Construction might seem like a man’s world, what with all the hard hats and steel-toed boots. But guess what? The biggest construction companies in the US are not just building skyscrapers; they are also breaking ceilings. In 2025, these firms are booming with revenue, innovation, and yes, increasing women’s power. Whether it’s project managers or site supervisors, women are raising the bar, and the buildings. So, if you ever doubted that construction is only about bricks and beams, think again. The largest construction companies in the US are a testament to grit, growth, and getting things DONE, with diversity in every blueprint.
The 20 Biggest Construction Companies in the US in 2025
Below are the largest construction companies in the US in 2025, ranked by their latest revenues, with key details in order of founding year.
| Rank | Company | Founded | CEO | Employees | 2024 Revenue (USD) | Notable Focus |
| 1 | McCarthy Holdings Inc. | 1864 | Kevin W. O’Connor | 6,000 | $5.3B | Commercial, healthcare, infrastructure |
| 2 | Gilbane Building Co. | 1870 | Dan P. Gilbane | 3,000 | $6.3B | Construction, real estate |
| 3 | Kiewit Corporation | 1884 | Rick Lanoha | 26,000 | $3.4B | Engineering, mining, civil construction |
| 4 | Skanska USA | 1887 | Anders Danielsson | 6,500 | $7.1B | Infrastructure, building development |
| 5 | Tutor Perini Corp | 1894 | Ronald N. Tutor Jr. | 7,000 | $4.9B | Civil, building, specialty construction |
| 6 | Bechtel | 1898 | Brendan Bechtel | 53,000 | $12.9B | Infrastructure, energy, nuclear |
| 7 | The Walsh Group | 1898 | Jim Walsh | 3,800 | $5.3B | Transportation, water infrastructure |
| 8 | Turner Construction Co. | 1902 | Peter J. Davoren | 12,000 | $20.2B | Large-scale commercial & civil |
| 9 | Clark Construction Group | 1906 | Robby Moser | 4,400 | $6.0B | Commercial, civil construction |
| 10 | Whiting-Turner Contracting | 1909 | Timothy J. Regan | 4,600 | $13.3B | Data centers, commercial |
| 11 | Fluor Corporation | 1912 | Carlos M. Hernandez | 40,000 | $7.9B | Engineering, construction, maintenance |
| 12 | Brasfield & Gorrie LLC | 1921 | Pat Gorrie | 3,200 | $5.0B | Commercial, industrial |
| 13 | JE Dunn Construction Group | 1924 | Jay B. Reinemann | 3,900 | $5.8B | Commercial, institutional |
| 14 | MasTec Inc. | 1929 | José R. Mas | 22,000 | $12.3B | Energy, communications, pipelines |
| 15 | Hensel Phelps | 1937 | Dave Phelps | 3,000 | $5.9B | Commercial, healthcare |
| 16 | Mortenson | 1954 | Dan Batrack | 2,900 | $6.0B | Sports, commercial, and renewable energy |
| 17 | Suffolk Construction Co. | 1982 | John Fish | 2,200 | $4.8B | Real estate, healthcare |
| 18 | Clayco | 1984 | Bob Clark | 3,000 | $5.2B | Design-build, real estate development |
| 19 | DPR Construction | 1990 | Anders Pedersen | 9,000 | $6.8B | Sustainable, tech, healthcare |
| 20 | AECOM | 1990 | Troy Rudd | 47,000 | $6.1B | Infrastructure, environmental |
20 Biggest Construction Companies in the U.S. in 2025 (in ascending order of founding year)
These 20 companies represent the strongest and most influential players in the US construction sector in 2025. Each blends tradition with innovation and offers diverse expertise ranging from commercial buildings and infrastructure to sustainable and high-tech construction. Their growth and focus on inclusivity reflect an evolving industry meeting the nation’s expanding needs.
1. McCarthy Holdings Inc. (Founded 1864)
As one of the longest-running builders and biggest construction companies in the US, McCarthy’s legacy is built on precision craftsmanship and a safety-first culture. The company is often cited as a pioneer in Lean construction and digital project delivery, enabling faster timelines while reducing waste. McCarthy’s healthcare portfolio is especially dominant, with hospitals and medical research centers shaped by cutting-edge technology and patient-focused designs.
2. Gilbane Building Co. (Founded 1870)
Gilbane is best known for managing some of the most complex educational and research facilities in America, helping universities build campuses that blend tradition with modern-day learning environments. A family-owned company spanning six generations, Gilbane has a reputation for personalized client relationships while handling billion-dollar projects with precision.
3. Kiewit Corporation (Founded 1884)
Kiewit stands apart for its self-performance capability; unlike most competitors, it can handle construction, engineering, and mining operations in-house. This level of control gives Kiewit an edge on massive projects like interstate highways, rail systems, and hydroelectric dams. As a contractor, its influence on U.S. infrastructure is nearly unmatched.
4. Skanska USA (Founded 1887)
As the American arm of Swedish giant Skanska, this company is one of the most sustainability-driven builders in the U.S. It invests heavily in green building certifications (LEED, WELL) and carbon-neutral construction practices. Skanska USA is known for building iconic civic structures like airports, cultural institutions, and public transit hubs that enhance urban living.
5. Tutor Perini Corp (Founded 1894)
Tutor Perini is synonymous with heavy civil engineering, especially in transit and tunneling projects. Its name is attached to high-stakes ventures like New York subway expansions, Las Vegas casinos, and even military bases. With expertise in both civil infrastructure and specialty contracting, Tutor Perini is a go-to choice for projects requiring scale and precision under tight deadlines.
