United Crane and Rigging, established in 1968, provides crane rental and sales services. It specializes in trucking, heavy hauling, rigging, repair and maintenance and storage services. The company serves customers throughout the mid-Atlantic area and maintains a fleet of more than 100 cranes. It employs a staff of operators, drivers and mechanics who provide 24-hour emergency services. United Crane and Rigging s clients include Clark Concrete Contractors, Bechtel Telecommunications, Fru-Con Construction Corporation, Northstar Communications Group and Schnabel Foundations. It is a member of the Associated Builders and Contractors, Specialized Carriers & Rigging Association and Steel Erectors Association of America. United Crane and Rigging is located in Baltimore.