Assay Designs, Inc.
800 Technology Drive
Ann Arbor, MI 48108
(734) 668-6113
http://assaydesigns.com/

Cayman Chemical Company, Inc.
1180 E Ellsworth Road
Ann Arbor, MI 48108
(800) 364-9897
http://www.caymanchem.com/

Biomol Research Labs, Inc.
5120 Butler Pike
Plymouth Meeting, PA 19462
(612) 941-0430
http://www.biomol.com

Detroit R&D, Inc.
2727 Second Avenue, Suite 4113
Detroit, MI
(313) 961-1606
http://www.detroitrandd.com/

Neogen Corporation
628 Winchester Rd.
Lexington, Ky 40505
(859) 255-5532
http://www.neogen.com/

Oxford Biomedical Research, Inc.
2165 Avon Industrial Drive
Rochester Hills, MI 48309
(248) 852-8815
http://oxfordbiomed.com/