S.T. Japan
Schwabe (Dr. Willmar Schwabe Pharmaceuticals GmbH & Co. KG)
Scientific Software, Inc.
SciTegic (Accelrys)
Sigma Aldrich
Simulations Plus
Sirius Analytical Instruments
Specs
Spotfire®, Inc. (Tibco)
STOE
Supelco (Sigma Alrdich)
Symyx Technologies
Synthematix (Symyx)