Mead O'Brien, 10800 Midwest Industrial Blvd, Saint Louis, MO 63132, US

Since 1907, Murphy Company has provided mechanical and industrial construction and engineering to clients throughout the United States. Murphy Company performs construction and engineering work in the industrial, commercial, municipal and institutional construction markets. With an annual revenue of nearly $175 million, Murphy Company was ranked the eighth-largest mechanical specialty contracting firm in the 2004 Engineering News-Record and the 22nd-largest mechanical contracting firm by the 2005 Contractor Annual Report on the Nation's Larger Mechanical Contracting Firms in the United States. The firm is licensed in more than 30 states and has performed work in 25 states. The firm is headquartered in St. Louis.