Utility System Construction NAICS 2371

        Utility System Construction

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Industry Summary

The 17,800 utility system construction firms in the US are specialty contractors that develop buildings, structures, and distribution networks associated with water, sewer, petroleum, gas, power, and communication systems. Firms provide new construction, reconstruction, rehabilitation, and repair services. Companies may specialize in a utility sector or offer services across multiple utilities.

Difficult Work Site Conditions

Utility construction projects can involve complex site conditions, including difficult to reach terrain and underground locations.

Seasonality and the Weather

Seasonal demand for utility system construction services creates uneven cash flow.


Recent Developments

Sep 16, 2025 - Electric Utilities Grapple with Data Center Growing Pains
  • The tech industry’s thirst for electricity to power data centers for AI could increase costs for electric utilities as well as residential and commercial electricity customers, according to The New York Times. Data centers accounted for 4% of US electricity consumption in 2023, but some industry watchers suggest it could climb to 12% in three years. Residential rate payers in the US have seen their bills increase by 30% since 2020. While much of the increase was due to utilities hardening grids amid more intense weather events and routine maintenance, data center expansion is expected to drive costly improvements to the electric grid. Unless lawmakers and regulators compel tech companies to fund the upgrades, ordinary customers could see more rate hikes. While tech firms say they want to help fund grid expansion, including building their own electricity generation capacity, utilities could still face high upfront costs.
  • In late August, the US government – through the Bureau of Ocean Energy Management (BOEM) - ordered Danish firm Orsted to cease work on the Revolution Wind project off the coast of Maryland, according to The Wall Street Journal. The wind project began construction last year and was 80% complete at the time of the stoppage, with all foundations and 45 of 65 turbines installed. The BOEM said it needed more time to complete a review ordered by the Trump administration. Trump opposes wind power and suspended all new federal leases for wind projects soon after his inauguration. In early September, Orsted filed a lawsuit to challenge the stoppage. In mid-April 2025, the Trump administration made a similar move against Norway-based Equinor’s Empire Wind project off the New York Coast, but the order was lifted a month later.
  • Renewable energy sources accounted for 91% of the 15 gigawatts (GW) of new electricity generation capacity that came online in the first five months of 2025, according to the Federal Energy Regulatory Commission (FERC) and reporting by Utility Dive. At 11.5 GW, solar held the largest share of new capacity additions, followed by wind (2.3 GW) and gas (1.3 GW). However, gas still accounts for the largest share of total electricity generation with 43%, followed by coal (15%), wind (11.8%), solar (11%), and nuclear (7.7%). Despite the Trump administration's favoring oil and gas and rescinding tax credits for renewables development and production, rising demand for electricity is expected to boost renewables. According to FERC, among 133 GW of “high probability” additions projected to be operational by 2028, 84% will come from solar and wind, and 15% from gas.
  • Nearly a third of US construction firms have been impacted by intensified immigration enforcement in the last six months, according to a recent report by the Associated General Contractors of America (AGC) and the National Center for Construction Education and Research (NCCER). More stringent enforcement has slowed project delivery and left 88% of firms with craft worker vacancies. One-fifth of construction firms surveyed reported that subcontractors had lost workers, 10% reported increases in absenteeism due to actual or rumored enforcement actions, and 5% said jobsites had been visited by immigration agents. Only 10% of firms use visa programs like H-2B due to approval challenges, leaving many vulnerable to enforcement actions. Industry leaders are urging Congress to increase funding for career and technical education and to create a construction-specific visa program to stabilize the workforce and support long-term growth.

Industry Revenue

Utility System Construction


Industry Structure

Industry size & Structure

The average utility construction firm employs 34 workers and generates about $11.4 million in annual revenue; the average water and sewer line construction firm employs 15 workers and generates $4 million annually; the average oil and gas pipeline construction firm employs 103 workers and generates about $27 million annually; and the average power and communication line construction firm employs 44 workers and generates about $12-13 million annually.

    • The utility system construction industry consists of about 17,800 companies that employ 602,800 workers and generate about $158 billion annually.
    • • The oil and gas pipeline segment and the power and communications segment are concentrated at the top with the 50 largest firms representing 57% of total revenue for both segments. The water and sewer segment is more fragmented with the 50 largest firms representing just 19% of the segment's total revenue.
    • The utility system construction industry includes several large players with national to near-national scope, regional firms, and many small independent firms that often serve as subcontractors to larger firms and operate within a limited geographical market.
    • Large companies include MasTec, Dycom Industries, and Granite Construction. Some large firms have international operations.

                      Industry Forecast

                      Industry Forecast
                      Utility System Construction Industry Growth
                      Source: Vertical IQ and Inforum

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