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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 | Oct 17, 2017

Top 60 office engineering firms

AECOM, WSP, and Thornton Tomasetti top BD+C’s ranking of the nation’s largest office sector engineering and EA firms, as reported in the 2017 Giants 300 Report.

Giants 400 | Oct 17, 2017

Top 110 office architecture firms

Gensler, Jacobs, and HOK top BD+C’s ranking of the nation’s largest office sector architecture and AE firms, as reported in the 2017 Giants 300 Report.

Giants 400 | Oct 16, 2017

Data center market forecast: Clearly cloudy

Look for mission-critical construction to double in the next few years.

Giants 400 | Oct 12, 2017

Top 30 data center engineering firms

Syska Hennessy Group, AECOM, and Morrison Hershfield top BD+C’s ranking of the nation’s largest data center sector engineering and EA firms, as reported in the 2017 Giants 300 Report.

Giants 400 | Oct 11, 2017

Top 25 data center architecture firms

Jacobs, Corgan, and Gensler top BD+C’s ranking of the nation’s largest data center sector architecture and AE firms, as reported in the 2017 Giants 300 Report.

Giants 400 | Oct 9, 2017

Job-ready learning: The newest K-12 schools nudge students toward careers

Some long-term K-12 trends—like beefing up safety and security, and designing for more natural light and outdoor learning space—are still in vogue.

Giants 400 | Oct 9, 2017

Top 80 K-12 construction firms

Gilbane Building Co., Balfour Beatty US, and Skanska USA top BD+C’s ranking of the nation’s largest K-12 sector contractors and construction management firms, as reported in the 2017 Giants 300 Report.

Giants 400 | Oct 6, 2017

Top 40 K-12 engineering firms

AECOM, IMEG/KJWW/TTG, and STV top BD+C’s ranking of the nation’s largest K-12 sector engineering and EA firms, as reported in the 2017 Giants 300 Report.

Giants 400 | Oct 6, 2017

Top 90 K-12 architecture firms

Stantec, DLR Group, and PBK top BD+C’s ranking of the nation’s largest K-12 sector architecture and AE firms, as reported in the 2017 Giants 300 Report.

Giants 400 | Oct 5, 2017

On wings of gold: Alternative financing schemes are propelling the high-flyin’ air terminals sector

The $4 billion renovation of New York City’s LaGuardia Airport is the first major U.S. aviation project delivered using a public-private partnership (P3) model.

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