ㆍW&T Avery Ltd.
ㆍW.A. Hammond Drierite Co.
ㆍW.B Saunsers Company
ㆍW.H. Freeman and Co.
ㆍW.H.E.Process Technology Group
ㆍW.K. Hall Metabolic Evaluation and
  Research Laboratory
ㆍW.L Gore & Associates Inc.
ㆍW.R. Grace Co.
ㆍW.S. Tyler Co.
ㆍW.Steenback
ㆍW.W. Norton and Co.
ㆍWA Technology Ltd.
ㆍWacker-Chemie GmbH
ㆍWadsworth Publishing Co.
ㆍWagner Co.
ㆍWaikato DNA Sequencing Facility
ㆍWaitaki International Biosciences
ㆍWakefield Precision Optics Inc.
ㆍWako Pure Chemical Industries Ltd.
ㆍWAL Inc. (Wyoming Analytical
  Laboratories Inc.)
ㆍWalchem Corp.
ㆍWaldemar Knittel Glasbearbeitungs GmbH
  & Co. KG
ㆍWaldner Laboreinrichtungen GmbH & Co.
ㆍWale Apparatus Co.
ㆍWalgene R&D Laboratories
ㆍWalker Laboratories Ltd.
ㆍWalker Scientific Inc.
ㆍWalker Stainless Equipment Co.
ㆍWallac Oy
ㆍWallace Computer Services
ㆍWallaceville Animal Research CTR.
ㆍWaller Brothers Stone Co.
ㆍWall-Lenk Corp.
ㆍWallok Engeering Co. Ltd.
ㆍWalsh Automation Inc.
ㆍWalter Graf & Co. GmbH
ㆍWalter Kidde Company
ㆍWalter Stern Inc.
ㆍWaltron Ltd.
ㆍWalu Labortechnik GmbH
ㆍWampole Laboratories Inc.
ㆍWard Scientific Ltd.
ㆍWard Systems Group Inc.
ㆍWard's Natural Science Establishment
  Inc.
ㆍWaring Products Inc.
ㆍWarner Instrument Corporation
ㆍWarner-Jenkinson
ㆍWarner-Lambert Co.
ㆍWarson Group Inc.
ㆍWashington Biotechnology Inc.
ㆍWasson-ECE Instrumentation Inc.
ㆍWatanabe Keike Mfg. Co. Ltd.
ㆍWater Saver Faucet Co.
ㆍWater Services Corp.
ㆍWater Treatment Plant/Laboratory
ㆍWater-Jel Technologies
ㆍWaterloo Maple Inc.
ㆍWaters Corp.
ㆍWaterSaver Faucet Co.
ㆍWatlow Electric Manufacturing Co.
ㆍWatson Biotechnology Co. Ltd.
ㆍWatson Foods Company Inc.
ㆍWatson-Marlow Inc./Bredel Pumps
ㆍWave Biotech LLC
ㆍWaveFront Sciences Inc.
ㆍWavefunction Inc.
ㆍWBAG Resources Inc.
ㆍWCB/McGraw-Hill
ㆍWDC Holdings Inc. (Whiting and Davis
  Safety)
ㆍWearwell Tennessee Mat Company Inc.
ㆍWeatheby Health Care
ㆍWeatherby/Nasco Inc.
ㆍWebber Manufacturing Co. Inc.
ㆍWeber Scientific
ㆍWeber Scientific International Ltd.
ㆍWebGenetics
ㆍWebOligos.com
ㆍWeck Laboratories Inc.
ㆍWedgewood Technology Inc.
ㆍWeinbrenner Shoe Co.
ㆍWeiss Associates
ㆍWeiss Environmental Technology Inc.
ㆍWeiss Klimatechnik GmbH
ㆍWeiss Research Inc.
ㆍWeksler Instruments Corp.
ㆍWelch Allyn
ㆍWelch Thomas Vacuum Ind.
ㆍWelch Vacuum
ㆍWells Lamont Industry Group
ㆍWells-Lamont Technologies Inc.
ㆍWenzel Instruments AG
ㆍWerther International Inc.
ㆍWescan Instruments Inc.
ㆍWESCO Western Scientific Co. Inc.
ㆍWescor Inc.
ㆍWessington Cryogenics Ltd.
ㆍWest Chester Marketing
ㆍWest Coast Analytical Service Inc.
ㆍWest Coast Pathology Laboratory
  (WCPL)
ㆍWest Coast Research Corp.
