Gainesville Plumbing

Since 1987, Dean Mechanical Contractors Inc. has been specializing in heating, ventilation and air conditioning (HVAC) systems. Based in Manassas, Va., the firm has expertise to perform all phases of commercial/industrial HVAC and critical power installations for industrial and high-tech equipment. It offers an array of services, including design build, installation of HVAC, plumbing and electrical systems, critical power generation, tenant fit out, masonry/concrete work, asphalt repair, roofing, water proofing, painting and snow removal. Dean Mechanical Contractors Inc. serves a host of clients, such as Pentagon Renovation Group, ManTech International, Lee Technologies, Liebert Global Services, Verizon Federal and Microsoft.

TMS Supplies, located in Manassas Park, VA, has been family owned and operated since 1998, specializing in obsolete and hard-to-find materials for various industries, including plumbing, electrical, and general construction. The company prides itself on providing premium industrial supplies that enhance the quality of construction, fabrication, and repair work. Generated from the website

Commercial Express HVAC provides heating, ventilation and air conditioning solutions to facility owners, managers and operators. Its services include preventive maintenance, budget analysis, energy and comfort-improving retrofits, 24-hour, seven-days a week emergency repair services, equipment replacement, design and build installations, and indoor air quality diagnosis. It also offers mechanical, electrical and structural engineering and permits, equipment rigging, roofing, power wiring, gas piping, ductwork, temperature control systems, equipment startup and commissioning, and follow-up preventive maintenance services. The company s technicians receive industry training, and the company has well-stocked trucks, supported with state-of-the-art tools and technologies. The company s technicians service all manufacturers brands and types of equipment, including package rooftop units, air-cooled split systems, water-cooled heat pumps, gas-fired equipment, chillers, boilers, pumps, and computer room air conditioning units. Commercial Express HVAC is located in Chantilly, Va.