Amersham Pharmacia Biotech Beckman Coulter Corp. Bioanalytical Systems Inc. Biochrom Limited Biotech Instruments Ltd. Draw Scientific Ltd. Fisons Instruments Inc. Foss Tecator AB GBC Scientific Equipment Pty. Ltd. Genzomed Biotech Inc. Gilson S.A. Hewlett-Packard Co. Hitachi Instruments Inc. JASCO International Co. Ltd. Knauer GmbH Millipore Corp. Perkin-Elmer Corp. Perstorp Analytical Inc. Pickering Laboratories Inc. St. John Associates Inc. ThermoQuest Corp. Waters Corp.