Global AEC sector transformation lurches forward in another consecutive year of growth for ENR’s Top 225 International Design Firms—driven by energy transition and more intense geopolitical and climate-linked challenges. As firms innovate to stay competitive, revenue numbers reveal how domestic and overseas markets are shifting.

2025 ENR Top 225 International Design Firms: Global Innovation Demands Grow
More detailed information on ENR's Top 150 Global Design Firms:
View complete list with revenue and market data
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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 according to revenue for design services performed in 2024 in $ millions (*). Those with subsidiaries are indicated by (†). For information on subsidiaries and where each firm worked outside of the U.S., see www.enr. com. **Firms not ranked last year. Some markets may not add up to 100% due to omission of “other” miscellaneous market category and rounding. NA-Not available.
Key to type of firm A-architect; E-engineer; EC-engineer-contractor; AE-architect-engineer; EA-engineer-architect; ENV-environmental; GE-geotechnical engineer; L-landscape architect; P-planner; O-other. Other combinations possible. Firms classified themselves.
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| RANK 2025 |
RANK 2024 |
FIRM | FIRM TYPE |
|---|---|---|---|
| 1 | 1 | Power Construction Corp. of China, Beijing, China† | EC |
| 2 | 2 | China Energy Engineering Corp. Ltd., Beijing, China† | EC |
| 3 | 4 | WSP Global Inc., Montreal, Quebec, Canada† | E |
| 4 | 5 | AECOM, Dallas, Texas, U.S.A. | M |
| 5 | 3 | Jacobs Solutions Inc., Dallas, Texas, U.S.A. | M |
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