Top 65 Religious Facility Engineering Firms for 2025

KPFF Consulting Engineers, Kimley-Horn, Spectrum Engineers, Salas O'Brien, BKF Engineers, IMEG, Westwood Professional Services, and WSP top Building Design+Construction's ranking of the nation's largest religious facility engineering and engineering/architecture (EA) firms for 2025, as reported in BD+C's 2025 Giants 400 Report.
Source David Barista, Editorial Director
April 7, 2026
Photo by Sven Hornburg on Unsplash
Photo by Sven Hornburg on Unsplash

Photo by Sven Hornburg on Unsplash

KPFF Consulting Engineers, Kimley-Horn, Spectrum Engineers, Salas O'Brien, BKF Engineers, IMEG, Westwood Professional Services, and WSP top Building Design+Construction's ranking of the nation's largest religious facility 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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