John C. Grimberg Co., Inc. is a family-owned and operated general and mechanical contracting firm that has been serving the Mid-Atlantic region since its establishment in 1951. With headquarters in the Washington, DC metropolitan area, Grimberg is recognized as one of the largest mechanical contractors in the region, boasting a strong record of successfully completing high-profile projects for federal, state, and private clients. The company has built a robust portfolio, working on notable contracts with institutions like the Navy, FBI, General Services Administration, and National Gallery of Art.
Grimberg is adept in managing Indefinite Quantity (IDIQ) contracts, which allows for flexibility and efficiency in project handling. Its experienced management team is skilled in executing takeover projects for bonding agencies, ensuring a seamless transition and continued progress on existing projects. Additionally, John C. Grimberg Co. is deeply committed to sustainable construction practices, leveraging its expertise in Leadership in Energy and Environmental Design (LEED) to deliver high-performance facilities that meet stringent green building standards.
The company has received numerous accolades for its exemplary work, including awards from the Associated General Contractors (AGC) recognizing its excellence in various construction categories. Recent honors range from awards for innovative use of Building Information Modeling (BIM) to notable renovations and restorations that enhance historical sites and modern facilities alike. As it approaches its seventh decade of service, John C. Grimberg Co. continues to grow, maintaining a reputation for quality, reliability, and a commitment to community and environmental stewardship.
