Powell Industries, Inc. engages in the development, design, manufacture, and provision of services of custom-engineered products and systems. Its products include integrated power control room substation, custom-engineered modules, electrical houses, traditional and arc-resistant distribution switchgear and control gear, medium-voltage circuit breakers, monitoring and control communications systems, motor control centers, and bus duct systems. Read More The company was founded by William E. Powell in 1947 and is headquartered in Houston, TX.