National Precast Concrete Association - NPCA
Address: 1320 City Center Drive, Suite 200 Carmel, IN 46032
Phone Number: (800) 366-7731
Fax Number: (317) 571-0041

American Concrete Pipe Association - ACPA
Address: 8445 Freeport Parkway, Suite 350, Irving, TX 75063-2595
Phone Number: (972) 506-7216
Fax Number: (972) 506-7682

ASTM International
Address: 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA, 19428-2959
Phone Number: (877) 909-ASTM

North East Precast Concrete Association - NEPCA
Address: P.O. Box 6 East Taunton, MA 02718
Phone Number: (413) 533-4691
Email: info@nepca.com

Pacific Northwest Precast Concrete Association - PNPCA
Address: 147 SE 102nd Portland, OR 97216
Phone Number: (503) 257-9806
Fax Number: (503) 253-9172
Email: Info@pnpca.net

California Precast Concrete Association - CPCA
Address: P.O. Box 709 5946 Pleasant Grove Road Pleasant Grove, CA 95668
Phone Number: (916) 655-3050
Fax Number: (916) 655-1070
Email: cberry@jps.net