Agilent Technologies
Wilmington, DE USA
Alltech Associates Inc.
Deerfield, IL USA
  Amersham Bioscience
Corporation

Piscataway, NJ USA
Analytical Sales
& Service Inc.

Pompton Plains, NJ USA
 
Ansys Technologies Inc.
(now a part of Varian Inc.)
Applied Separations Inc.
Allentown, PA USA
  Biotage (Isolute Products)
Uppsala, Sweden
BD Biosciences
Bedford, MA USA
  Brinkmann Instruments Inc.
Westbury, NY USA
ChromTech AB
Stockholm, Sweden
  Cohesive Technologies Inc.
Franklin, MA USA
Diazem Corporation
Midland, MI USA
  Fisher Scientific International
Pittsburgh, PA USA
Harvard Bioscience Inc.
Holliston, MA USA
  Horizon Specialty Inc.
King of Prussia, PA USA

IRIS Technologies LLC
Lawrence, KS USA
  Macherey-Nagel Inc.
Easton, PA USA
Mallinckrodt Baker Inc.
Phillipsburg, NJ USA
  Merck KGaA
Darmstadt, Germany
Millipore Corporation
Bedford, MA USA
  Nalge Nunc International
Rochester, NY USA
Nest Group, Inc.
Southborough, MA USA
  Orochem Technologies Inc.
Westmont, IL USA
Pall Corporation Life Sciences
Ann Arbor, MI USA
  Phenomenex Inc.
Torrance, CA USA
Porvair Sciences Ltd.
Middlesex, United Kingdom
  Qiagen Inc.
Valencia, CA USA
SiliCycle Inc.
Quebec, Canada
  Spark Holland
Emmen, The Netherlands
Spectrum Laboratories Inc.
Rancho Dominguez, CA USA
  SPEware Corporation
San Pedro, CA USA
SPEX CertiPrep
Metuchen, NJ USA
  Supelco Inc.
Bellefonte, PA USA
3M Corporation
St. Paul, MN USA
  United Chemical
Technologies Inc.

Bristol, PA USA
VWR International
Chicago, IL USA
  Waters Corporation
Milford, MA USA
Whatman Inc.
Clifton, NJ USA