NAICS code: 237990 — Other Heavy and Civil Engineering Construction
2022 NAICS code: 237990 — Other Heavy and Civil Engineering Construction
Industry description: This industry comprises establishments primarily engaged in heavy and civil engineering construction projects (excluding highway, street, bridge, and distribution line construction).  The work performed may include new work, reconstruction, rehabilitation, and repairs.  Specialty trade contractors are included in this industry if they are engaged in activities primarily related to heavy and civil engineering construction projects (excluding highway, street, bridge, distribution line, oil and gas structure, and utilities building and structure construction).  Construction projects involving water resources (e.g., dredging and land drainage), development of marine facilities, and projects involving open space improvement (e.g., parks and trails) are included in this industry.

Illustrative Examples:

Channel construction
Land drainage contractors
Dam construction
Marine construction
Dock construction
Microtunneling contractors
Dredging (e.g., canal, channel, ditch, waterway)
Nuclear waste disposal site construction
Earth retention system construction
Flood control project construction
Park ground and recreational open space improvement construction
Railroad construction
Golf course construction
Subway construction
Horizontal drilling (e.g., cable, pipeline, sewer installation)
Trenching, underwater
Hydroelectric generating station construction
Tunnel construction 


Cross-References. Establishments primarily engaged in--

NAICS hierarchy: 23 Construction > 237 Heavy and Civil Engineering Construction > 2379 Other Heavy and Civil Engineering Construction > 23799 Other Heavy and Civil Engineering Construction

ExioML sector: Construction work (45)
Region: US, year: 2022
Value added: 916907.924103 M.EUR
Employment: 17329.2593376 thousand persons
GHG emissions: 49388377293.7 kg CO2 eq.
Energy carrier net total: 903450.264368 TJ
Carbon intensity: 0.05386405329849892

Companies in this industry:

Company: Cianbro Companies
Cianbro Corporation provides construction and service solutions. The Company offers heavy industrial maintenance for construction, power plant, hydroelectric, marine facilities, nuclear plant outage, bridge, modularized construction, and construction management services.

Company: Kbr Holdings LLC
KBR Holdings, LLC provides infrastructure construction services. The Company offers engineering, procurement, project and program management, operation and maintenance, automation, and process technology services to energy, hydrocarbon, civil infrastructure, power, industrial, and commercial markets.

Company: Bechtel National Inc
Bechtel National, Inc. provides professional engineering services. The Company offers services such as construction and development, financing, engineering, technology, project management, and safety. Bechtel National serves customers worldwide.

Company: Snc-Lavalin Constructors Inc
AtkinsRéalis Group Inc., previously known as SNC-Lavalin Group Inc., is a Canadian company based in Montreal that provides engineering, procurement, and construction (EPC) services to various industries, including mining and metallurgy, environment and water, infrastructure, and clean energy.

Company: Flatiron Holding Inc
Flatiron Holding, Inc was founded in 2007. The Company's line of business includes providing general contracting services such as constructing bridges and tunnels.

Company: Lane Industries Incorporated
Lane Industries Inc. of Connecticut provides general contracting services. The Company offers its services including construction of bridges, tunnels, and commercial projects. Lane Industries serves customers throughout the Eastern United States.

Company: McDermott Inc
McDermott Inc., is an energy services engineering and contracting company. The Company provide engineering, construction, installation, procurement, research, manufacturing, environmental systems, project management, and facilities management services.

Company: Railworks Corporation
RailWorks Corporation provides infrastructure construction services. The Company constructs, installs, and maintains transit and crossing warning systems, tracks, HBDs, switch heaters, and fiber optic cables. Railworks serves customers in the United States and Canada.

Company: Great Lakes Dredge Dock Co LLC
Great Lakes Dredge & Dock Corporation (GLDD) is the leading provider of dredging services in the United States specializing in projects that help improve and protect our nation's infrastructure and coastlines.

Company: Helix Enrgy Slutions Group Inc
Helix Energy Solutions Group, Inc. is an international offshore energy company. It focuses on subsea construction, maintenance and salvage services to the offshore natural gas and oil industry.

Company: Great Lakes Dredge & Dock Corp
Great Lakes Dredge & Dock Corporation (GLDD) is the leading provider of dredging services in the United States specializing in projects that help improve and protect our nation's infrastructure and coastlines.

Company: S & B Engineers & Constrs Ltd
S & B Engineers & Constructors, Ltd. provides engineering and construction services. The Company offers pilot plant design, analysis, project management, procurement, and productivity assessments.

Company: Bechtel Cnstrction Oprtons Inc
Bechtel Group, Inc. provides engineering and construction services. The Company designs and builds roads, airports, nuclear power plants, communication network, mines, pipelines, and oil and gas field development projects, as well as offers technology, procurement, and project management services.

Company: Global Diving & Salvage Inc
A Leader In Marine Services Founded in 1979, Global Diving & Salvage, Inc. is a leading provider of marine construction, support services, and marine casualty response worldwide.

Company: Wind River Environmental LLC
Headquartered in Marlborough, Massachusetts, Wind River Environmental services and maintains a broad array of non-hazardous liquid waste systems, including grease traps, septic tanks and related waste systems.