Alconox Inc. AMSCO Scientific Baker Co. Inc. Bel-Art Products Bellco Glass Inc. Biocientifica S.A. Curtin Matheson Scientific Inc. E.S.I. Flufrance Fine Science Tools Inc. Firma E. Becker & Co. GmbH Flow Sciences Inc. Genetic Research Instrumentation Ltd. Germfree Laboratories Inc. Harvard Apparatus Inc. IITC Life Science Inc. Immunological Associates Generic Immunologicals Div. Jencons Scientific Ltd. Kleinfeld GmbH & Co. Labortechnik Nordtest Srl NuAire Inc. Nuve San. Mal. Im. ve Tic. A.S. Panlab S.L. Plas-Labs Inc. Popper & Sons Inc. Quantimetrix Corp. Schlueter Instruments Corp. Semat Technical (UK) Ltd. SERBIO SPIRAL Sarl Thomas Scientific Unifab Corp. United States Biochemical Corp. Vangard International Inc. VWR Scientific Products Whale Scientific Inc.