Service Areas Serving Northern Virginia & Maryland since 1980 Your local, top rated experts for roofing, siding, doors, windows, gutters and more.ย Manassas Warrenton Reston Oakton Herndon Haymarket Gaithersburg Gainesville Falls Church Fairfax Dale City Arlington Alexandria Our Projects At Marshall Roofing, weโve built a reputation for excellence by providing top-quality roofing solutions that stand the test of time. View Projects About Marshall Roofing