Founded in 2002 by Paul Wilson, Andy Weir and Dottie Depfer, Superior Mechanical offers a range of plumbing and mechanical contracting services to property managers and the residents of Washington, D.C., and its surrounding areas. The company also serves customers in Montgomery, Howard, Baltimore, Anne Arundel, Frederick and Charles counties in Maryland. It additionally offers services to customers in Arlington, Alexandria, Loudon and Prince William counties in Virginia. The company provides a variety of installation and repair services for interior and exterior plumbing systems. It offers repair services for piping and gas distribution systems. The company provides drainage cleaning, faucet repair and grease trap replacement services. Superior Mechanical manages a staff of plumbers, equipment operators, managers and support personnel.