Ronald W. McKenzie

TIC Holdings, Inc. provides industrial construction and management services. It offers industrial construction services to clients across the U.S. through regional operations. The company was founded in 1974 and is headquartered in Englewood, CO.

Western Summit Constructors, Inc. constructs water and wastewater treatment facilities. It designs and builds municipal, industrial water, wastewater, and water storage facilities in the US. The company was founded in 1981 and is headquartered in Englewood, CO.

Shimmick Construction Co., Inc. engages in the provision of general construction, construction management and design-build services to federal, state, and local public agencies and private customers in California and the Western United States. It operates through the Construction Projects and Construction Materials segments. The company was founded by John C. Shimmick and Mike Strandberg in 1936 and is headquartered in Irvine, CA.