1. Calvert Utilities Inc 8184 Telegraph Rd, Severn, MD 21144 Coordinate: 39.10527,-76.69368 Phone: (410) 674-6747
2. Fiberco Inc 1450 Grimm Rd, Severn, MD 21144 Coordinate: 39.11373,-76.69706 Phone: (410) 519-6790