Black Dog Divers

Black Dog Divers, Inc. is a commercial diving, marine construction, and crane and rigging service company based in Portsmouth, New Hampshire. The company offers a range of services, including barge and sectional barge rental, commercial diving, crane and rigging, demolition, hazmat, marine construction, remote operated vehicle (ROV) support, and welding and fabrication. Since 1989, Black Dog Divers has built a reputation for providing innovative, safety-conscious, and cost-effective services to clients in industries such as hydroelectric, municipal and government water systems, cable and pipeline, and shipping.