticalNet Inc. (Science Group) |
| Xenobiotic Detection Systems Inc. | WCB/McGraw-Hill | Vestec Corp. |
| Xenometrix Inc. | WDC Holdings Inc. (Whiting and Davis Safety) | Vesuvius McDanel |
| Xenon Corp. | Wearwell Tennessee Mat Company Inc. | Veterinary Dynamics Inc. |
| Xenopore Corp. | Weatheby Health Care | Veterinary Laboratories Agency |
| Xenopus Express | Weatherby/Nasco Inc. | VG Elemental |
| Xenos Bioresources Inc. | Webber Manufacturing Co. Inc. | VG Gas Analysis Systems |
| XenoTech LLC | Weber Scientific | VG MIcrotech |
| Xeragon Inc. | Weber Scientific International Ltd. | VG Quadrapoles |
| Xerox Corp. | WebGenetics | VHG Labs Inc. |
| Xi Tec Inc. | WebOligos.com | Viaken Systems |
| Xillix Technologies Corp. | Weck Laboratories Inc. | VIBGYOR Optical Systems Corporation |
| Xinchem Co. | Wedgewood Technology Inc. | Vibration Engineering Consultants |
| Xiril AG | Weinbrenner Shoe Co. | Vibratome.com |
| XIRON Inc. | Weiss Associates | Vical Inc. |
| Xiron Optical Corporation | Weiss Environmental Technology Inc. | Vicam Inc. |
| XO Corporation | Weiss Klimatechnik GmbH | Vicam Science Technology |
| XPS International | Weiss Research Inc. | VICI AG (Valco International) |
| X-Ray Copy Service Inc. | Weksler Instruments Corp. | VICI Jour Research AB |
| X-Ray Marketing Associates Inc. | Welch Allyn | VICI Metronics Inc. |
| X-Ray Medical Apparatus Co. | Welch Thomas Vacuum Ind. | Vicon Motion Systems Inc. |
| X-Ray Optical Systems Inc. | Welch Vacuum | Victaulic Co. of America |
| X-Ray Technology Group (Oxford Instruments) | Wells Lamont Industry Group | Victor Associates |
| X-Rite Inc. | Wells-Lamont Technologies Inc. | Victoreen Inc. |
| X-Tech Co. | Wenzel Instruments AG | Vidar Systems Corp. |
| Xybion Corp. | Werther International Inc. | Vidaro Corp. |
| Xylan Corp. | Wescan Instruments Inc. | Video Printer Inc. |
| Xylum Corp. | WESCO Western Scientific Co. Inc. | Video Scope International Ltd. |
| Xynetix Design Systems | Wescor Inc. | Vidrine Consulting |
| | Wessington Cryogenics Ltd. | View Technologies |
| ※ Y | West Chester Marketing | Viking Instruments Corp. |
| | West Coast Analytical Service Inc. | Viking Medical Products |
| Yamanouchi Pharma Technologies Inc. | West Coast Pathology Laboratory (WCPL) | Viking Plastic Pack Inc. |
| Yamato Scientific Co. Ltd. | West Coast Research Corp. | VI-Lab |
| Yamazen Corp. | West Company | Vilber Lourmat |
| Yanaco Analytical Instruments Corp. | West L.A. Microscope Co. | Vin Karola Instruments |
| Yankee Environmental Systems Inc. | West Publishing Co. | Vinaro Medical Technologies |
| Yasuda Seiki Seisakusho Ltd. | Westco Scientific Instruments | Vincent Associates |
| Yes Biotech Laboratories Ltd. | Western Aeromedical Consortium | Vincent Corp. |
| Ylem Srl. | Western Analytical Products Inc. | Vinci Technologies |
| YMC Inc. | Western Chemical Research | Vindon Scientific Ltd. |
| Yoh Scientific | Western Enterprises | Vindum Engineering Inc. |
| Yokogawa Corp. of America | Western Graphtec Inc. | Violet |
| York Bioanalytical Solutions | Western States Machine Company | Viox Corp. |
| York Biologicals International | Western States Plasma | Viral Antigens Inc. |
| Yoshida Kagaku Kikai Co. Ltd. | Westex Inc. | Viral Therapeutics Inc. |
| Yoshida Seisakusho Co. Ltd. | Westfalia Separator Inc. | Virapur LLC |
| YOU Ltd. | WesTgard Quality Corp. | VIRCELL SL. |
| Youngstown Barrel & Drum Company | Westing Software Inc. | Virian Sample Preparation Products |
| YSI Inc. (Yellow Springs Instruments Inc.) | Westover Scientific Inc. | Virion Inc. |
| Yula Corp. | Westprime Systems | Viro Research International Inc. |
| | Westvaco Corp. | ViroGen |
| ※ Z | WH Brady | ViRoLac Industries |
| | Whale Scientific Inc. | ViroMed Biosafety Laboratories - Camden |
| Zanntek Scientific Inc. | Whatman Plc. | VIROPHARMA Inc. |
| Zaxis Inc. | Wheaton Inc. | ViroStat Inc. |
| ZBL Inc. | Whit Corp. | Virotech International Inc. |
| Zebedee Corp. | White Eagle Toxicology Laboratories | VIROTECH System-Diagnostika GmbH |
| Zebra Technologies Corp. | White Knight Engineered Products | Virtek Vision International |
| Zeebac Inc. | White Mountain Imaging | VirTis Co. |
| Zeigler Bros. Inc. | White Swan-Meta | Virus Reference Lab Inc. |
