Top 80 Federal Government Building Engineering Firms for 2025

Fluor, AECOM, WSP, Jacobs, Burns & McDonnell, RMF Engineering, Michael Baker International, Mason & Hanger, and Affiliated Engineers Inc. top Building Design+Construction's ranking of the nation's largest federal government building engineering and engineering architecture (EA) firms for 2025, as reported in BD+C's 2025 Giants 400 Report.
Jan. 12, 2026

Fluor, AECOM, WSP, Jacobs, Burns & McDonnell, RMF Engineering, Michael Baker International, Mason & Hanger, and Affiliated Engineers Inc. top Building Design+Construction's ranking of the nation's largest federal government building engineering and engineering architecture (EA) firms for 2025, as reported in BD+C's 2025 Giants 400 Report.

Source: Building Design+Construction's 2025 Giants 400 Report

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