The top commercial contractors in 2026: ENR

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Dive brief:

• For the sixth year in a row, New York City-based Turner Construction is the nation’s No. 1 contractor by revenue, according to Engineering News-Record’s 2026 Top 400 Commercial Contractors List premiered on wednesday The list ranks contractors by self-reported 2025 income.
• Bechtel, based in Reston, Virginia, once again took second place. However, New York City-based STO Building Group claimed the No. 3 spot, up from No. 6 last year, bumping Omaha, Neb.-based Kiewit into the No. 4 position.
• As was the case in 2025the top three contractors saw their revenue grow year over year. Turner’s revenue in 2025 grew to $28.3 billion, up from $20.2 billion a year earlier. Meanwhile, Bechtel’s 2025 revenue came in at $19.5 billion, up from $15.9 billion in 2024. STO Building Group saw its 2025 revenue rise to $15.6 billion, up from $12 billion in 2024.

Diving knowledge:

Mortenson continued an impressive growth streak. After gaining five spots to reach No. 22 in 2025, it climbed 12 spots in 2026 to crack the top 10. To that end, the Minneapolis-based company’s revenue in 2025 reached $10.8 billion, a sharp increase from $6.7 billion in 2024, according to the report.

A combination of two big names also led to a company climbing the ranks. In 2024, Flatiron and Dragados, previously ranked Nos. 51 and 37, respectively, combined to form FlatironDragadosbased in Atlanta. The $7 billion in 2025 revenue for the infrastructure giant placed it at No. 25 on the list.

Several companies in the top 10, including Bechtel, HITT Contracting and Mortenson, also appeared on Forbes’ recent list of 100 Largest Family Businesses in the US along with other companies adjacent to the construction.

Other companies that climbed five or more places within the top 50 on the list include:

• Boston-based Suffolk, up to No. 23 from No. 28
• Dallas-based Balfour Beatty US to No.27 from No.32.
• Tutor Perini, based in Los Angeles, to No. 28 from No. 33.
• Gray, based in Lexington, Ky., to No. 30 from No. 36.
• Minneapolis-based Ryan Cos. to No. 33 from No. 43.
• Kansas City, Mo.-based Burns & McDonnell to No. 35 from No. 42.
• Chicago-based Clune Construction, to No. 45 from No. 58.
• Portland, Ore.-based Fortis Construction to No. 46 from No. 57.
• Haskell, based in Jacksonville, Fla., to No. 50 from No. 59.

Meanwhile, companies in the top 50 that dropped five or more places year-over-year include:

• New York City-based Skanska USA dropped to No. 17 from No. 12.
• Lake Oswego, Ore.-based Hoffman Construction to No. 31 from No. 26.
• Arco Construction, based in St. Louis, up to No. 34 from No. 29.
• Alberici-Flintco, based in St. Louis, from #34 to #40.
• Dallas-based Austin Industries, up to No. 41 from No. 31.

The listing comes amid a tale of two markets: data centers and everything else. On the one hand, the artificial intelligence boom has kept builders busy: Turner Construction, for example, hit record revenue in 2025 as a result of the sector’s business.

In fact, building data centers almost exclusively with planning in March, which mainly helped the builders involved in these projects. However, for those outside of the data center realm, progress was flatter.

Other issues also present challenges. Tariffs, the war in Iran, raw material prices and the ever-present shortage of skilled labor have left contractors facing numerous obstacles simultaneously.

For example, even com public builders minimize the effects of warentry prices have increased more over the past four months than they have had in the last three years, according to data from builders and associated contractors.

See the chart below for the top 10 commercial contractors: