Allcells
Ambion
Amersham Pharmacia Biotech
ATCC
BD (BD BioCoat, BD Clontech, Pharmingen, Transduction Laboratories)
BioRad
BioSource Int'l
Calbiochem
Cambrex
Cell Sciences
CLP
eBiosciences
Fisher Scientific
Invitrogen
ISC Bioexpress
Mabtech
MACS
Molecular Probes
New England Biolabs
Pierce
Promega
Prospec
R & D
RDI
Roche Molecular Biochemicals
Santa Cruz Biotechnology
Sigma
StemCell Technologies
Stratagene
UpState Biotech
USA Scientific
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