Marelich Mechanical is a wholly owned subsidiary of EMCOR Group. EMCOR is one of the world's leading providers of mechanical and electrical construction and facilities services, which includes planning, consulting, and operations and maintenance. Founded in 1932, Marelich Mechanical offers professional construction services geared to the size and complexity of each project. The company works in partnership with its clients to build heating, ventilation and air-conditioning projects; central plants; wastewater treatment facilities; and high-purity process systems. Marelich Mechanical is headquartered in Hayward, Calif.