American Concrete Institute
P.O. Box 9094
Farmington Hills, MI 48333-9094
Phone: 248-848-3700   Fax: 248-848-3823

American Concrete Pavement Association
5420 Old Orchard Road
Skokie, IL 60077
Phone: 847-966-2270   Fax: 847-966-9970

International Grooving & Grinding Association
12573 Route 9W
West Coxsackie, NY 12192
Phone: 518-731-7450   Fax: 518-731-7490

Iowa Ready Mixed Concrete Association
380 S.E. Delaware, Suite A
Ankeny, IA 50021
Phone: 515-965-4575   Fax: 515-963-4010

National Concrete Pavement Technology Center
2711 South Loop Drive, Suite 4700
Ames, IA 50010-8664
Phone: 515-294-8103   Fax: 515-294-0467

National Ready Mixed Concrete Association
900 Spring Street
Silver Spring, MD 20910
Phone: 301-587-1400 or 1-888-84NRMCA
Fax: 301-585-4219

 Portland Cement Association
5420 Old Orchard Road
Skokie, IL 60070-1083
Phone: 847-966-6200   Fax: 847-966-8389