6. Bechtel (Founded 1898)
Bechtel is the true colossus of construction. Famous for megaprojects, it has built pipelines across continents, power plants, and large-scale transportation systems. Bechtel has consistently ranked as one of the world’s most advanced engineering and project management firms, spearheading nuclear and energy innovations. Its global leadership and ability to deliver billion-dollar programs make it a benchmark in the industry.
7. The Walsh Group (Founded 1898)
Walsh is most admired for its role in shaping America’s water systems and transportation infrastructure. The company is family-owned into its fourth generation, creating a strong legacy of reliability and trustworthiness. Its work on bridges, airports, and flood-control systems demonstrates an engineering excellence that supports daily life across the U.S.
8. Turner Construction Co. (Founded 1902)
Turner is the largest U.S. contractor by revenue and a leader in technology adoption. Its portfolio includes world-famous stadiums, skyscrapers, and healthcare complexes. Turner is especially respected for its use of advanced construction technology and diversity programs, often cited as a model for inclusivity in the industry. Few can rival its breadth of projects or reputation for executing high-profile builds flawlessly.
9. Clark Construction Group (Founded 1906)
Clark is a star in design-build and integrated project delivery, giving it the ability to offer clients holistic solutions from concept to completion. Known for world-class civic and commercial megastructures, Clark has made its mark in sustainable skyscrapers, convention centers, and urban transit. Its long-term reputation for collaboration makes it a favorite among public and private clients alike.
10. Whiting-Turner Contracting (Founded 1909)
Whiting-Turner is recognized for its mission-critical construction expertise, including data centers, research labs, and high-security facilities. Its client roster includes some of the nation’s leading technology companies, thanks to its ability to ensure uptime and reliability on critical infrastructures. With over 100 years of consistent growth, it is one of the most respected and biggest construction companies in the US.
11. Fluor Corporation (Founded 1912)
Fluor is one of the most globally recognized U.S.-based EPC (Engineering, Procurement & Construction) companies. Beyond construction, it offers complete turnkey engineering and logistics services. Fluor stands tall for its large-scale execution of energy facilities, refineries, and mining operations. It’s among the most trusted international partners for governments and Fortune 500 companies.
12. Brasfield & Gorrie LLC (Founded 1921)
Known as a Southern powerhouse, Brasfield & Gorrie excels in commercial and industrial development while retaining regional warmth in client relationships. Its projects span hospitals, corporate campuses, and stadiums, making it a go-to contractor for community-serving facilities that blend modernity with civic pride.
13. JE Dunn Construction Group (Founded 1924)
JE Dunn is known for pioneering client-focused innovation and advancing design-build processes. It thrives especially in healthcare, education, and aviation, offering clients predictable outcomes even in highly technical environments. Its growth has been fueled by a focus on employee ownership and culture, making it one of the most people-first construction firms in the U.S.
14. MasTec Inc. (Founded 1929)
MasTec is the nation’s leader in energy and telecom infrastructure. From solar farms to broadband networks, MasTec helps America transition into the future of energy and digital connectivity. Its expertise in clean energy and utility installation makes it one of the fastest-growing infrastructure contractors and biggest construction companies in the US of the last decade.
15. Hensel Phelps (Founded 1937)
Hensel Phelps is known for precision project execution and remains a leader in sectors like airports, courthouses, and healthcare. Its reputation is built on deep technical expertise and a culture of collaboration. Hensel Phelps is also a champion of sustainability and modular construction, moving the industry toward faster, greener, smarter building methods.
16. Mortenson (Founded 1954)
Mortenson is one of the premier builders in renewable energy and sports facilities. Few companies have built as many stadiums, arenas, and clean energy projects (especially wind and solar) in the U.S. Mortenson’s reputation as a sustainability-driven builder makes it a trailblazer in green innovation.
17. Suffolk Construction Co. (Founded 1982)
Suffolk is widely regarded as one of the most innovative contractors and biggest construction companies in the US due to its use of digital construction platforms, AI, and predictive analytics. It has a strong national presence in healthcare, education, and residential high-rises. Suffolk’s tagline, “Build Smart,” reflects its data-driven culture, making it one of the high-tech disruptors in the industry.
18. Clayco (Founded 1984)
Clayco is often referred to as an integrated builder–developer rather than a traditional contractor. Its ability to offer end-to-end solutions (from financing and design to delivery) sets it apart. Clayco thrives in corporate and industrial campuses, including major logistics and manufacturing facilities fueling America’s supply chain.
19. DPR Construction (Founded 1990)
DPR is hailed as one of the most progressive, employee-owned construction firms in the U.S. With a culture of empowered teams, DPR excels in high-tech, healthcare, and sustainable buildings. Its commitment to net-zero projects positions it at the leading edge of the green construction movement.
20. AECOM (Founded 1990)
AECOM is a true global infrastructure titan and biggest construction companies in the US. Unlike most builders, it is deeply entrenched in planning, design, and environmental engineering as much as construction. Its expertise means that governments and corporations trust AECOM to deliver city-defining infrastructure projects, from highways and airports to environmental remediation.
Interesting Facts About Women and Construction
- Companies with gender-diverse teams show 25% higher profitability on average.
- Female leaders in construction help increase safety standards and project satisfaction.
- Industry-wide initiatives like Women in Construction Week boost awareness and recruitment.
- The percentage of women in leadership roles within the biggest construction companies in the US grows steadily each year.
Conclusion
The biggest construction companies in the US continue to lay strong foundations for the nation’s future. As these firms grow, they welcome more women, making construction smarter and more inclusive. From CEOs to site supervisors, women’s influence rises, shaping company cultures and projects. Just like building a skyscraper, achieving diversity takes patience and teamwork. The journey of these top construction companies shows how embracing change and strength leads to success. Here’s to building a future where everyone wears their hard hat proudly.
