Top 400 Contractor revenue rose 11.8% to $671.4 billion in 2025, propelled by a surge of data center projects that have intensified power generation and infrastructure needs in their wake. With an estimated nearly $7 trillion that cloud service providers will spend to bring their artificial intelligence operations up to speed, contractors say the ongoing AI boom is a big opportunity for construction.
The table below shows only rankings and firm name. For complete data from the Top 400 Contractors list see the following links.

View complete list with revenue and market data
Current Top 400 Contractors Story:
Top 400 Contractors Hit Craft Ceiling as AI Boom Strains Skilled Labor Resources
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2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003
Companies are ranked by construction revenue in 2025 in ($) millions. Those with subsidiaries (†) are listed by company rank, which may be found on the ENR website at www.ENR.com. Firms not ranked last year are designated as **. Some markets may not add up to 100% due to omission of the “other” miscellaneous market category. NA = “not available.”
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| RANK 2026 | RANK 2025 | FIRM |
|---|---|---|
| 1 | 1 | Turner Construction Co., New York City, N.Y.† |
| 2 | 2 | Bechtel, Reston, Va. |
| 3 | 6 | STO Building Group, New York, N.Y.† |
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