Affymetrix (USB)
Agilent (Stratagene)
BD Biosciences (Pharmingen)
Electron Microscopy Science (EMS)
Eppendorf (New Brunswick Scientific)
GE Life Sciences (Amersham)
Integrated DNA Technologies (IDT)
MP Biomedicals (QBiogene, ICN)
New England Biolabs(NEB)
