Biotech CompaniesAmbion
Amersham
Amgen
Bio-Rad
Clontech
Electron Microscopy Sciences
Fisher Scientific
Gibco/LifeTechnologies/Invitrogen
Jackson Immuno Research
Molecular Probes
National Diagnostics
Pharmacia
Polysciences
Promega
Qiagen
Roche depot @ Duke
Roche Home
Sigma-Aldrich
Upstate Biotechnology
VWR
Zymed