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.
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