Alpine Services

Operational since 1944, Allied Contractors Inc. is a construction company specialized in commercial, industrial and public works contracts. Based in Baltimore, Md., the firm has been involved in variety of projects, including bridges, schools, water treatment plants, sewage treatment plants, pumping stations and dams to name a few. Additionally, the projects include highways, retaining walls, utilities, underpasses and all types of commercial buildings. Allied Contractors Inc. offers metal/wood fabrication abilities, such as welders, presses, drill presses and band saws. The firm is a member of the Associated Builders and Contractors, Inc., the Engineering Society of Baltimore and the Society of American Military Engineers.

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.