Over 50 years, Hamann Construction has been building hundreds of concrete tilt-up and block building projects ranging in size from 5,000 square feet to over 250,000 square feet, totaling in excess of 50,000,000 square feet. Based in El Cajon, Calif., it specializes in "Team Concept Construction," where the architect, engineer, contractor and owner work together closely to create a tailored cost-effective product. Some of the projects the company worked on include custom factories, distribution centers, retail stores, office buildings, multi-tenant industrial complexes, cold storage and green buildings.

Website: hamannco.com

Phone: (619) 440-7424

Cross Streets: Near the intersection of Pioneer Way and Fesler St