Hencken & Gaines

Since 1951, John C. Grimberg Company Inc. has been a general and mechanical contractor serving the Washington D.C. metropolitan area. The firm contributes to various projects, such as design build, construction, renovation and task order IDIQ contracts. Its list of clients includes National Archives, The White House, U. S. Army Corps of Engineers, National Institute of Standards & Technology, Pentagon, FBI, Department of Energy and Washington Suburban Sanitary Commission, to name a few. John C. Grimberg Company Inc. is associated with the Associated General Contractors (AGC), Mechanical Contractors Associations (MCA), CFMA (Construction Financial Management Association and Greater Washington Board of Trade.

R F Warder Inc in White Marsh specializes in providing top-notch commercial HVAC services and mechanical HVAC maintenance in the Baltimore area. Their expert team also offers comprehensive solutions for commercial plumbing systems, serving clients throughout Maryland, MD. Generated from their website's infomation

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.