Electrical Contractors

The 81,842 Electrical contractor firms in the US provide electrical installation, repair, and maintenance work. They handle wiring, lighting, networking, fire and safety equipment, and energy management systems, among other tasks. Much of the work is installation and repair of residential electrical wiring. Contractors must buy materials and then install them according to code in homes and other buildings.

Demand Dependent on Construction Activity

Contractors can market new services such as design work during periods of low demand, but new construction ultimately drives the industry.

Liability for Damages

Oftentimes builders or general contractors will try to cut corners, directing ECs to take shortcuts that violate code.

Oct 14, 2026 - Data Center Boom Drives Electrical Contractor Revenue

• Leading electrical contractors reported strong revenue gains amid rapid data center development, according to EC&M's annual industry survey. The publication's 2026 Top 50 Electrical Contractors reported combined 2025 revenue of more than $80 billion, a 35% increase over the prior survey's total. Data center construction was a leading market for participating firms, with demand for electrical infrastructure supporting substantial growth. However, supply chain disruptions, materials inflation, and labor shortages remain significant challenges. Electrical contractors are investing in apprenticeship programs, workforce development, and off-site construction to improve productivity. Data center permitting delays and community opposition also pose risks, potentially complicating project scheduling and revenue forecasts.
• Artificial intelligence companies will need substantial revenue growth to justify planned infrastructure investments, according to Bisnow's coverage of a report by Bain & Co. Bain estimates that AI-related businesses must generate $6 trillion in annual revenue by 2031 to support current investment expectations. Existing applications could generate approximately $1.8 trillion, leaving a projected $4.2 trillion gap that requires new markets and applications. For electrical contractors, rapid data center development offers substantial near-term opportunities for power systems and specialized installations. However, uncertainty about the financial returns from AI investment introduces potential risks to longer-term construction pipelines. Contractors heavily dependent on data center projects may need to evaluate customer financing, construction commitments, and exposure to possible delays.
• Utility spending on storm protection and electrical grid resilience is becoming a more durable source of infrastructure investment, according to FMI. Weather-related events have accounted for approximately 80% of US electricity outages since 2000, driving greater emphasis on strengthening distribution systems. Utility programs increasingly include pole replacements, underground power lines, substation protection, automation, and related improvements. These projects could provide electrical contractors with recurring opportunities in installation, maintenance, and modernization. FMI notes that dedicated regulatory funding mechanisms are making some resilience programs less dependent on discretionary capital budgets. Contractors with utility-sector expertise may benefit from more predictable demand, although specialized labor requirements, permitting, and equipment availability could constrain project delivery.
• The National Electrical Contractors Association (NECA) has announced expanded access for members to its Manual of Labor Units, according to a September industry update. The 2025-2027 edition is available to members through a complimentary two-year subscription. The manual provides labor estimating information intended to help electrical contractors develop project bids. Access to updated estimating resources could improve consistency in project pricing and workforce planning.

Industry size & Structure

An average electrical contractor has 14 employees and does $3.1 million in annual revenue.

• Overall, the electrical contractor industry has $247.6 billion in annual revenue and 1.1 million employees.
• Segments include power installation, telecommunications setup, fire and safety systems.
• 89% of establishments have fewer than 20 employees.
• About 41% of establishments do less than $500,000 a year in business.
• Large firms include Emcor Group (CT), Integrated Electrical Services (TX), and Rosendin Electric (CA).