Centimark Roofing - Pennsylvania Contractors
Commercial and industrial roofing contractor. Offers a full complement of new and replacement roof systems including single-ply EPDM rubber, single-ply thermoplastics, modified bitumen, built-up roofing, metal roofing, spray polyurethane foam and roof maintenance coatings. Based in Canonsburg, PA.
Mid-Atlantic Waterproofing - Pennsylvania Contractors
Specializes in basement waterproofing and foundation repair. Services available in Maryland, Washington D.C., Northern Virginia, Delaware, Pennsylvania, New Jersey and Lower New York.