
Gerstel, Inc.

Gerstel, Inc.

Advion, Inc.

PerkinElmer, Inc.

SPEX CertiPrep

ZirChrom Separations, Inc.

Hitachi High Technologies America, Inc.

Shimadzu Scientific Instruments

Phenomenex

LEAP Technologies, Inc.

Knauer

Tosoh Bioscience LLC

Agilent Technologies Inc.

Beckman Coulter Life Sciences

AB SCIEX

Valco Instruments Co., Inc. (VICI)

Restek Corporation

Chem Service, Inc.

IDEX Health & Science

MicroLiter Analytical Supplies, Inc.

Gilson, Inc.

Waters Corporation

Analytical Sales & Services, Inc.

Milestone, Inc.

Pawling Engineered Products, Inc.

Spectrum Chemicals & Laboratory Products