Applied Research Laboratories/Fisons Instruments Berghof GmbH Bio-Rad Laboratories Inc. Buck Scientific Inc. Burkard Instrumente AG Carl Zeiss Jena GmbH Curtin Matheson Scientific Inc. DYNA LABS Inc. Foxboro Co. GBC Scientific Equipment Pty. Ltd. Genie Scientific Inc. Harrick Scientific Corp. Hellma Cells Inc. Hellma GmbH & Co. Hewlett-Packard Co. Hilger Analytical Ltd. Hitachi Instruments Inc. International Crystal Laboratories International Equipment Trading Ltd. Knauer GmbH Kontron Instruments SpA Laborgerateborse GmbH Handelsgesellschaft fur Analysensysteme mbH Leeman Labs Inc. LINC Quantum Analytics Matthey Catalogue Sales Mattson Instruments Ltd. McPherson Div. of S.I. Corp. Medical Air Technology Ltd. Mid American Analytical NSG Precision Cells Inc. Perkin-Elmer Corp. Perstorp Analytical Inc. Photometrics Ltd. Precision Instrumentation Ltd. Div of Precision Glass Blowing Preiser Scientific Inc. SAFAS S.A. Secomam S.A. Sedico SELMI TM Shimadzu Scientific Instruments Inc. Spectra-Tech Inc. Spectron Corp. ST2 Service Technologies Inc. Terumo Medical Corp. Thermo Jarrell Ash Corp. Thomas Scientific Unicam Analytical Systems Div. of Analytical Technology Inc. Varian Analytical Instruments