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.
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Top 70 Science + Technology Facility Engineering Firms for 2023 | ||
 | FIRM | 2022 REVENUE |
1 | Jacobs | $1,736,200,000 |
2 | Fluor | $171,982,522 |
3 | SSOE | $81,768,181 |
4 | Tetra Tech High Performance Buildings Group | $70,339,644 |
5 | Affiliated Engineers | $68,918,572 |
6 | Burns & McDonnell | $44,319,142 |
7 | CRB Group | $28,907,789 |
8 | WSP | $28,665,654 |
9 | Salas O'Brien | $28,537,000 |
10 | Vanderweil Engineers | $27,600,300 |
11 | Alfa Tech Consulting Engineers | $25,200,000 |
12 | BR+A | $20,000,000 |
13 | IMEG | $17,775,400 |
14 | EXP | $15,662,000 |
15 | Jaros, Baum & Bolles | $15,153,520 |
16 | Arup | $14,078,201 |
17 | KPFF Consulting Engineers | $13,822,384 |
18 | BKF Engineers | $12,407,253 |
19 | RMF Engineering | $12,000,000 |
20 | AKF | $9,001,223 |
21 | Thornton Tomasetti | $8,875,263 |
22 | Syska Hennessy Group | $8,746,133 |
23 | CDM Smith | $7,630,836 |
24 | NV5 Global | $6,569,150 |
25 | Dunham Associates | $5,590,000 |
26 | Bala Consulting Engineers | $5,060,000 |
27 | Langan | $5,000,000 |
28 | PS&S | $4,445,339 |
29 | Newcomb & Boyd | $3,548,230 |
30 | Bridgers & Paxton Consulting Engineers | $3,337,060 |
31 | M/E Engineering | $3,050,000 |
32 | Bennett & Pless | $2,695,325 |
33 | Dewberry | $2,515,269 |
34 | Highland Associates | $2,400,000 |
35 | Mazzetti | $2,258,452 |
36 | Martin/Martin | $2,179,778 |
37 | DH Engineering | $2,044,133 |
38 | McKinstry | $2,000,000 |
-- | Hixson Architecture, Engineering, Interiors | $2,000,000 |
40 | Henderson Engineers | $1,860,167 |
41 | CMTA | $1,856,558 |
42 | I.C. Thomasson Associates | $1,750,000 |
43 | DeSimone Consulting Engineering | $1,498,459 |
44 | Farnsworth Group | $1,406,507 |
45 | Heapy | $1,366,403 |
46 | Walter P Moore | $1,235,929 |
47 | P2S | $943,851 |
48 | Smith Seckman Reid (SSR) | $757,717 |
49 | Specialized Engineering Solutions | $750,000 |
50 | Interface Engineering | $746,941 |
51 | ME Engineers | $700,000 |
52 | Henderson Building Solutions | $686,779 |
53 | Osborn Engineering | $650,000 |
54 | Arora Engineers | $631,894 |
55 | SSC Engineering | $627,000 |
56 | Teecom | $505,190 |
57 | Wiss, Janney, Elstner Associates | $500,000 |
58 | ESD (now Stantec Consulting Services, Inc.) | $452,424 |
59 | Karpinski Engineering | $400,000 |
60 | KCI Technologies | $389,791 |
61 | Kohrs Lonnemann Heil Engineers (KLH) | $353,866 |
62 | TLC Engineering Solutions | $304,243 |
63 | JQ Engineering | $288,539 |
64 | PCS Structural Solutions | $269,217 |
65 | Kohler Ronan | $228,817 |
66 | PBS Engineers | $225,000 |
67 | Wallace Design Collective | $200,000 |
68 | Wick Fisher White | $151,749 |
69 | DLZ Corporation | $50,135 |
70 | EVstudio | $50,000 |
71 | H.F. Lenz | $22,680 |
72 | JP Harvey Engineering Solutions | $20,100 |
73 | Magnusson Klemencic Associates | $15,515 |
74 | French & Parrello Associates | $11,225 |
75 | Davis, Bowen & Friedel | $3,311 |
Source: 2023 Giants 400 ReportÂ
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2023 GIANTS 400 REPORT - TOP ARCHITECTURE FIRMS, ENGINEERING FIRMS, AND CONSTRUCTION COMPANIES
A. Top 175 Architecture FirmsÂ
B. Top 115 Architecture/Engineering (AE)Â FirmsÂ
C. Top 75 Engineering FirmsÂ
D. Top 35 Engineering/Architecture (EA) FirmsÂ
E. Top 150 Contractors            Â
F. Top 80 Construction Management Firms           Â
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2023 GIANTS 400 REPORT - TOP AEC FIRMS BY BUILDING SECTOR AND SPECIALTY RANKINGS Â Â Â Â Â Â Â Â Â Â Â Â
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+CMÂ Firms.