ㆍWest Company
ㆍWest L.A. Microscope Co.

ㆍWest Publishing Co.
ㆍWestco Scientific Instruments
ㆍWestern Aeromedical Consortium
ㆍWestern Analytical Products Inc.
ㆍWestern Chemical Research
ㆍWestern Enterprises
ㆍWestern Graphtec Inc.
ㆍWestern States Machine Company
ㆍWestern States Plasma
ㆍWestex Inc.
ㆍWestfalia Separator Inc.
ㆍWesTgard Quality Corp.
ㆍWesting Software Inc.
ㆍWestover Scientific Inc.
ㆍWestprime Systems
ㆍWestvaco Corp.
ㆍWH Brady
ㆍWhale Scientific Inc.
ㆍWhatman Plc.
ㆍWheaton Inc.
ㆍWhit Corp.
ㆍWhite Eagle Toxicology Laboratories
ㆍWhite Knight Engineered Products
ㆍWhite Mountain Imaging
ㆍWhite Swan-Meta
ㆍWhitehall-Robins Healthcare
ㆍWhitey Co.
ㆍWhiting and Davis Safety Div. of WDC
  Holdings Inc.
ㆍWhitney Products Inc.
ㆍWhittaker Bioproducts Inc.
ㆍWidgett Scientific Inc.
ㆍWien Laboratories Inc.
ㆍWiener Laboratorios S.A.I.C.
ㆍWieslab AB
ㆍWIKA
ㆍWIKA Alexander Wiegand GmbH
  & Co. KG
ㆍWIL Research Laboratories Inc.
ㆍWildlife Supply Co.
ㆍWilex AG
ㆍWilhelm Sauer GmbH & Co KG
ㆍWilhelm Werner GmbH
ㆍWilkens-Anderson Co. (WACO)
ㆍWilks Enterprise Inc.
ㆍWilliam B. Johnson and Associates
ㆍWilliams & Wilkins
ㆍWilliams Learning Network
ㆍWilliamsom Corp.
ㆍWilliamstone Enterprises Inc.
ㆍWillick Engineering Company Inc.
ㆍWILLY VOGEL
ㆍWillson
ㆍWillstein Software Inc.
ㆍWilltek Communications GmbH
ㆍWilmad Glass Co.
ㆍWilnor Healthcare AB
ㆍWilshire Contamination Control
ㆍWilson Bode Center Inc.
ㆍWilson Cook Medical Inc.
ㆍWilsonart International
ㆍWinfield Medical
ㆍWinkworth Machinery Ltd.
ㆍWinmark International Inc.
ㆍWinston Co.
ㆍWinSystems Inc.
ㆍWintion AG plc
ㆍWire Cloth Manufacturers Inc.
ㆍWisa Precision Pumps
ㆍWisconsin Oven Distributors Inc.
ㆍWissenschaftliche Geratebau Dr.Ing.
  Herbert Knauer GmbH
ㆍWissenschaftliche-Technische
  Werkstatten GmbH
ㆍWistar Institute
ㆍWitco
ㆍWiteg Labortechnik GmbH
ㆍWitz Scientific Inc.
ㆍWm. A. Lemberger Co. Inc.
ㆍWMA Airsense Analysentechnik GmbH
ㆍWolf X-Ray Corp.
ㆍWolff Industries
ㆍWolfram Research Inc.
ㆍWolsk Alarms Ltd.
ㆍWoodrow Engineering Co.
ㆍWoods Glass Inc.
ㆍWoods Hole Educational Association
ㆍWorklon
ㆍWorkplace Systems Inc.
ㆍWorkrite Uniform Company
ㆍworld Courier Inc.
ㆍWorld Precision Instruments Inc.
ㆍWorld Properties Inc.
ㆍWorldWide Analytical Systems Inc.
ㆍWorldwide Medical Corp.
ㆍWorthington Biochemical Corp.
ㆍWPA (Walden Precision Apparatus) Ltd.
ㆍWright Laboratories
ㆍWright Line
ㆍWright Scientific
ㆍWSC Specialty Gases & Cryogenics
ㆍWTB Binder Labortechnik GmbH
ㆍWTT Inc.
ㆍWTW GmbH
ㆍWuestec Medical Inc.
ㆍWyatt Technology Corp.
ㆍWyeth-Ayerst Laboratories
ㆍWyoming Analytical Laboratories