1. Vulcan Materials Co 26056 River Rd, Seaford, DE 19973 Coordinate: 38.63129,-75.61376 Phone: (302) 628-8790
2. Vulcan Materials Co 14208 County Seat Hwy, Seaford, DE 19973 Coordinate: 38.60998,-75.50157 Phone: (302) 875-5733