01. Airport TerminalsÂ
• Top 65 Airport Terminal Architecture and AE FirmsÂ
• Top 65 Airport Terminal Engineering and EA FirmsÂ
• Top 60 Airport Terminal Contractors and CM FirmsÂ
02. Convention Centers/Conference CentersÂ
• Top 40 Convention Center Architecture + AE Firms
• Top 30 Convention Center Engineering + EA FirmsÂ
• Top 20 Convention Center Contractors + CM Firms
03. Cultural Facilities – All Cultural Facilities Work  Â
• Top 110 Cultural Facilities Architecture and AE Firms – All Cultural Facilities WorkÂ
• Top 60 Cultural Facilities Engineering and EA Firms – All Cultural Facilities WorkÂ
• Top 65 Cultural Facilities Contractors and CM Firms – All Cultural Facilities WorkÂ
04. Cultural Facilities – Museums and GalleriesÂ
• Top 70 Cultural Facilities Architecture and AE Firms – Museums and GalleriesÂ
• Top 40 Cultural Facilities Engineering and EA Firms – Museums and GalleriesÂ
• Top 40 Cultural Facilities Contractors and CM Firms – Museums and Galleries
05. Cultural Facilities – Performing Arts and Concert VenuesÂ
• Top 60 Cultural Facilities Architecture and AE Firms – Performing Arts and Concert VenuesÂ
• Top 40 Cultural Facilities Engineering and EA Firms – Performing Arts and Concert VenuesÂ
• Top 35 Cultural Facilities Contractors and CM Firms – Performing Arts and Concert Venues
06. Cultural Facilities – Public LibrariesÂ
• Top 50 Cultural Facilities Architecture and AE Firms – Public LibrariesÂ
• Top 30 Cultural Facilities Engineering and EA Firms – Public LibrariesÂ
• Top 20 Cultural Facilities Contractors and CM Firms – Public Libraries
07. Data Centers      Â
• Top 30 Data Center Sector Architecture and AE FirmsÂ
• Top 60 Data Center Sector Engineering and EA FirmsÂ
• Top 50 Data Center Sector Contractors and CM Firms
08. Design-Build WorkÂ
• Top 90 Design-Build Construction Firms
09. Government - All Government Buildings WorkÂ
• Top 170 Government Sector Architecture + AE Firms - All Government WorkÂ
• Top 90 Government Sector Engineering + EA Firms - All Government WorkÂ
• Top 100 Government Sector Contractors + CM Firms - All Government Work
10. Government - Federal Civilian GovernmentÂ
• Top 70 Federal Government Architecture + AE Firms Â
• Top 60 Federal Government Engineering + EA Firms Â
• Top 50 Federal Government Contractors + CM FirmsÂ
11. Government - Local Government BuildingsÂ
• Top 150 Local Government Architecture + AE Firms Â
• Top 80 Local Government Engineering + EA Firms Â
• Top 80 Local Government Contractors + CM FirmsÂ
12. Government - State Government BuildingsÂ
• Top 90 State Government Architecture + AE Firms Â
• Top 50 State Government Engineering + EA Firms Â
• Top 50 State Government Contractors + CM Firms
13. Government - MilitaryÂ
• Top 40 Military Facility Architecture + AE Firms Â
• Top 50 Military Facility Engineering + EA Firms Â
• Top 35 Military Facility Contractors + CM FirmsÂ
14. Government - Veterans Administration FacilitiesÂ
• Top 35 Veterans Affairs (VA) Facility Architecture + AE Firms Â
• Top 20 Veterans Affairs (VA) Facility Engineering + EA Firms Â
• Top 15 Veterans Affairs (VA) Facility Contractors + CM Firms
15. Healthcare – All Healthcare Facilities WorkÂ
• Top 175 Healthcare Sector Architecture and AE FirmsÂ
• Top 90 Healthcare Sector Engineering and EA FirmsÂ
• Top 115 Healthcare Sector Contractors and CM Firms   Â
16. Healthcare – HospitalsÂ
• Top 130 Hospital Facility Architecture and AE FirmsÂ
• Top 80 Hospital Facility Engineering and EA FirmsÂ
• Top 90 Hospital Facility Contractors and CM FirmsÂ
