In 2025, the top construction companies in the USA reported a combined $600 billion in revenue, according to the ENR Top 400 Contractors list. While 2025 growth is projected at a moderate 1.4%, down from 6.6% the year before, these market leaders still deliver the nation’s most complex and high-value projects.
Despite policy uncertainty and economic pressures, these best firms continue to set the pace in building stadiums, data centers, transportation hubs, and critical infrastructure. This ranking spotlights the biggest US construction companies shaping America.
How we ranked them: We used verified 2024 revenue (USD) from ENR and company reports. We also considered workforce size, key sectors, and notable projects.
1. Turner Construction Co.: Largest Construction Company in the US
Turner Construction Company ranks as the United States’ largest construction company by total reported revenue reported. Also known as Turner Corporation, it delivers high-profile work across commercial, healthcare, education, sports, construction management, and mission-critical sectors.
- Headquarters: New York, New York, United States
- Year Established: 1902
- Ownership Type: Subsidiary of Hochtief (publicly traded in Germany)
- Chief Executive Officer: Peter J. Davoren
- Workforce Size: 12,000 employees in the United States; 14,000 worldwide (including the US)
- Annual Revenue (2024): USD 20.2 billion
- Geographic Reach: Nationwide operations with global delivery capabilities
- Notable Projects: Tennessee Titans Stadium (Nashville, TN), Buffalo Bills Stadium (Orchard Park, NY), Etihad Park Soccer Stadium (New York, NY)
Turner specializes in large-scale civil engineering and construction, delivering approximately 1,500 projects annually. Its integrated model combines preconstruction, construction management, and project delivery for efficient, high-quality results.

2. Bechtel: US Contractor for Nuclear, Space and Infrastructure
Bechtel Corporation is one of the top construction firms in the world and a leader in US infrastructure. It delivers complex infrastructure projects in energy, manufacturing, defense, and renewable energy.
- Headquarters: Reston, Virginia, United States
- Year Established: 1898
- Ownership Type: Privately held
- Chief Executive Officer: Brendan Bechtel
- Workforce Size: 50,000 employees; over 80,000 craft professionals globally
- Annual Revenue (2024): USD 15.9 billion
- Geographic Reach: Operations in more than 33 countries with projects in 160 countries
- Notable Projects: Nuclear Power Plant (Georgia, USA), NASA Launch Site (Florida, USA), Western Sydney International Airport (Australia), Riyadh Metro (Saudi Arabia), Vogtle Units 3 & 4 (Georgia, USA)
Bechtel is also known for its EPC (engineering, procurement, and construction) delivery model. Its scale allows it to tackle high-stakes projects with complex technical and concrete work requirements.

3. Kiewit Corp.: Employee-Owned Civil and Energy Contractor in the USA
Kiewit Corporation ranks among the largest employee-owned construction firms in North America. It delivers civil construction, industrial, transportation, water, and oil & gas construction project work.
- Headquarters: Omaha, Nebraska, United States
- Year Established: 1884
- Ownership Type: Employee-owned
- Chief Executive Officer: Rick Lanoha
- Workforce Size: 31,800 craft and staff employees
- Annual Revenue (2024): USD 14.0 billion
- Geographic Reach: Operations across the United States, Canada, and Mexico
- Notable Projects: Baltimore Amtrak Tunnel (Maryland), SCL Community Hospitals (Colorado), Phoenix Sky Harbor International Airport Third Runway (Arizona), Lackawanna Energy Center (Pennsylvania)
Kiewit’s broad capabilities in civil engineering and infrastructure make it a go-to construction company for large-scale government and private projects. Their employee-ownership model fosters deep project commitment, a long-lasting safety culture, and consistent client trust.

4. Whiting-Turner Contracting Company: Specialist in US Data Center Construction
Whiting-Turner Contracting Company ranks 4th among the best construction companies in the US. It is one of the most established US contractors, delivering a range of projects including commercial, institutional, mission-critical, and industrial projects.
- Headquarters: Baltimore, Maryland, United States
- Year Established: 1909
- Ownership Type: Privately held, employee-owned
- Chief Executive Officer: Timothy J. Regan
- Workforce Size: Over 4,600 salaried professionals
- Annual Revenue (2024): USD 13.3 billion
- Geographic Reach: Nationwide operations with 60 regional offices
- Notable Projects: Oregon Data Center (Oregon), Cadence on Canal (Connecticut), University of Missouri Memorial Stadium (Missouri), Penn State Engineering Buildings (Pennsylvania)
The company’s construction management and civil engineering expertise help deliver durable, high-performance builds across the US. Whiting-Turner maintains an industry-leading safety culture with OSHA 30-hour training for all operations personnel to promote exceptionally safe job sites.

