| 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
| Mar 29, 2013
Top industry professionals to receive awards at NASCC: The Steel Conference
On April 17, Michael F. Engestrom, Dann H. Hall, Michael A. West, Stephen A. Mahin, Wallace W. Sanders, Jr., Mark V. Holland, Steven C. Ball, Rafael Sabelli, Judy Liu and William J. Wright will be recognized by the American Institute of Steel Construction (AISC) for their exceptional contributions to the advancement of the structural steel design and construction industry.
| Mar 29, 2013
PBS broadcast to highlight '10 Buildings That Changed America'
WTTW Chicago, in partnership with the Society of Architectural Historians, has produced "10 Builidngs That Changed America," a TV show set to air May 12 on PBS.
| Mar 29, 2013
Shenzhen projects halted as Chinese officials find substandard concrete
Construction on multiple projects in Guangdong Province—including the 660-m Ping'an Finance Center—has been halted after inspectors in Shenzhen, China, have found at least 15 local plants producing concrete with unprocessed sea sand, which undermines building stabity.
| Mar 29, 2013
Pearce Brinkley Cease + Lee joins Clark Nexsen
Clark Nexsen, PC, headquartered in Norfolk, Va., has announced that the architecture firm Pearce Brinkley Cease + Lee (PBC+L) of Raleigh and Asheville, NC, has officially joined Clark Nexsen.
| Mar 29, 2013
Cuningham Group acquires NTD's healthcare practice, expands into key markets
The international design firm Cuningham Group Architecture, Inc. has announced that NTD Healthcare has the joined the company in a strategic expansion. A practice of NTD Architecture, NTD Healthcare joins Cuningham Group with three principals: Wayne Hunter, AIA, NCARB, ACHA and Phillip T. Soule, III, AIA, ACHA in San Diego, along with Maha Abou-Haidar, AIA in Phoenix.
| Mar 27, 2013
Small but mighty: Berkeley public library’s net-zero gem
The Building Team for Berkeley, Calif.’s new 9,500-sf West Branch library aims to achieve net-zero—and possibly net-positive—energy performance with the help of clever passive design techniques.
| Mar 27, 2013
RSMeans cost comparisons: college labs, classrooms, residence halls, student unions
Construction market analysts from RSMeans offer construction costs per square foot for four building types across 25 metro markets.
| Mar 26, 2013
Will Google Glass revolutionize the construction process?
An Australian architect is exploring the benefits of augmented reality in the design and construction process.
| Mar 24, 2013
World's tallest data center opens in New York
Sabey Data Center Properties last week celebrated the completion of the first phase of an adaptive reuse project that will transform the 32-story Verizon Building in Manhattan into a data center facility. When the project is completed, it will be the world's tallest data center.
