Here is a list of adhesive manufacturers for ASTM D2559 adhesives. These are phenol resorcinol adhesives that are used by glulam manufacturers. Epoxies are not used in glulam.

Georgia-Pacific Chemicals LLC
133 Peachtree Street NE
Atlanta, GA 30303
Phone: 404-652-4000
Website: http://www.gp-chemicals.com/Home

National Casein® Company Headquarters
601 W. 80th Street
Chicago, IL 60620
Phone: 773-846-7300
Fax: 773-487-5709
Email: contact@nationalcasein.com
Website: http://www.nationalcasein.com