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Giants 400

Call for surveys: 2024 Giants 400 Report

Building Design+Construction's annual Giants 400 Report ranks the nation's top architecture, architecture/engineering (AE), engineering/architecture (EA), general contractors, and fee-based construction management (CM) firms, by revenue. You’ll want to be sure your firm is on the Giants 400 lists, as potential clients look to these rankings for prospective firms to design and construct their future projects.


Giants 400

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.


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Building Design+Construction's Giants 400 Report ranks the largest architecture, engineering, and construction firms in the U.S. This year a record 519 AEC firms participated in BD+C's Giants 400 report. The final report includes more than 130 rankings across 25 building sectors and specialty categories. Check out the Giants 400 page.    

Giants 400 | Nov 16, 2023

Top 80 Science + Technology Facility Construction Firms for 2023

DPR Construction, Austin Industries, Whiting-Turner, and Gilbane top BD+C's ranking of the nation's largest science and technology (S+T) facility general contractors and construction management (CM) firms for 2023, as reported in Building Design+Construction's 2023 Giants 400 Report. Note: This ranking factors revenue from all science and technology (S+T) buildings work, including laboratories, research buildings, technology/innovation buildings, pharmaceutical production facilities, and semiconductor production facilities.

Giants 400 | Nov 16, 2023

Top 70 Science + Technology Facility Engineering Firms for 2023

Jacobs, Fluor, SSOE, Tetra Tech, and Affiliated Engineers head BD+C's ranking of the nation's largest science and technology (S+T) facility engineering and engineering/architecture (EA) firms for 2023, as reported in Building Design+Construction's 2023 Giants 400 Report. Note: This ranking factors revenue from all science and technology (S+T) buildings work, including laboratories, research buildings, technology/innovation buildings, pharmaceutical production facilities, and semiconductor production facilities.

Giants 400 | Nov 16, 2023

Top 100 Science + Technology Facility Architecture Firms for 2023

Gensler, HDR, Page Southerland Page, Flad Architects, and DGA top BD+C's ranking of the nation's largest science and technology (S+T) facility architecture and architecture/engineering (AE) firms for 2023, as reported in Building Design+Construction's 2023 Giants 400 Report. Note: This ranking factors revenue from all science and technology (S+T) buildings work, including laboratories, research buildings, technology/innovation buildings, pharmaceutical production facilities, and semiconductor production facilities.

Giants 400 | Nov 14, 2023

Top 50 Justice Facility Construction Firms for 2023

Turner Construction, Whiting-Turner, STO Building Group, Clark Group, and CORE Construction top BD+C's ranking of the nation's largest justice facility general contractors and construction management (CM) firms for 2023, as reported in the 2023 Giants 400 Report. Note: This ranking includes revenue from all public safety/justice facilities buildings work, including correctional facilities, fire stations, jails, police stations, and prisons.  

Giants 400 | Nov 14, 2023

Top 60 Justice Facility Engineering Firms for 2023

EXP, AECOM, IMEG, Dewberry, and Tetra Tech head BD+C's ranking of the nation's largest justice facility engineering and engineering architecture (EA) firms for 2023, as reported in the 2023 Giants 400 Report. Note: This ranking includes revenue from all public safety/justice facilities buildings work, including correctional facilities, fire stations, jails, police stations, and prisons.  

Giants 400 | Nov 14, 2023

Top 90 Justice Facility Architecture Firms for 2023

DLR Group, Stantec, HDR, HOK, and Elevatus Architecture top BD+C's ranking of the nation's largest justice facility architecture and architecture engineering (AE) firms for 2023, as reported in the 2023 Giants 400 Report. Note: This ranking includes revenue from all public safety/justice facilities buildings work, including correctional facilities, fire stations, jails, police stations, and prisons. 

Giants 400 | Nov 13, 2023

Top 60 Airport Facility Construction Firms for 2023

Hensel Phelps, Turner Construction, AECOM, and Walsh Group top BD+C's ranking of the nation's largest airport terminal and airport facilities general contractors and construction management (CM) firms for 2023, as reported in the 2023 Giants 400 Report. 

Giants 400 | Nov 13, 2023

Top 65 Airport Facility Engineering Firms for 2023

AECOM, Jacobs, Arup, Burns & McDonnell, and WSP head BD+C's ranking of the nation's largest airport terminal and airport facilities engineering and engineering architecture (EA) firms for 2023, as reported in the 2023 Giants 400 Report.

Giants 400 | Nov 13, 2023

Top 65 Airport Facility Architecture Firms for 2023

Gensler, Corgan, PGAL, and HOK top BD+C's ranking of the nation's largest airport terminal and airport facilities architecture and architecture engineering (AE) firms for 2023, as reported in the 2023 Giants 400 Report. 

Giants 400 | Nov 6, 2023

Top 65 Cultural Facility Construction Firms for 2023

Turner Construction, Clark Group, Whiting-Turner, Gilbane, and Holder Construction top BD+C's ranking of the nation's largest cultural facilities sector general contractors and construction management (CM) firms for 2023, as reported in the 2023 Giants 400 Report. Note: This ranking includes revenue from all cultural building sectors, including concert venues, art galleries, museums, performing arts centers, and public libraries. 

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