Agilent Technologies
Alcatel Vacuum Technology
Applied Biosystems
Applied Kilovolts Ltd.
Baseline Technology Ltd.
BOC Edwards
Brandenburg
Bruker Daltonics Inc
CPI International
El-Mul Technoligies Ltd
Extorr
F.G. Finneran
Ferran Scientific Inc.
Hiden Analytical Ltd
Hitachi High Technologies America
Ionicon Analytik GmbH
IonSpec
Isomass Scientific
Jeol
Kore Technology Ltd
Kratos Analytical
LC Services Ltd
Leco Corporation
MA Tech Services, Inc.
MasCom
Mass Spec Solution's
Mass Spec UK
Mass Spectrometry International Limited (MSI)
Nu Instruments
PerkinElmer Life Sciences
Sercon Ltd
Sigma-Aldrich
SpectroServ Limited
Waters Corporation