| 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
Transit Facilities | Feb 12, 2015
Gensler proposes network of cycle highways in London’s unused underground
Unused tube lines would host pedestrian paths, cycle routes, cultural spaces, and retail outlets.
Healthcare Facilities | Feb 11, 2015
Primer: Using 'parallel estimating' to pinpoint costs on healthcare construction projects
As pressure increases to understand capital cost prior to the first spade touching dirt, more healthcare owners are turning to advanced estimating processes, like parallel estimating, to improve understanding of exposure, writes CBRE Healthcare's Andrew Sumner.
Transportation & Parking Facilities | Feb 11, 2015
11 of the nation’s best ‘Complete Streets’ policies of 2014
Austin, Texas, and Troy, N.Y., are among the cities with the strongest safe streets policies, according to a new report.
Sponsored | Roofing | Feb 11, 2015
New school blends with local architecture using Petersen metal roof
Perkins Eastman in Stamford, Conn., designed the school to emphasize and integrate the International Baccalaureate curriculum throughout.
Mixed-Use | Feb 11, 2015
Developer plans to turn Eero Saarinen's Bell Labs HQ into New Urbanist town center
Designed by Eero Saarinen in the late 1950s, the two-million-sf, steel-and-glass building was one of the best-funded and successful corporate research laboratories in the world.
BIM and Information Technology | Feb 10, 2015
Google's 3D scanning camera leaves the lab
Google is said to be partnering with LG to create a version of the technology for public release sometime this year.
Steel Buildings | Feb 10, 2015
Korean researchers discover 'super steel'
The new alloy makes steel as strong as titanium.
Museums | Feb 9, 2015
Herzog & de Meuron's M+ museum begins construction in Hong Kong
When completed, M+ will be one of the first buildings in the Foster + Partners-planned West Kowloon Cultural District.
Multifamily Housing | Feb 9, 2015
GSEs and their lenders were active on the multifamily front in 2014
Fannie Mae and Freddie Mac securitized more than $57 billion for 850,000-plus units.
BIM and Information Technology | Feb 8, 2015
BIM for safety: How to use BIM/VDC tools to prevent injuries on the job site
Gilbane, Southland Industries, Tocci, and Turner are among the firms to incorporate advanced 4D BIM safety assessment and planning on projects.
