The following imprints are commonly used by drug manufacturers to identify their pills.
A&Z Pharmaceutical
Abbott Laboratories
Actavis Elizabeth
Actavis Totowa
Advance Pharmaceutical
Andrx (Watson)
Apotex
Barr
Boehringer Ingelheim
Caraco
Cephalon
Cobalt
Corepharma
Cypress
Dr Reddy’s
Duramed
Endo
Eon (Sandoz)
ESI Lederle Generics
Ethex
Forrest
Genpharm
Glenmark
Global
Greenstone
Guardian Drug Company
Inwood Labs (Forrest)
Ivax (Teva)
Knoll
KVK Tech
LNK International
Mallinckrodt
Mutual Pharmaceutical
Mylan
Par
Parke-Davis
PDK Labs
Prasco
Purepac (Actavis US)
Qualitest
Ranbaxy
Roche
Roxane
Sandoz
Sanofi-Synthelabo
Savage
Schering
Shire US Inc
Teva
Torrent Pharmaceuticals
Watson
Wellcome
West Ward
Wyeth