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About Us

Semper Diving and Marine is a Boston based company established in 2005, providing a wide range of construction and inspection services for marine and heavy civil contractors and facility owners. Capabilities of the company include full service commercial diving for all types of conditions, depths and durations including confined spaces and hazardous materials for construction, environmental, survey and inspection work. Semper’s staff includes veteran divers, ROV and AUV operators, and marine construction personnel with an in depth knowledge of all forms of diving, marine construction, restoration and engineering. Semper’s owner and president, Peter Merullo, brings over 30 years of marine construction and diving expertise to his venture. His experience includes many years of diving work and management on portions of Boston’s Big Dig tunnels, outfall tunnels, diffusers and headwork’s for the Boston Harbor cleanup project, local transportations tunnels, as well a marine facility restoration. Key members of the staff have worked together for many years on various diving and construction projects in and around New England, and have been brought together to form the nucleus of the company’s workforce.

We have performed repairs and consulting engineering for several cities and towns within the Commonwealth including the MWRA tank and conduit inspections, valve replacement, Department of Transportation emergency bridge repairs, subsea surveys and marine facility repair. Clients have included Massachusetts Port Authority, Kokosing Construction d/b/a Durocher Marine, Barletta Heavy Division, Bond Brothers, Seaward Marine, American Bridge, Aetna Bridge, AGM Marine Contractors, Distrigas, McCourt Construction, General Electric, GDF Suez, BW Offshore, Excelerate Energy, SPS New England, Dept. of Navy, United States Coast Guard, Walsh Group, DGI Menard, and Methuen Construction.