Established in 1954, Sterling Crane is one of the largest crane rental supply companies in North America that holds an ISO 9002 certification. It is a member of Marmon Group and maintains more than 20 locations throughout the United States and Canada. The company offers crane rental, contract lifting, heavy hauling and millwrighting services. It provides a range of rough terrains, hydraulic trucks, crawlers and deck cranes of various makes, such as Kobelco, Manitowoc, Link-Belt, Liebherr, Demag and Terex. Sterling Crane offers lift planning, cost estimation and maintenance services. In addition, it offers cranes of brands, including Grove, Tdano, Krupp, Lorain, Broderson, Shuttlelift and Manitexthe. The company maintains one of its locations in Grand Junction, Colo.