| Rank | Company | 2012 Total Revenue ($) |
| 1 | Fluor | $221,231,200 |
| 2 | Arup | $149,738,587 |
| 3 | Affiliated Engineers | $105,503,000 |
| 4 | WSP USA | $105,362,352 |
| 5 | KPFF Consulting Engineers | $91,000,000 |
| 6 | Syska Hennessy Group | $82,097,502 |
| 7 | Henderson Engineers | $63,485,775 |
| 8 | Smith Seckman Reid | $52,919,312 |
| 9 | KJWW Engineering Consultants | $51,092,154 |
| 10 | Vanderweil Engineers | $50,552,200 |
| 11 | TTG | $49,968,167 |
| 12 | Glumac | $47,967,000 |
| 13 | Bard, Rao + Athanas Consulting Engineers | $41,500,000 |
| 14 | Rolf Jensen & Associates | $40,000,000 |
| 15 | Coffman Engineers | $39,100,000 |
| 16 | Environmental Systems Design | $38,763,000 |
| 17 | Magnusson Klemencic Associates | $37,462,767 |
| 18 | M-E Engineers | $35,400,000 |
| 19 | TLC Engineering for Architecture | $34,295,957 |
| 20 | RMF Engineering Design | $32,300,000 |
| 21 | RDK Engineers | $31,201,000 |
| 22 | Walter P Moore | $29,092,693 |
| 23 | H.F. Lenz | $26,991,500 |
| 24 | Interface Engineering | $25,193,936 |
| 25 | Degenkolb Engineers | $25,127,432 |
| 26 | CCRD Partners | 25,100,000 |
| 27 | Mazzetti | 24,895,804 |
| 28 | Robins & Morton | 24,500,000 |
| 29 | M/E Engineering | 22,687,000 |
| 30 | Aon Fire Protection Engineering | 22,510,728 |
| 31 | Heapy Engineering | 22,116,941 |
| 32 | Sparling | 20,282,073 |
| 33 | Haynes Whaley Associates | 19,907,949 |
| 34 | Newcomb & Boyd | 18,617,195 |
| 35 | KCI Technologies | 18,032,000 |
| 36 | Bridgers & Paxton Consulting Engineers | 16,868,884 |
| 37 | GHT Limited | 16,834,469 |
| 38 | Bala Consulting Engineers | 16,430,000 |
| 39 | French & Parrello Associates | 15,903,300 |
| 40 | ThermalTech Engineering | 15,500,000 |
| 41 | Joseph R. Loring & Associates | 15,000,000 |
| 42 | KLH Engineers | 14,072,830 |
| 43 | Dunham Associates | 14,000,000 |
| 44 | Wallace Engineering | 13,350,000 |
| 45 | P2S Engineering | 12,962,044 |
| 46 | Karpinski Engineering | 12,076,943 |
| 47 | Peter Basso Associates | 11,016,000 |
| 48 | Rist-Frost-Shumway Engineering | 9,300,000 |
| 49 | CTLGroup | 9,000,000 |
| 50 | Allen & Shariff | 8,500,000 |
| 51 | Wick Fisher White | 8,126,951 |
| 52 | Brinjac Engineering | 6,890,645 |
| 53 | OLA Consulting Engineers | 5,500,000 |
| 54 | Eaton Energy Solutions | 4,430,095 |
| 55 | Kamm Consulting | 3,681,775 |
| 56 | FBA Engineering | 3,360,000 |
| 57 | Apogee Consulting Group | 3,331,300 |
| 58 | G&W Engineering | 2,408,800 |
| 59 | Total Building Commissioning | 616,878 |
| 60 | Yates Cos., The | 400,000 |
| 61 | Weis Builders | 300,000 |
Related Stories
| Sep 1, 2016
CULTURAL SECTOR GIANTS: A ranking of the nation's top cultural sector design and construction firms
Gensler, Perkins+Will, PCL Construction Enterprises, Turner Construction Co., AECOM, and WSP | Parsons Brinckerhoff top Building Design+Construction’s annual ranking of the nation’s largest cultural sector AEC firms, as reported in the 2016 Giants 300 Report.
Sports and Recreational Facilities | Sep 1, 2016
U.S. Open stadium’s new retractable roof showcases innovative problem solving in its design and engineering
Mushy ground and indoor condensation were just two of the issues this $150 million project presented to its Building Team.
| Sep 1, 2016
COURTHOUSE GIANTS: A ranking of the nation's top courthouse design and construction firms
DLR Group, NBBJ, Hensel Phelps, Sundt Construction, AECOM, and Dewberry top Building Design+Construction’s annual ranking of the nation’s largest courthouse sector AEC firms, as reported in the 2016 Giants 300 Report.
Airports | Aug 31, 2016
Aircraft manufacturing facility innovation from The Austin Company
Austin’s many innovations contributed to the success of our clients by enabling them to operate in more efficient environments, optimize the flexibility of their operations, and meet aggressive schedules.
| Aug 30, 2016
CONVENTION CENTER GIANTS: A ranking of the nation's top convention center sector design and construction firms
Gensler, LMN Architects, AECOM, Turner Construction Co., and WSP | Parsons Brinckerhoff top Building Design+Construction’s annual ranking of the nation’s largest convention center sector AEC firms, as reported in the 2016 Giants 300 Report.
BIM and Information Technology | Aug 30, 2016
BIM GIANTS: A ranking of the nation's top BIM design and construction firms
HOK, Perkins+Will, Turner Construction Co., The Whiting-Turner Contracting Co., Jacobs, and Thornton Tomasetti top Building Design+Construction’s annual ranking of the nation’s largest BIM AEC firms, as reported in the 2016 Giants 300 Report.
Great Solutions | Aug 23, 2016
11 great solutions for the commercial construction market
A roll-up emergency department, next-gen telemedicine center, and biophilic cooling pods are among the AEC industry’s clever ideas and novel innovations for 2016.
Glass and Glazing | Aug 22, 2016
Tianmen Mountain glass skywalk opens to the public
Acrophobics beware: China’s Zhangjiajie National Forest Park just got a little bit (or a lot) more terrifying.
Sports and Recreational Facilities | Aug 22, 2016
The Hills of Governors Island reach completion one year ahead of schedule
The man made hills are the latest attraction to open on the island that has been under development since 2006.
| Aug 19, 2016
RECONSTRUCTION GIANTS: Facelifts give buildings new identities, even as they keep a few wrinkles
Reconstruction is always a balancing act between the client’s pro forma and what the building needs to be vibrant again.
