ABI/Advanced Biotechnologies Inc. Accurate Chemical & Scientific Corp. Advanced Protein Products Ltd. Affinity BioReagents Inc. Amersham Pharmacia Biotech ANTIGENIX AMERICA Inc. Baxter Diagnostics Scientific Products Beckman Coulter Corp. Bender MedSystems Binding Site Inc. Biocell Laboratories Inc. Biocientifica S.A. Bio-Clin Inc. BIODESIGN International BioGenex Laboratories Biological Detection Systems Inc. Biomeda Corp. Biomedical Technologies Inc. Biometra GmbH BIOMOL Research Laboratories Inc. Bio-Rad Laboratories Inc. Bioreclamation Inc. Biosource International BIOSYS S.A. Biotecx Laboratories Inc. Biotest Diagnostics Corp. Birsner & Grob Biotech GmbH Boehringer Mannheim GmbH Buhlmann Laboratories AG CALBIOCHEM AG Calbiochem/Novabiochem International Cambridge Research Biochemicals Ltd. Cascade Biochem Ltd. Chemicon International Inc. Clontech Laboratories Inc. CMPS Cortex Biochem Inc. CYT Immune Sciences Inc. Dako A/S Diagast Laboratories Srl Diagnostica Stago DiaMed Inc. Dynal A/S Endogen Inc. Enzyme Research Laboratories Ltd. Eppendorf 5 Prime Inc. Ets. A. de BOURNONVILLE & Fils S.A. Eurogenetics Fitzgerald Industries International Inc. Fortron BIO Science Inc. Genego SpA Genzyme Diagnostics International Gibco BRL Div. of Life Technologies Inc. Guildhay Ltd. Harlan Bioproducts for Science Inc. HRP Inc. ICN Biochemicals Inc. IDS Ltd. Immuno Diagnostics Center Inc. Immunotech Inc. Immunsystem AB INCSTAR Corp. Instruchemie B.V. Intermountain Scientific/BioExpress International Enzymes Inc. IQ Products Jackson ImmunoResearch Laboratories Inc. Kirkegaard & Perry Laboratories LabLogix Inc. Laboratoires Eurobio Locus-Genex Oy Medix Biotech Inc. NBS Biologicals Neosystem S.A. New Brunswick Scientific Co. Inc. Nordic Immunological Laboratories Novagen Inc. Novo Nordisk BioLabs Inc. Oncogene Science Inc. Pel-Freez PeproTech Inc. Pierce Chemical Co. Polysciences Inc. Promega Corp. Protos ImmunoResearch R&D Systems Inc. Research Diagnostics Inc. Research Genetics Sanbio B.V. Biological Products Sera-Lab Ltd. JRH Biosciences Serono Diagnostic S.A. Serotec Ltd. Sigma Chemical Co. Sterogene Bioseparations Inc. Techland S.A. TOA Medical Electronics Co. Ltd. Transia Unisyn Technologies Inc. United States Biochemical Corp. Vector Laboratories Ltd. VWR Scientific Products Wako BioProducts Zymed Laboratories Inc.