Designs and produces air vents, downjets, and ceiling diffusers for heating and cooling.

Based in Wixom, Michigan. Services customers throughout the United States providing turnkey solutions to a wide range of contracting needs.For more than twenty-five years, Underground Contractors Inc. has grown continuously to become a leader in the underground and aerial utility contracting industry. Headquartered in Wixom, Michigan, UCI services customers throughout the United States providing turnkey solutions to a wide range of contracting needs. Our commitment to quality and excellence has earned us the reputation as the premier company in the industry for customer satisfaction.

Provides engineering and construction services in the areas of pipeline engineering, corrosion engineering, pipeline rehabilitation, horizontal drilling, and fiber network construction.