California's Largest Structural Precast Manufacturer



























For those of you interested in technical information, we have several resources available to you. Start with our FAQ, which can help with some of your basic questions. Request an Engineering Data Handbook for a catalog of our products. Or download our design details to begin incorporating HSP products into your designs.


FAQ
What is prestressed concrete? What is the difference between ordinary concrete and prestressed concrete? Click here to find the answers to this and many more questions in our Frequently Asked Questions list!
Engineering Data Handbook

Want more product information? Visit our products page, or click here to request an Engineering Data Handbook, filled with design information, approvals, specifications, and more!
Design Details

Ready to start designing with HSP products? Click here to download our design details!
Corporate Office
13131 Los Angeles Street
Irwindale, CA 91706
Phone: (626) 962-8751
Fax: (626) 962-8752
Northern California
3478 Buskirk Ave., Suite 1039
Pleasant Hill, CA 94523
Phone: (925) 746-7176
Fax: (925) 746-7173
San Diego Production
389 F. Hollister Street
San Diego, CA 92154
Phone: (619) 423-9030
Fax: (619) 423-2390
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