P.O. Box 700490
San Antonio, TX 78270-0490

Alterman is San Antonio's leading contractor for electrical construction and renovation, 24-hour emergency and routine service, preventive maintenance, voice and data communications, access control systems, and video surveillance systems.  Our success can be attributed to an exceptional staff of electricians, technicians, supervisors, managers, and support personnel. 
An employee-owned company, Alterman has served commercial and industrial clients in San Antonio and surrounding areas in South Texas since 1923.

Capabilities extend to design/build and fast -track construction, value engineering recommendations, and budget estimates.  Alterman's experience includes clean rooms, hospitals, industrial and manufacturing plants, military installations, hotel and convention facilities, retail centers, recreational developments such as sports arenas and amusement parks and low to high-rise office buildings.  Whether performing a complex, multi-million dollar construction or a routine service call, pride and commitment to excellence ensure each customer receives quality, dependability, professional service, and prompt solutions on every project.