| 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
Codes and Standards | Apr 6, 2015
Industry groups petition for change order reform on federal projects
Nine design and construction associations ask for assurance that funds available for additional work.
BIM and Information Technology | Apr 3, 2015
French startup develops drone camera that overlays video with 3D images
The new drones can capture video and overlay the shot results with 3D images and augmented reality remotely.
Contractors | Apr 1, 2015
ABC: Nonresidential construction spending flat in February
The Associated Builders and Contractors forecasts a robust nonresidential construction spending recovery in 2015, despite an underwhelming start.
Office Buildings | Apr 1, 2015
IBM's supercomputer Watson finds new home in Manhattan's Silicon Alley
The new headquarters for the former Jeopardy champ was conceived as a showcase for Watson’s capabilities, and as an inspirational workspace for Millennials and idea generators of all ages.
Sponsored | Fire and Life Safety | Apr 1, 2015
Radiant Heat: The Invisible Killer
Where there’s smoke, there’s fire. Where there’s fire, there’s the deadly threat of radiant heat.
Structural Materials | Mar 30, 2015
12 projects earn structural steel industry's top building award
Calatrava's soaring Innovation Science and Technology Building at Florida Polytechnic University is among the 12 projects honored by the American Institute of Steel Construction in the 2015 IDEAS² awards competition.
Cultural Facilities | Mar 30, 2015
Designs released for new entertainment center in Lubbock, Texas
Amenities of the facility include a performance venue that seats 2,220, a smaller one that seats 425, a 6,000-sf multipurpose room, and a bistro café.
Multifamily Housing | Mar 27, 2015
Bathroom fixtures get a starchitect makeover by Bjarke Ingels
This Danish starchitect elevates the toilet paper holder (and other bathroom accessories).
Architects | Mar 27, 2015
Illustrator Federico Babina explores architecture as animals
When you pay attention, the Eiffel Tower really does look like a giraffe.
Transit Facilities | Mar 25, 2015
Kengo Kuma selected to design new Paris Metro station
The new station will serve as a hub to connect Paris' northern suburbs with the core.