5. MasTec Inc.: Energy, Pipeline and Solar Construction Services
MasTec Inc. ranks among the largest construction companies in the United States, based on total revenue reported for the previous year. It delivers major projects in energy, communications, transportation, and water sectors.
- Headquarters: Coral Gables, Florida, United States
- Year Established: 1929
- Ownership Type: Publicly traded on the New York Stock Exchange (NYSE: MTZ)
- Chief Executive Officer: José R. Mas
- Workforce Size: Nearly 22,000 skilled professionals
- Annual Revenue (2024): USD 12.3 billion
- Geographic Reach: Nationwide operations with projects in multiple states across key infrastructure markets
- Notable Projects: Mountain Valley Pipeline (VA/WV/NC), Wind Farm Construction (Burlington, Colorado), Douglas County Schools Solar Power Project (Colorado), Natural Gas Pipeline Projects (New York and Pennsylvania)
MasTec is recognized for its expertise in delivering large-scale, complex infrastructure projects. It provides engineering, procurement, construction, and maintenance for utilities, agencies, and private clients in the energy and civil sectors.

6. STO Building Group: Corporate Interior and Mission-Critical Builds
STO Building Group, previously known as The Structure Tone Organization, ranks among the top privately held construction firms in the United States. It delivers projects in corporate, healthcare, mission-critical, hospitality, and retail sectors.
- Headquarters: New York, New York, United States
- Year Established: 1971
- Ownership Type: Privately held, partially employee-owned
- Chief Executive Officer: Bob Mullen
- Workforce Size: Over 5,100 employees
- Annual Revenue (2024): USD 12.0 billion
- Geographic Reach: International operations with 54 offices across the United States, Canada, the UK, Ireland, and the Netherlands
- Notable Projects: University of Pennsylvania Vagelos Laboratory (Pennsylvania), St. Patrick’s Cathedral Restoration (New York), Penn Medicine 3600 Civic Center Boulevard Overbuild (Pennsylvania), The Hub at Citi Field (New York)
STO Building Group operates through a network of companies specializing in high-performance, technically complex builds. Its integrated services and global reach allow it to deliver large-scale projects with precision, quality, and industry-leading safety standards.

7. Fluor: LNG, Mining & Infrastructure Construction Across the USA
Fluor ranks as one of the largest publicly traded construction and engineering companies in the United States based on revenue. It delivers projects across energy, infrastructure, mining, manufacturing, and national security sectors, including major Liquefied Natural Gas (LNG) facilities.
- Headquarters: Irving, Texas, United States
- Year Established: 1912
- Ownership Type: Publicly traded on the New York Stock Exchange (NYSE: FLR)
- Chief Executive Officer: David E. Constable
- Workforce Size: Nearly 27,000 employees
- Annual Revenue (2024): USD 11.1 billion
- Geographic Reach: Global operations with more than 60 offices worldwide, including in North America, Europe, Asia, and Australia
- Notable Projects: Gordie Howe International Bridge (Michigan/Canada), Green Line Extension (Boston, Massachusetts), LNG Canada Facility (British Columbia, Canada), Reko Diq Copper Project (Pakistan), Pharmaceutical Facility (California)
Fluor delivers engineering, procurement, and construction services for complex projects in both public and private markets. Its expertise spans traditional and sustainable energy solutions, advanced manufacturing, and mission-critical government programs.

8. DPR Construction: High-Tech, Life Sciences and Healthcare Builds
DPR Construction is named after its founders Doug Woods, Peter Nosler, and Ron Davidowski. It ranks eighth among the leading privately held general contractors in the United States. It specializes in advanced technology, healthcare, life sciences, higher education, and mission-critical projects.
- Headquarters: Redwood City, California, United States
- Year Established: 1990
- Ownership Type: Privately held
- Chief Executive Officer: George Pfeffer
- Workforce Size: Approximately 9,800 craft and administrative employees; over 11,000 globally
- Annual Revenue (2024): USD 10.8 billion
- Geographic Reach: Nationwide operations with offices across major US cities and international presence in Europe, Asia, and South America
- Notable Projects: Arizona Data Center (Arizona), Virginia Data Center (Virginia), KPMG Lakehouse (Florida), USTA National Campus (Florida), Baptist MD Anderson Cancer Center (Florida)
DPR is known for delivering highly technical and complex projects with a collaborative, client-focused approach. Its work emphasizes innovation, sustainable practices, and precision execution in sectors with strict performance requirements.

