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Giants 400

Top 100 Design-Build Construction Firms for 2021

Clayco, Hensel Phelps, ARCO Construction Companies, Swinerton, and Ryan Companies US top the rankings of the nation's largest design-build construction firms for buildings construction work, according to BD+C's 2021 Giants 400 Report.

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Giants 400 | Aug 25, 2021

Top 75 Engineering Firms for 2021

Kimley-Horn, WSP, Terracon, Tetra Tech, and Langan head the rankings of the nation's largest engineering firms for nonresidential buildings and multifamily buildings work, as reported in Building Design+Construction's 2021 Giants 400 Report.

Giants 400 | Aug 25, 2021

Top 95 Architecture/Engineering Firms for 2021

Stantec, HDR, HOK, and SOM top the rankings of the nation's largest architecture engineering (AE) firms for nonresidential and multifamily buildings work, as reported in Building Design+Construction's 2021 Giants 400 Report.

Giants 400 | Aug 25, 2021

Top 160 Architecture Firms for 2021

Gensler, Perkins and Will, HKS, and Perkins Eastman top the rankings of the nation's largest architecture firms for nonresidential and multifamily buildings work, as reported in Building Design+Construction's 2021 Giants 400 Report.

Giants 400 | Aug 19, 2021

BD+C's Giants 400 Rankings

Every spring, the editors of Building Design+Construction survey the nation's largest architecture, engineering, and construction firms to identify the most prominent design and construction firms across 25 building sectors and specialty categories. Meet the Giants 400. 

Giants 400 | Aug 11, 2021

BD+C Awards Programs

Entry information and past winners for Building Design+Construction's four major awards programs: 40 Under 40, Building Team Awards, Giants 400, and Reconstruction Awards. 

University Buildings | Aug 6, 2021

Is air quality the next hot campus amenity?

New research shows that students want to be back on campus, but they—and their parents—are asking more of higher ed institutions.

Giants 400 | Mar 8, 2021

Call for surveys: 2021 Giants 400 Report

The 2021 Giants 400 Report will feature more than 130 AEC firm rankings across 25 building sectors and specialty categories.

Giants 400 | Dec 16, 2020

Download a PDF of all 2020 Giants 400 Rankings

This 70-page PDF features AEC firm rankings across 51 building sectors, disciplines, and specialty services.

Giants 400 | Dec 3, 2020

2020 Science & Technology Facilities Giants: Top architecture, engineering, and construction firms in the S+T sector

HDR, Jacobs, and Turner head BD+C's rankings of the nation's largest science and technology (S+T) facilities sector architecture, engineering, and construction firms, as reported in the 2020 Giants 400 Report.

Giants 400 | Dec 3, 2020

2020 Laboratory Facilities Sector Giants: Top architecture, engineering, and construction firms in the U.S. laboratory facilities sector

Affiliated Engineers, HDR, and Skanska top BD+C's rankings of the nation's largest laboratory facilities sector architecture, engineering, and construction firms, as reported in the 2020 Giants 400 Report.

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