About Semper Diving & Marine

Semper Diving & Marine Corp. is a veteran-owned, Boston based commercial diving and marine construction contractor established in 2005. We provide a wide range of construction and inspection services to heavy civil contractors, facility owners, and municipal and private clients. Our capabilities include full service diving in all environments, marine construction and rehabilitation, pile driving, advanced underwater robotic services, as well as inspection services.

Semper’s staff includes experienced divers, engineers, ROV and AUV operators, and marine construction personnel with an in-depth knowledge of all forms of diving, marine construction, rehabilitation, and engineering. Semper’s staff brings decades of marine construction, heavy civil and diving expertise to the firm, including many years of diving and heavy civil work and management on the Central Artery Tunnel Project; outfall tunnels, diffusers and headworks for the Boston Harbor Cleanup project; tremie concrete placements, as well as marine facility rehabilitation.

Our offices are located at 100 Terminal Street, in Charlestown, Massachusetts 02129