Alterman is a leading electrical contractor in San Antonio, Austin, and the surrounding areas, known for their quality workmanship and dedication. With a history that dates back to 1923, Alterman has established itself as one of the oldest and largest electrical contractors in San Antonio. Their expertise lies in electrical construction and pre-construction management, but they also offer design and installation services for voice and data communication systems, audio/visual systems, security and surveillance systems, and access controls.

Additionally, Alterman provides electrical services, preventive maintenance, and 24/7/365 emergency response for critical systems. Safety is at the core of their operations, and they have proactive programs and trainings in place to ensure the safety and efficiency of their employees. Alterman is also committed to giving back to the community through volunteer programs and making a positive difference in the lives of others.

With their superior installations and lasting results, Alterman is wired for excellence