17. Healthcare – Medical Office Buildings, Dental OfficesÂ
• Top 110 Medical Office Building Architecture and AE FirmsÂ
• Top 50 Medical Office Building Engineering and EA FirmsÂ
• Top 70 Medical Office Building Contractors and CM Firms
18. Healthcare – Outpatient Facilities Â
• Top 100 Outpatient Facility Architecture and AE FirmsÂ
• Top 40 Outpatient Facility Engineering and EA FirmsÂ
• Top 60 Outpatient Facility Contractors and CM Firms
19. Hospitality – All Hospitality Facilities Work (Hotels, Resorts, Casinos)Â
• Top 130 Hospitality Facility Sector Architecture and AE FirmsÂ
• Top 75 Hospitality Facility Engineering and EA FirmsÂ
• Top 80 Hospitality Facility Contractors and CM Firms
20. Hospitality — Hotel, ResortsÂ
• Top 120 Hotel Sector Architecture and AE Firms
• Top 70 Hotel and Resort Engineering and EA FirmsÂ
• Top 80 Hotel and Resort Contractors and CM Firms
21. Hospitality — CasinosÂ
• Top 10 Casino Architecture and AE FirmsÂ
• Top 25 Casino Engineering and EA FirmsÂ
• Top 25 Casino Contractors and CM FirmsÂ
22. Industrial Buildings — Manufacturing Plants, WarehousesÂ
• Top 100 Industrial Facility Architecture and AE FirmsÂ
• Top 90 Industrial Facility Engineering and EA FirmsÂ
• Top 100 Industrial Facility Contractors and CM FirmsÂ
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23. Integrated Project Delivery (IPD)Â
• Top 20 Integrated Project Delivery (IPD) Construction Firms
24. Multifamily — All Multifamily Facilities WorkÂ
Top 190 Multifamily Sector Architecture and AE Firms — All Multifamily Facilities WorkÂ
Top 75 Multifamily Sector Engineering and EA Firms — All Multifamily Facilities WorkÂ
Top 115 Multifamily Sector Contractors and CM Firms — All Multifamily Facilities Work
25. Multifamily — Apartments, CondominiumsÂ
Top 160 Multifamily Sector Architecture and AE Firms — Apartments, Condominiums WorkÂ
Top 70 Multifamily Sector Engineering and EA Firms — Apartments, Condominiums WorkÂ
Top 100 Multifamily Sector Contractors and CM Firms — Apartments, Condominiums Work
26. Multifamily — Senior Living FacilitiesÂ
Top 80 Multifamily Sector Architecture and AE Firms — Senior Living FacilitiesÂ
Top 40 Multifamily Sector Engineering and EA Firms — Senior Living FacilitiesÂ
Top 60 Multifamily Sector Contractors and CM Firms — Senior Living Facilities
27. Multifamily — Student Housing FacilitiesÂ
Top 90 Multifamily Sector Architecture and AE Firms — Student Housing FacilitiesÂ
Top 30 Multifamily Sector Engineering and EA Firms — Student Housing FacilitiesÂ
Top 40 Multifamily Sector Contractors and CM Firms — Student Housing Facilities
28. Office — All Office Building Work            Â
• Top 200 Office Sector Architecture and AE FirmsÂ
• Top 90 Office Sector Engineering and EA FirmsÂ
• Top 120 Office Sector Contractors and CM Firms
29. Office — Buildings/Core+Shell Â
• Top 140 Office Building Core+Shell Architecture + AE Firms Â
• Top 80 Office Building Core+Shell Engineering + EA FirmsÂ
• Top 100 Office Building Core+Shell Contractors and CM Firms
30. Office — Workplace/Interior Fitouts Â
• Top 160 Workplace/Interior Fitout Architecture and AE FirmsÂ
• Top 50 Workplace/Interior Fitout Engineering and EA FirmsÂ
• Top 80 Workplace/Interior Fitout Contractors and CM Firms
31. Parking StructuresÂ
• Top 60 Parking Structure Architecture and AE Firms Â
• Top 45 Parking Structure Engineering and EA FirmsÂ
• Top 55 Parking Structure Contractors + CM FirmsÂ
32. Public Safety/Justice FacilitiesÂ
• Top 90 Justice Facility/Public Safety Sector Architecture and AE FirmsÂ
