2013 Giants 300 Report

The editors of Building Design+Construction magazine present the findings of our annual Giants 300 Report, which ranks the leading firms in the AEC industry for building-type revenue, green building work, BIM revenue, number of green accredited professionals, and more.

Data for our Giants 300 charts is based on information supplied by the respective firms. Firms are asked to verify the accuracy of their data.

The Construction section includes two types of statistics. The Contractors chart reflects revenues for general contracting, design-build, CM at risk, and IPD—projects where all revenues flow through the contractor. The CM Agent + PM chart lists firms that derive their revenues through fees.

In the subsequent market-specific sections (Healthcare, Data Centers, Multifamily, Government, etc.) data labeled “Construction” includes all delivery methods combined (GC, DB, CM at risk, IPD, CM agent, PM).

We'd like to thank our Giants 300 sponsors for their support of the recognition program:

Rankings By Discipline

ARCHITECTURE GIANTS (top A and AE firms) | Read Report
ENGINEERING GIANTS (top E and EA firms) | Read Report
CONSTRUCTION GIANTS (top GC and CM firms) | Read Report

Rankings by Specialty

BIM REPORT | Read Report
GREEN BUILDING SECTOR GIANTS | Read Report
INTERNATIONAL WORK REPORT | Read Report
RECONSTRUCTION SECTOR GIANTS | Read Report

Rankings by Building Sector

Turner Construction, STO Building Group, Whiting-Turner, and DPR Construction top the ranking of the nation's largest general contractors, CM at risk firms, and design-builders for nonresidential buildings and multifamily buildings work, as reported in Building Design+Construction's 2022 Giants 400 Report.

Giants 400 | Aug 22, 2022

Top 80 Engineering Firms for 2022

Kimley-Horn, Tetra Tech, Langan, and NV5 head the rankings of the nation's largest engineering firms for nonresidential buildings and multifamily buildings work, as reported in Building Design+Construction's 2022 Giants 400 Report.

Giants 400 | Aug 21, 2022

Top 110 Architecture/Engineering Firms for 2022

Stantec, HDR, HOK, and Skidmore, Owings & Merrill 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 2022 Giants 400 Report.

Giants 400 | Aug 20, 2022

Top 180 Architecture Firms for 2022

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 2022 Giants 400 Report.

2022 Giants 400 Rankings from Building Design and Construction Image courtesy SOM

Giants 400 | Aug 19, 2022

2022 Giants 400 Report: Tracking the nation's largest architecture, engineering, and construction firms

Now 46 years running, Building Design+Construction's 2022 Giants 400 Report rankings 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.