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2023 Giants 400 Report: Ranking the nation's largest architecture, engineering, and construction firms

Giants 400

2023 Giants 400 Report: Ranking the nation's largest architecture, engineering, and construction firms

A record 552 AEC firms submitted data for BD+C's 2023 Giants 400 Report. The final report includes 137 rankings across 25 building sectors and specialty categories.


By BD+C Staff | August 22, 2023
2023 Giants 400 Report - Nvidia's new Voyager Building Photo: Jason O'Rear, Courtesy Teecom
Pictured: Nvidia's new 750,000-sf Voyager Building in Santa Clara, Calif. Photo: Jason O'Rear, Courtesy Teecom

Now 47 years running, Building Design+Construction's 2023 Giants 400 Report ranks the largest architecture, engineering, and construction firms in the U.S. This year a record 552 AEC firms participated in BD+C's Giants 400 report. The final report includes 137 rankings across 25 building sectors and specialty categories.   

The complete findings for the individual categories are presented below. Note: The building sector categories and specialty rankings will be posted periodically throughout August and September. 

Data for our Giants 400 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, etc.) data labeled “Construction” includes all delivery methods combined (GC, DB, CM at risk, IPD, CM agent, PM).

 

2023 GIANTS 400 - AEC DISCIPLINE RANKINGS

A. Top 175 Architecture Firms 
B. Top 115 Architecture/Engineering (AE) Firms 
C. Top 75 Engineering Firms 
D. Top 35 Engineering/Architecture (EA) Firms 
E. Top 150 Contractors                 
F. Top 80 Construction Management Firms                

 

2023 GIANTS 400 - BUILDING SECTOR AND SPECIALTY RANKINGS                 

Note: All categories below except for 08 and 23 include multiple rankings for the sector: Top Architecture+AE Firms; Top Engineering+EA Firms; and Top Contractors+CM Firms.

01. Airport Terminals 
• Top Airport Terminal Architecture and AE Firms 
• Top Airport Terminal Engineering and EA Firms 
• Top Airport Terminal Contractors and CM Firms 

02. Convention Centers/Conference Centers 
• Top Convention Center Architecture + AE Firms
• Top Convention Center Engineering + EA Firms 
• Top Convention Center Contractors + CM Firms

03. Cultural Facilities – All Cultural Facilities Work    
• Top Cultural Facilities Architecture and AE Firms – All Cultural Facilities Work 
• Top Cultural Facilities Engineering and EA Firms – All Cultural Facilities Work 
• Top Cultural Facilities Contractors and CM Firms – All Cultural Facilities Work 

04. Cultural Facilities – Museums and Galleries 
• Top Cultural Facilities Architecture and AE Firms – Museums and Galleries 
• Top Cultural Facilities Engineering and EA Firms – Museums and Galleries 
• Top Cultural Facilities Contractors and CM Firms – Museums and Galleries

05. Cultural Facilities – Performing Arts and Concert Venues 
• Top Cultural Facilities Architecture and AE Firms – Performing Arts and Concert Venues 
• Top Cultural Facilities Engineering and EA Firms – Performing Arts and Concert Venues 
• Top Cultural Facilities Contractors and CM Firms – Performing Arts and Concert Venues

06. Cultural Facilities – Public Libraries 
• Top Cultural Facilities Architecture and AE Firms – Public Libraries 
• Top Cultural Facilities Engineering and EA Firms – Public Libraries 
• Top Cultural Facilities Contractors and CM Firms – Public Libraries

07. Data Centers         
• Top Data Center Sector Architecture and AE Firms 
• Top Data Center Sector Engineering and EA Firms 
• Top Data Center Sector Contractors and CM Firms

08. Design-Build Work 
• Top Design-Build Construction Firms

09. Government - All Government Buildings Work 
• Top Government Sector Architecture + AE Firms - All Government Work 
• Top Government Sector Engineering + EA Firms - All Government Work 
• Top Government Sector Contractors + CM Firms - All Government Work

10. Government - Federal Civilian Government 
• Top Federal Government Architecture + AE Firms  
• Top Federal Government Engineering + EA Firms  
• Top Federal Government Contractors + CM Firms 

