What pharmaceutical company produces "metformin"?

Mallinckrodt Inc.,
675 McDonnell Blvd.
Hazelwood, MO 63042
Contact Details
Phone: (314) 654-2000

Teva Pharmaceuticals ,
1090 Horsham Rd. P.O.B. 1090, North Wales, PA 19454
Contact Details
Phone: (888) 838-2872

Mylan Inc.,
1500 Corporate Drive, Canonsburg, PA 15317
Contact Details
Phone: (724) 514-1800

Apotex Corp,
2400 North Commerce Parkway, Suite 400 Weston
Florida 33326
Contact Details
Phone: (800) 706-5575

Caraco Pharmaceutical Laboratories,
1150 Elijah McCoy Drive, Detroit, MI 48202
Contact Details
Phone: (800) 818-4555

Watson Pharmaceuticals, Inc. ,
311 Bonnie Circle
Corona, California 92880
Contact Details
Phone: (951) 493-5300

Sandoz Inc.,
506 Carnegie Center Drive,
Suite 400
Princeton, NJ 08540
Contact Details
Phone: (800) 525-8747