| Zeiss GmbH | Whitehall-Robins Healthcare | Viscometers (UK) Ltd. |
| Zellweger Analytics Inc. MDA Scientific | Whitey Co. | ViscoSystems |
| Zeltex Inc. | Whiting and Davis Safety Div. of WDC Holdings Inc. | Viscotek Corp. |
| Zeneca Diagnostics | Whitney Products Inc. | Vishay BLH |
| Zeneca LifeScience Molecule | Whittaker Bioproducts Inc. | Visible Genetics Inc. |
| Zenon Environmental Inc. | Widgett Scientific Inc. | Visible Productions |
| Zeptogen Ltd. | Wien Laboratories Inc. | Vision BioSystems Ltd. |
| ZeptoMetrix Corporation | Wiener Laboratorios S.A.I.C. | Vision Engineering Ltd. |
| Zero Sigma | Wieslab AB | Vision Medical Services Inc. |
| Zes Zimmer | WIKA | Vision Research Graphics |
| Zeta Graphics Corp. | WIKA Alexander Wiegand GmbH & Co. KG | VISION RESEARCH INC |
| Zeta Pharmaceuticals Inc. | WIL Research Laboratories Inc. | Vision Ten Inc. |
| Zeta-Meter Inc. | Wildlife Supply Co. | Visions Sciences Inc. |
| Zetron Inc. | Wilex AG | Visitech Systems |
| Zeus Industrial Products Inc. | Wilhelm Sauer GmbH & Co KG | Vista Biologicals Corp. |
| Zeus Scientific Inc. | Wilhelm Werner GmbH | Vista Scientific Corp. |
| Zewa AG | Wilkens-Anderson Co. (WACO) | VistaLab Technologies |
| Ziamatic Corporation | Wilks Enterprise Inc. | Visual Matrix Corp. |
| Zico Ziamatic Corp. | William B. Johnson and Associates | Visual Numerics Inc. |
| Ziegler Medical Equipment Group Inc. | Williams & Wilkins | Visualize Inc. |
| Zinsser Analytic GmbH | Williams Learning Network | Vita Needle Co. |
| Zirchrom Separations Inc. | Williamsom Corp. | Vitagen Laboratories Inc. |
| ZI-TECH Instrument Corp. | Williamstone Enterprises Inc. | Vital Image Technology Inc. |
| Zivic Laboratories Inc. | Willick Engineering Company Inc. | Vital Images Inc. |
| Zoion Research Inc. | WILLY VOGEL | Vital Pharma Inc. |
| Zoll Medical Corp. | Willson | Vital Products & Lakeland Biomedicaal |
| Zonagen Inc. | Willstein Software Inc. | Vital Products Inc. |
| Zonic Corp. | Willtek Communications GmbH | Vital Scientific N.V. |
| Zontec Inc. | Wilmad Glass Co. | VITA-TECH |
| ZSI Manufacturing | Wilnor Healthcare AB | VIT-LAB GmbH |
| Zullig AG | Wilshire Contamination Control | ViTrax |
| Zumatrix Inc. | Wilson Bode Center Inc. | Vitro Diagnostics Inc. |
| Zwiebel SA | Wilson Cook Medical Inc. | Vitro Technology Ltd. |
| Zygo Corp. | Wilsonart International | VitroCom Inc. |
| Zylux Corp. | Winfield Medical | Vitron Inc. |
| Zymark Corp. | Winkworth Machinery Ltd. | Viva Science |
| Zymed Laboratories Inc. | Winmark International Inc. | VIZAPLASTIK |
| ZymeTx Inc. | Winston Co. | VJ Technologies |
| Zymo Research | WinSystems Inc. | VMIC |
| Zynaxis Cell sciences Inc. | Wintion AG plc | VMRD Inc. |
| Zyvex LLC. | Wire Cloth Manufacturers Inc. | Vogel |
| | Wisa Precision Pumps | VOGELBUSCH GmbH |
| | Wisconsin Oven Distributors Inc. | Volpi AG |
| | Wissenschaftliche Geratebau Dr.Ing. Herbert Knauer GmbH | Volpi Manufacturing USA |
| | Wissenschaftliche-Technische Werkstatten GmbH | Volu-Sol |
| | Wistar Institute | Von Birckhahn International Trading GmbH (LA FONTAINE) |
| | Witco | Vorhies Technologies Inc. |
| | Witeg Labortechnik GmbH | Voss Ltd. |
| | Witz Scientific Inc. | Voxel |
| | Wm. A. Lemberger Co. Inc. | VR Precision Optic Group |
| | WMA Airsense Analysentechnik GmbH | VSW Ltd. |
| | Wolf X-Ray Corp. | VTEK |
| | Wolff Industries | VTI Corp. |
| | Wolfram Research Inc. | Vulcan Electric Co. |
| | Wolsk Alarms Ltd. | VWR Scientific Products |
| | Woodrow Engineering Co. | VYDAC/The Separations Group Inc. |
| | Woods Glass Inc. | Vysis Inc. |
| | Woods Hole Educational Association | |
| | Worklon | |
| | Workplace Systems Inc. | |
| | Workrite Uniform Company | |
| | world Courier Inc. | |
| | World Precision Instruments Inc. | |
| | World Properties Inc. | |
| | WorldWide Analytical Systems Inc. | |
| | Worldwide Medical Corp. | |
| | Worthington Biochemical Corp. | |
| | WPA (Walden Precision Apparatus) Ltd. | |
| | Wright Laboratories | |
| | Wright Line | |
| | Wright Scientific | |
| | WSC Specialty Gases & Cryogenics | |
| | WTB Binder Labortechnik GmbH | |
| | WTT Inc. | |
| | WTW GmbH | |
| | Wuestec Medical Inc. | |
| | Wyatt Technology Corp. | |
| | Wyeth-Ayerst Laboratories | |
| | Wyoming Analytical Laboratories | |