Founded in 1971, DEN Management Company is a full-service mechanical contracting firm. It provides installation services for underground water, sanitary, storm and natural gas systems. The company also offers plumbing systems for hotels, malls and office buildings. DEN Management Company provides pipe fabrication and installation services. In addition, it offers installation services for heating, ventilation and air conditioning systems. The company provides fabrication services for floor drain covers, special hangers, cooper roofs and aluminum materials racks. DEN Management Company offers building automation systems. It also provides preventive maintenance and monitoring services. The company offers certified and fusion welding services for various steel and plastic piping applications. DEN Management Company also provides in-house safety training services and Computer-aided drafting systems.