ABOUT US Interstate Construction is a nationally known Sacramento, California based industrial contractor specializing in electrical and mechanical utility systems. For more than 30 years the industrial marketplace has looked to Interstate Construction to meet its most challenging construction needs. We offer a full range of capabilities in electrical, mechanical and general engineering construction. Our extensive client list includes industrial, military, utility and commercial contracts. Over the years we have built a reputation of excellence that has given us a competitive edge within the industry. Cost effective, quality construction, completed with minimal disruption of our client's day-to- day operations, is the hallmark of our firm.