Top 60 Parking Structure Engineering Firms for 2025

Walker Consultants, Kimley-Horn, KPFF Consulting Engineers, O&S Associates, IMEG, Martin/Martin, Walter P Moore, Thornton Tomasetti, and SSOE top Building Design+Construction's ranking of the nation's largest parking structure engineering and engineering architecture (EA) firms for 2025, as reported in BD+C's 2025 Giants 400 Report.
Source David Barista, Editorial Director
March 16, 2026
Image by hakuluart from Pixabay
Image by hakuluart from Pixabay

Image by hakuluart from Pixabay

Walker Consultants, Kimley-Horn, KPFF Consulting Engineers, O&S Associates, IMEG, Martin/Martin, Walter P Moore, Thornton Tomasetti, and SSOE top Building Design+Construction's ranking of the nation's largest parking structure 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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