AW Farrell & Son, doing business as RoofUSA, has been providing roofing maintenance and contracting services for more than 55 years. It is one of the largest, privately held roofing companies in the United States and has over 1,500 employees and nearly 50 branch offices. The company serves various hotels, sports facilities, manufacturing units and public education sites. AW Farrell & Son provides preventive maintenance programs that include annual inspections, initial survey analysis and remedial upgrade maintenance. Its team of construction professionals offers roof evaluation, design and value engineering services. The company additionally specializes in union and nonunion projects and provides subterranean waterproofing, traffic coating, and tile and slate roofing services, as well as thermoplastic, inverted, structural metal and bitumen roof assemblies.