11. Government - Local Government Buildings 
• Top Local Government Architecture + AE Firms  
• Top Local Government Engineering + EA Firms  
• Top Local Government Contractors + CM Firms 

12. Government - State Government Buildings 
• Top State Government Architecture + AE Firms  
• Top State Government Engineering + EA Firms  
• Top State Government Contractors + CM Firms

13. Government - Military 
• Top Military Facility Architecture + AE Firms  
• Top Military Facility Engineering + EA Firms  
• Top Military Facility Contractors + CM Firms 

14. Government - Veterans Administration Facilities 
• Top Veterans Administration (VA) Facility Architecture + AE Firms  
• Top Veterans Administration (VA) Facility Engineering + EA Firms  
• Top Veterans Administration (VA) Facility Contractors + CM Firms

15. Healthcare – All Healthcare Facilities Work 
• Top Healthcare Sector Architecture and AE Firms 
• Top Healthcare Sector Engineering and EA Firms 
• Top Healthcare Sector Contractors and CM Firms       

16. Healthcare – Hospitals 
• Top Hospital Facility Architecture and AE Firms 
• Top Hospital Facility Engineering and EA Firms 
• Top Hospital Facility Contractors and CM Firms 

17. Healthcare – Medical Office Buildings, Dental Offices 
• Top Medical Office Building Architecture and AE Firms 
• Top Medical Office Building Engineering and EA Firms 
• Top Medical Office Building Contractors and CM Firms

18. Healthcare – Outpatient Facilities  
• Top Outpatient Facility Architecture and AE Firms 
• Top Outpatient Facility Engineering and EA Firms 
• Top Outpatient Facility Contractors and CM Firms

19. Hospitality – All Hospitality Facilities Work (Hotels, Resorts, Casinos) 
• Top Hospitality Facility Sector Architecture and AE Firms 
• Top Hospitality Facility Engineering and EA Firms 
• Top Hospitality Facility Contractors and CM Firms

20. Hospitality — Hotel, Resorts 
• Top Hotel Sector Architecture and AE Firms for 2022 
• Top Hotel and Resort Engineering and EA Firms 
• Top Hotel and Resort Contractors and CM Firms

21. Hospitality — Casinos 
• Top Casino Architecture and AE Firms 
• Top Casino Engineering and EA Firms 
• Top Casino Contractors and CM Firms 

22. Industrial Buildings — Manufacturing Plants, Warehouses 
• Top Industrial Facility Architecture and AE Firms 
• Top Industrial Facility Engineering and EA Firms 
• Top Industrial Facility Contractors and CM Firms 
        
23. Integrated Project Delivery (IPD) 
• Top Integrated Project Delivery (IPD) Construction Firms for 2022

24. Multifamily — All Multifamily Facilities Work 
Top Multifamily Sector Architecture and AE Firms — All Multifamily Facilities Work 
Top Multifamily Sector Engineering and EA Firms — All Multifamily Facilities Work 
Top Multifamily Sector Contractors and CM Firms — All Multifamily Facilities Work

25. Multifamily — Apartments, Condominiums 
Top Multifamily Sector Architecture and AE Firms — Apartments, Condominiums Work 
Top Multifamily Sector Engineering and EA Firms — Apartments, Condominiums Work 
Top Multifamily Sector Contractors and CM Firms — Apartments, Condominiums Work

26. Multifamily — Senior Living Facilities 
Top Multifamily Sector Architecture and AE Firms — Senior Living Facilities 
Top Multifamily Sector Engineering and EA Firms — Senior Living Facilities 
Top Multifamily Sector Contractors and CM Firms — Senior Living Facilities

27. Multifamily — Student Housing Facilities 
Top Multifamily Sector Architecture and AE Firms — Student Housing Facilities 
Top Multifamily Sector Engineering and EA Firms — Student Housing Facilities 
Top Multifamily Sector Contractors and CM Firms — Student Housing Facilities

28. Office — All Office Building Work                 
• Top 200 Office Sector Architecture and AE Firms 
• Top 90 Office Sector Engineering and EA Firms 
• Top 120 Office Sector Contractors and CM Firms

29. Office — Buildings/Core+Shell  
• Top Office Building Core+Shell Architecture + AE Firms  
• Top Office Building Core+Shell Engineering + EA Firms 
• Top Office Building Core+Shell Contractors and CM Firms

