Agilent Technologies, Bio-Rad Laboratories, F.Hoffmann-La-Roche, GE Healthcare, Thermo Fisher Scientific, Abcam, Bioline, Biotechrabbit, BioWORLD, Danaher, Epicentre, Hamilton, New England Biolabs, Omega Bio-tek, Promega, Qiagen, Sigma-Aldrich, Takara Bio