Squibb & Sons (now Bristol-Myers Squibb Company).Įn español: Descubrimiento y desarrollo de la penicilina Department of Agriculture National Center for Agricultural Utilization Research in Peoria, Ill., and the five American pharmaceutical companies that contributed to penicillin production research during WWII: Abbott Laboratories, Lederle Laboratories (now Pfizer, Inc.), Merck & Co., Inc., Chas. Designated November 19, 1999, at the Alexander Fleming Laboratory Museum in London, U.K.