30. Office — Workplace/Interior Fitouts  
• Top Workplace/Interior Fitout Architecture and AE Firms 
• Top Workplace/Interior Fitout Engineering and EA Firms 
• Top Workplace/Interior Fitout Contractors and CM Firms

31. Parking Structures 
• Top Parking Structure Architecture and AE Firms  
• Top Parking Structure Engineering and EA Firms 
• Top Parking Structure Contractors + CM Firms 

32. Public Safety/Justice Facilities 
• Top Justice Facility/Public Safety Sector Architecture and AE Firms 
• Top Justice Facility/Public Safety Sector Engineering and EA Firms 
• Top Justice Facility/Public Safety Contractors + CM Firms

33. Reconstruction Work 
• Top Reconstruction Sector Architecture and AE Firms 
• Top Reconstruction Sector Engineering and EA Firms 
• Top Reconstruction Sector Contractors + CM Firms

34. Religious Structures/Places of Worship 
• Top Religious Facility Architecture and AE Firms 
• Top Religious Facility Engineering and EA Firms 
• Top Religious Facility Contractors + CM Firms 

35. Retail — All Retail Buildings Work                
• Top 140 Retail Sector Architecture and AE Firms — All Retail Buildings Work 
• Top 75 Retail Sector Engineering and EA Firms — All Retail Buildings Work 
• Top 80 Retail Sector Contractors and CM Firms — All Retail Buildings Work

36. Retail — Entertainment Centers, Cineplexes, Theme Parks 
• Top Retail Architecture and AE Firms — Entertainment Centers, Cineplexes, Theme Parks 
• Top Retail Engineering and EA Firms — Entertainment Centers, Cineplexes, Theme Parks 
• Top Retail Contractors and CM Firms — Entertainment Centers, Cineplexes, Theme Parks

37. Retail — Malls, Big Box Stores, Strip Centers 
• Top Retail Architecture and AE Firms - Malls, Big Box Stores, Strip Centers 
• Top Retail Engineering and EA Firms — Malls, Big Box Stores, Strip Centers 
• Top Retail Contractors and CM Firms — Malls, Big Box Stores, Strip Centers

38. Retail — Restaurants 
• Top Retail Architecture and AE Firms — Restaurants 
• Top Retail Engineering and EA Firms — Restaurants 
• Top Retail Contractors and CM Firms — Restaurants

39. Science & Technology (S+T) Facilities - All S+T Buildings Work 
• Top Science + Technology Facility Architecture and AE Firms 
• Top Science + Technology Facility Engineering and EA Firms 
• Top Science + Technology Facility Contractors and CM Firms 
           
40. Science & Technology — Laboratories 
• Top Laboratory Facility Architecture and AE Firms 
• Top Laboratory Facility Engineering and EA Firms 
• Top Laboratory Facility Contractors and CM Firms              

41. Schools — PK-12, Public, Private, Charter, Military 
• Top K-12 School Sector Architecture and AE Firms 
• Top K-12 School Sector Engineering and EA Firms 
• Top K-12 School Sector Contractors and CM Firms

42. Sports Facilities/Stadiums/Recreation Facilities  
• Top Sports Facility Architecture and AE Firms 
• Top Sports Facility Engineering and EA Firms 
• Top Sports Facility Contractors and CM Firms      

43. Telecommunications Buildings 
• Top Telecommunications Facility Sector Architecture and AE Firms 
• Top Telecommunications Facility Sector Engineering and EA Firms 
• Top Telecommunications Facilities Contractors + CM Firms

44. Transit Facilities — Bus/Rail Terminals and Stations 
• Top Transit Facility Architecture and AE Firms 
• Top Transit Facility Engineering and EA Firms 
• Top Transit Facilities Contractors + CM Firms

45. University / College Facilities  
• Top University Sector Architecture and AE Firms 
• Top University Sector Engineering and EA Firms 
• Top University Sector Contractors and CM Firms

 

PAST GIANTS 400 REPORTS

2022 Giants 400 Report
2021 Giants 400 Report 
2020 Giants 400 Report 
2019 Giants 300 Report 
2018 Giants 300 Report 
2017 Giants 300 Report

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