9. McDermott International: Offshore LNG and Renewable Energy Construction
McDermott International ranks among the largest US-based engineering and construction companies serving the global energy industry. It delivers integrated engineering, procurement, fabrication, and construction (EPFC) solutions across onshore, offshore, subsea, and energy transition markets.
- Headquarters: Houston, Texas, United States
- Year Established: 1923
- Ownership Type: Privately held by equity owners
- Chief Executive Officer: Michael McKelvy
- Workforce Size: Over 30,000 employees
- Annual Revenue (2024): USD 8.9 billion
- Geographic Reach: Operations in more than 54 countries with 37 global offices, 5 fabrication facilities, and 8 marine construction vessels
- Notable Projects: BorWin6 Project (Dubai, UAE), Campbell Platform Removal & Decommissioning (Western Australia), Scarborough Floating Production Unit (Australia), Woodfibre LNG (Canada), GEVO Sustainable Aviation Fuel Facilities (South Dakota)
McDermott leverages its global footprint and technical expertise to deliver large-scale, complex energy projects. Its portfolio spans renewable energy solutions, offshore facilities, and LNG developments that support the global energy transition.

10. HITT Contracting: Data Center and HQ Facility Construction USA
HITT Contracting, named after founders Warren and Myrtle Hitt, ranks tenth among the fastest-growing general contractors in the United States by total revenue. It delivers projects across government, mission-critical, healthcare, industrial, and mixed-use markets.
- Headquarters: Falls Church, Virginia, United States
- Year Established: 1937
- Ownership Type: Privately held
- Chief Executive Officer: Kim Roy
- Workforce Size: Over 1,900 employees
- Annual Revenue (2024): USD 8.7 billion
- Geographic Reach: Nationwide operations with 14 offices across major US markets
- Notable Projects: Falls Church headquarters, General Services Administration New Office Quarters in Charleston, College of Charleston King George Inn renovation (Charleston), and Greenville-Spartanburg International Airport improvements (Greer).
HITT’s rapid rise in the ENR rankings reflects its strategic expansion into high-demand sectors. Its diverse service offerings, from base building to tenant fit-outs, allow it to handle both small-scale renovations and complex, multi-billion-dollar developments.

What Do the Biggest Construction Companies in the USA Have in Common?
The top construction companies in the USA share qualities that allow them to win large contracts and deliver landmark projects nationwide. These strengths enable them to stay ahead in a competitive market.
- Nationwide reach: They operate across multiple states, handling projects in both metropolitan hubs and regional communities.
- Comprehensive delivery: Services cover every stage, from early design and planning to construction and ongoing asset support.
- Diverse infrastructure focus: Portfolios include stadiums, transportation networks, energy facilities, and mission-critical developments.
- Workforce strength: Thousands of engineers, skilled trades, and managers keep projects moving at scale.
- Advanced building techniques: Many use BIM, prefabrication, and modular approaches to improve speed, accuracy, and cost control.
- Enduring partnerships: Long-term relationships with government agencies and private developers generate repeat work and stable pipelines.
- Market adaptability: They adjust to shifting regulations, funding changes, and economic conditions without compromising performance.
These common strengths define the leaders in US construction and establish the standard for delivering large-scale, high-quality projects.
Final Take on the Biggest US Construction Companies
This list brings together the contractors driving America’s largest and most complex projects. They work across various sectors, including commercial, healthcare, energy, transportation, and mission-critical infrastructure.
Turner tops the rankings with unmatched stadium and civic projects. Bechtel continues to lead in large-scale infrastructure and industrial development. Kiewit, DPR, and MasTec show how innovation and strong delivery can transform complex projects into lasting assets.
Each company here combines scale, skill, and proven results. Their 2024 performance sets a high standard for the industry and shows why they remain the best construction companies in the US.