G.H. Clark Contractors is a family owned and operated business, specializing in roofing, siding, windows, doors, gutters, decks, and porches. We are based in Prince Frederick, Maryland and serve Calvert county, St. Mary´s county, Charles county, Anne Arundel county, King George county, and surrounding areas. G.H. Clark was started by Gil Clark, Jr in 1990, and to this day, has served over three thousand happy customers.