HRGM Corporation offers a range of solar energy systems. It provides concrete restoration, roofing, waterproofing, site work and landscaping, and new construction and renovation services. The company offers plumbing, rough and finish carpentry, lead and asbestos abatement, historic building preservation and restoration, sheet metal and electrical work, and granite, marble and stone masonry services. HRGM Corporation has received the Washington Contractors Merit Award for new construction from the Association of General Contractors of Washington D.C. Its clients include Turner Construction, J.H. Ketcham Elementary School, J.O. Wilson Elementary School and North Michigan Park.