Black Dog Divers, Inc.

Portsmouth, NH 03801

Company Info

Est. 1989
Size 50-99 Employees
Annual Vol Undisclosed

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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

Demolition Contractors

Bridge/Pipeline Repair

Cable & Pipeline Installation

Commercial Diving

Divers--Commercial

Bridge/Pipeline Repair

Cable & Pipeline Installation

Commercial Diving

Marine Construction

Bridge/Pipeline Repair

Cable & Pipeline Installation

Commercial Diving

Commercial Experience

Bridge Dams & Levies Misc Project

Regions & Counties Serviced

New England

Maine All

Massachusetts All

New Hampshire All

Our CSI Codes

03 37 26 - Underwater Placed Concrete

06 13 33 - Heavy Timber Pier Construction

31 63 19.13 - Rock Sockets for Piles

31 77 13 - Trench Excavation for Submerged Tunnels

31 77 19 - Floating and Laying Submerged Tunnels

33 71 39.33 - Underwater High-Voltage Wiring

33 71 49.33 - Underwater Medium-Voltage Wiring

35 01 30 - Operation and Maintenance of Coastal Construction

35 01 40 - Operation and Maintenance of Waterway Construction

35 01 40.92 - Preservation of Water Courses

35 01 50 - Operation and Maintenance of Marine Construction

35 05 30 - Common Work Results for Coastal Construction

35 05 50 - Common Work Results for Marine Construction

35 06 30 - Schedules for Coastal Construction

35 06 50 - Schedules for Marine Construction

35 12 33 - Marine Navigation Equipment

35 20 13.16 - Hydraulic Bulkheads

35 20 13.19 - Hydraulic Manifolds

35 20 13.23 - Hydraulic Penstocks

35 20 13.26 - Hydraulic Trashracks

35 20 16 - Hydraulic Gates

35 20 16.13 - Hydraulic Spillway Crest Gates

35 20 16.19 - Hydraulic Head Gates

35 20 16.26 - Hydraulic Sluice Gates

35 20 16.33 - Hydraulic Miter Gates

35 20 16.39 - Hydraulic Sector Gates

35 20 16.46 - Hydraulic Tainter Gates and Anchorages

35 20 16.53 - Hydraulic Vertical Lift Gates

35 20 16.59 - Hydraulic Closure Gates

35 30 00.00.01 - Coastal Construction

35 31 16 - Seawalls

35 31 16.13 - Concrete Seawalls

35 31 16.19 - Steel Sheet Piling Seawalls

35 31 16.23 - Timber Seawalls

35 31 16.40 - Stone Seawalls

35 31 19 - Revetments

35 31 19.13 - Sacked Cement-Sand Revetments

35 31 19.16 - Concrete Unit Masonry Revetments

35 31 19.40 - Stone Revetments

35 31 23 - Breakwaters

35 31 23.13 - Rubble Mound Breakwaters

35 31 23.16 - Precast Breakwater Modules

35 31 26 - Jetties

35 31 26.13 - Concrete Jetties

35 31 26.16 - Concrete Unit Masonry Jetties

35 31 26.40 - Stone Jetties

35 31 29 - Groins

35 31 29.13 - Concrete Groins

35 31 29.16 - Concrete Unit Masonry Groins

35 31 29.26 - Steel Groins

35 32 13 - Scrap Material Artificial Reefs

35 32 13.13 - Scrap Concrete Artificial Reefs

35 32 13.33 - Sunken Ship Artificial Reefs

35 32 16 - Constructed Artificial Reefs

35 32 16.13 - Constructed Concrete Artificial Reefs

35 32 16.19 - Constructed Steel Artificial Reefs

35 40 00.00.01 - Waterway Construction and Equipment

35 42 37 - Riprap Bank Protection

35 42 53 - Wall Bank Protection

35 43 37 - Riprap Scour Protection

35 49 23 - Waterway Locks

35 49 23.13 - Concrete Waterway Locks

35 49 23.23 - Piling Waterway Locks

35 50 00.00.01 - Marine Construction and Equipment

35 51 13 - Floating Piers

35 51 13.23 - Floating Wood Piers

35 51 13.26 - Floating Plastic Piers

35 51 23 - Pontoons

35 52 13 - Fixed Offshore Platform Construction

35 52 23 - Semi-Submersible Offshore Platform Construction

35 52 33 - Floating Offshore Platform Construction

35 53 53 - Underwater Structures Construction

35 53 63 - Underwater Waterproofing

35 59 13 - Marine Fenders

35 59 13.16 - Resilient Foam-Filled Marine Fenders

35 59 13.19 - Rubber Marine Fenders

35 59 23 - Buoys

35 59 23.13 - Mooring Buoys

35 59 23.16 - Anchor Pendant Buoys

35 59 23.19 - Navigation Buoys

35 59 29 - Mooring Devices

35 59 29.16 - Laser Docking Systems

35 71 19 - Rockfill Gravity Dams

35 73 16 - Rock Embankment Dams

35 79 13 - Fish Ladders

35 79 13.13 - Concrete Fish Ladders

Project Experience

Union
Public
Private
Service Work/Repairs

Gallery

Marine Construction at Brightman Fender

Choate Bridge Pier Repair

BRIGHTMAN STREET BRIDGE

Erosion Mat

Associations & Memberships

AWS (American Welding Society)

ADC (Assn. of Diving Contractors)

ACI (American Concrete Institute)

ASME (American Society of Mechanical Engineers)

Local Union 56

Preferred Brands

Terex

Broco Welding Systems

Valterra Products

Black Dog Divers, Inc.

Company Info

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