including:

Advanced Separation Technologies Inc. (Astec),  Agilent Technologies Inc.,  Agilent Technologies Sales & Services GmbH & Co. KG,  Alcott Chromatography Inc.,  Alltech GmbH,  Alltech Grom GmbH,  amchro GmbH,  AnaConDa GmbH,  Analytical Sales and Services, Inc.,  Antec Leyden BV,  Antek Instruments GmbH ,  Antek Instruments, Inc.,  Applied Biosystems,  Applied Research Europe GmbH,  Arno Hartmann Maschinen- & Anlagenbau,  ATAS GL International B.V.,  Axxiom Chromatography, Inc,  Beckman Coulter GmbH,  Besta-Technik für Chromatographie GmbH,  BIA Separations d.o.o.,  Bio-Rad Laboratories,  Bioscan,  Bischoff Analysentechnik und -geräte GmbH ,  Bodman Industries,  Büchi Labortechnik AG,  Buck Scientific,  Cecil Instruments Ltd.,  CHIRALIZER™ SERVICES, L.L.C.,  Chromsystems Instruments & Chemicals GmbH,  ChromTech Ltd.,  Conchrom Trenntechniken GmbH & Co. KG,  CS-Chromatographie Service GmbH,  DANI Instruments S.p.A.,  Dionex Corporation,  Dr. Maisch HPLC GmbH,  Dr. Wolfgang Kernchen GmbH,  D-Star Instruments Inc.,  DURATEC Analysentechnik GmbH,  Ercatech AG,  ESA Laboratories, Inc.,  Fisher Scientific GmbH,  Fisher Scientific International Inc.,  FLOM Co., Ltd.,  Flux Instruments AG,  GAT Gamma Analysentechnik GmbH,  Gilson, Inc.,  Groton Biosystems,  G&T Septech AS,  Higgins Analytical, Inc.,  Hitachi High Technologies America, Inc.,  HPLC Technology Company Ltd,  IBZ Messtechnik GMBH,  ict Handels-GmbH,  Infochroma AG,  IRIS Technologies, L.L.C.,  Jasco Labor und Datentechnik GmbH,  JASCO (UK) Ltd,  Klaus Ziemer GmbH,  Lab Connections,  LABOMATIC Instruments AG,  Lazar Research Laboratories, Inc.,  Macherey-Nagel GmbH & Co.KG,  MAC-MOD Analytical, Inc.,  McPherson, Inc.,  MedChrom GmbH,  Michrom Bioresources, Inc.,  MicroSolv Technology Corporation,  MZ-Analysentechnik GmbH,  New Analytical Systems Ltd.,  Optimize Technologies, Inc.,  Pall Corporation,  PerkinElmer, Inc.,  PerkinElmer LAS (Germany) GmbH,  PerkinElmer Life and Analytical Sciences, Inc.,  Phenomenex Inc.,  Polymer Laboratories Ltd,  Precision Detectors,  Queen Screw Manufacturing Inc.,  Raytest Isotopenmessgeräte GmbH,  RECIPE Chemicals + Instruments GmbH,  Regis Technologies, Inc.,  Restek GmbH ,  Rheodyne LLC,  SCAT Europe GmbH,  Scientific Instrument Services, Inc.,  Scintco,  SCPA Software für Chromatographie und Prozessanalytik GmbH,  SEDERE Sa.,  Selerity Technologies, Inc.,  Sepiatec GmbH,  SEPSERV Separation Service Berlin Vertriebsgesellschaft Dr. Eppert & Co,  SGE, Incorporated,  Shimadzu Europa GmbH,  Shimadzu Scientific Instruments, Inc.,  Showa Denko K.K. (SDK),  Sonntek, Inc.,  SRI Instrument,  Sykam Chromatographie Vertriebs GmbH,  Syntrex Roth und Menyes GbR,  TECHLAB GmbH,  TechniKrom, Inc.,  TESSEK Ltd.Prague,  Thermo Electron GmbH,  Upchurch Scientific Inc., a Division of Scivex,  VDS Optilab GmbH,  W. R. Grace & Co.-Conn.,  Waters Corporation,  Whatman plc.,  Wyatt Technology Europe GmbH,  YMC Europe GmbH,  ZirChrom Separations, Inc.