A&D Co. Ltd. Alliance Instruments Ametek Inc. Process & Analytical Instruments Div. Applikon Analyzers Inc. Arizona Instrument Corp. (AZI) BDH Ltd. Bester B.V. Brinkmann Instruments Inc. C.W. Brabender Instruments Inc. CEM Corp. Crescent Chemical Co. Inc. CSC Scientific Co. Inc. Denver Instrument Co. Ltd. EG&G Chandler Engineering Foss Tecator AB Gann Mess-And-Regeltechnik GmbH Gibertini Elettronica Srl Hiden Analytical Ltd. Innovative Technology Inc. Kimble/Kontes Kyoto Electronics Mfg. Co. Ltd. International Div. Labinco B.V. Lab-Line Instruments Inc. LECO Corp. Metrohm Ltd. Mettler-Toledo GmbH Milestone Srl Mitsubishi Kasei Corp. Electronic Materials & Instruments Div. New Brunswick Scientific Co. Inc. Ohaus Corp. Omnimark Instrument Corp. Orion Research Inc. Perstorp Analytical Inc. Perten Instruments NA Inc. Photovolt Questron Corp. Riedel-de Haen AG Rotronic AG SAES Getters SpA Sartorius AG SBS Instruments S.A. Scaltec Instruments GmbH Seradyn Inc. Servomex Co. Snijders Scientific B.V. SODEXIM S.A. Teledyne Brown Engineering Analytical Instruments Thomas Scientific VWR Scientific Products Wescor Inc.