Black Dog Divers, Inc.

Portsmouth, New Hampshire 03802
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Our Story

Black Dog Divers is your team for integrated support ranging from single-service commercial diving needs to total project management for projects requiring commercial diving, marine construction, crane & rigging, and related services.

Since 1989, Black Dog Divers has earned an industry-leading reputation for providing innovative, safety-conscious and cost-effective service that delivers results. Our energetic, resourceful team has an outstanding track record of providing clients with rapid, cost-effective incident response services without compromising our commitment to safety and the environment.

Our experienced commercial divers and marine construction specialists support industries including Hydro Electric, Municipal & Government Water Systems, Cable & Pipeline, Shipping, and more. Engineering firms and general contractors also consistently depend on Black Dog Divers as their partner for as-needed commercial diving and marine construction support for their projects.

What We Do

Products and Services

Blue Book Network Classifications

We can be found under the following Blue Book Network Classifications.

Commercial Construction Project Specializations

Historic Preservation
Secure and Shielded Facilities
Storage Facility / Warehouse

Company Information

Year Established:
Labor Affiliation:
Annual Volume:
Company Size:
50-99 Employees
Service Sector:
Public Private
Typical Project Size:
Not Provided Request
Project Types:
Service Work/Repairs

Associations & Memberships

ACI (American Concrete Institute)
ADC (Assn. of Diving Contractors)
ASME (American Society of Mechanical Engineers)
AWS (American Welding Society)
Local Union 56

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