Seal Co 2916 Timber Ridge Dr Mount Airy, MD 21771 Phone : (410) 549-1010 Business Category Trucking-Heavy Hauling Oil Field Hauling Trucking Robert W Seal Inc 5241 Bartholow Rd Sykesville, MD 21784 Phone : (410) 549-1010 Business Category Trucking-Heavy Hauling Oil Field Hauling Trucking