A General Contractor Serving the Washington, DC Metropolitan Area Since 1951
About Us News Awards

A family-owned and operated company, the John C. Grimberg Co. has served the Mid-Atlantic region providing complete general and mechanical contractor services to federal, state, and private offices since its founding in 1951.

The Department of the Navy (NAVFAC Washington) recently awarded the John C. Grimberg Co. a $13.1 million contract to renovate its U.S. Naval Academy Historic Halligan Hall, Annapolis, Maryland.

The John C. Grimberg Co. received the NAIOP Northern Virginia Award of Excellence for Best Building Repositioning Adaptive Re-Use for Bailey's Upper Elementary School for the Arts and Sciences in Falls Church, VA. more

A Unique Commitment to Green Construction

Via in-house Leadership in Energy and Environmental Design (LEED) construction expertise and a unique commitment to sustainable principles, the John C. Grimberg Co. specializes in delivering state-of-the-art, high-performance facilities and systems that meet and exceed LEED Green Building objectives.