GHT is a leader in creating sustainable engineering solutions for base buildings and tenant spaces. We provide mechanical, electrical, and plumbing (MEP) engineering design, commissioning, building energy services, and real estate advisory services for new construction and renovations. Founded in 1965, we are one of the largest locally owned and headquartered MEP consultants in the Washington, DC metro area. GHT’s history includes serving as MEP engineers on celebrated places in Washington, DC – from storied classics such as the White House, Old Executive Office Building, and the Pentagon to new icons like 800 17th Street NW, the USGBC Headquarters, and Constitution Square. GHT has become a market leader through our continued focus on innovative design and reputation as a trusted advisor to the development community. We have proven our ability to bring our clients’ visions to life during both prosperous and challenging economic cycles for more than 50 years.