• Top 60 Justice Facility/Public Safety Sector Engineering and EA FirmsÂ
• Top 50 Justice Facility/Public Safety Contractors + CM Firms
33. Reconstruction WorkÂ
• Top 200 Reconstruction Sector Architecture and AE FirmsÂ
• Top 70 Reconstruction Sector Engineering and EA FirmsÂ
• Top 140 Reconstruction Sector Contractors + CM Firms
34. Religious Structures/Places of WorshipÂ
• Top 80 Religious Facility Architecture and AE FirmsÂ
• Top 50 Religious Facility Engineering and EA FirmsÂ
• Top 40 Religious Facility Contractors + CM FirmsÂ
35. Retail — All Retail Buildings Work        Â
• Top 140 Retail Sector Architecture and AE Firms — All Retail Buildings WorkÂ
• Top 75 Retail Sector Engineering and EA Firms — All Retail Buildings WorkÂ
• Top 80 Retail Sector Contractors and CM Firms — All Retail Buildings Work
36. Retail — Entertainment Centers, Cineplexes, Theme ParksÂ
• Top 30 Retail Architecture and AE Firms — Entertainment Centers, Cineplexes, Theme ParksÂ
• Top 40 Retail Engineering and EA Firms — Entertainment Centers, Cineplexes, Theme ParksÂ
• Top 40 Retail Contractors and CM Firms — Entertainment Centers, Cineplexes, Theme Parks
37. Retail — Malls, Big Box Stores, Strip CentersÂ
• Top 90 Retail Architecture and AE Firms - Malls, Big Box Stores, Strip CentersÂ
• Top 60 Retail Engineering and EA Firms — Malls, Big Box Stores, Strip CentersÂ
• Top 60 Retail Contractors and CM Firms — Malls, Big Box Stores, Strip Centers
38. Retail — RestaurantsÂ
• Top 90 Retail Architecture and AE Firms — RestaurantsÂ
• Top 40 Retail Engineering and EA Firms — RestaurantsÂ
• Top 40 Retail Contractors and CM Firms — Restaurants
39. Science & Technology (S+T) Facilities - All S+T Buildings WorkÂ
• Top 100 Science + Technology Facility Architecture and AE FirmsÂ
• Top 70 Science + Technology Facility Engineering and EA FirmsÂ
• Top of 80 Science + Technology Facility Contractors and CM FirmsÂ
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40. Science & Technology — LaboratoriesÂ
• Top 100 Laboratory Facility Architecture and AE FirmsÂ
• Top 60 Laboratory Facility Engineering and EA FirmsÂ
• Top 55 Laboratory Facility Contractors and CM Firms        Â
41. Schools — PK-12, Public, Private, Charter, MilitaryÂ
• Top 170 K-12 School Sector Architecture and AE FirmsÂ
• Top 80 K-12 School Sector Engineering and EA FirmsÂ
• Top 100 K-12 School Sector Contractors and CM Firms
42. Sports Facilities/Stadiums/Recreation Facilities Â
• Top 130 Sports Facility Architecture and AE FirmsÂ
• Top 70 Sports Facility Engineering and EA FirmsÂ
• Top 70 Sports Facility Contractors and CM Firms   Â
43. Telecommunications BuildingsÂ
• Top 10 Telecommunications Facility Sector Architecture and AE FirmsÂ
• Top 25 Telecommunications Facility Sector Engineering and EA FirmsÂ
• Top 10 Telecommunications Facilities Contractors + CM Firms
44. Transit Facilities — Bus/Rail Terminals and StationsÂ
• Top 40 Transit Facility Architecture and AE FirmsÂ
• Top 40 Transit Facility Engineering and EA FirmsÂ
• Top 25 Transit Facilities Contractors + CM Firms
45. University / College Facilities Â
• Top 170 University Sector Architecture and AE FirmsÂ
• Top 80 University Sector Engineering and EA FirmsÂ
• Top 100 University Sector Contractors and CM Firms
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PAST GIANTS 400 REPORTS
2022 Giants 400 Report
2021 Giants 400 ReportÂ
2020 Giants 400 ReportÂ
2019 Giants 300 ReportÂ
2018Â Giants 300 ReportÂ
2017Â Giants 300 Report
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