| 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
Office Buildings | Dec 12, 2023
Transforming workplaces for employee mental health
Lauren Elliott, Director of Interior Design, Design Collaborative, shares practical tips and strategies for workplace renovation that prioritizes employee mental health.
Giants 400 | Dec 11, 2023
Top 80 Local Government Building Engineering Firms for 2023
AECOM, Arup, KPFF Consulting Engineers, and WSP head BD+C's ranking of the nation's largest local government building engineering and engineering/architecture (EA) firms for 2023, as reported in Building Design+Construction's 2023 Giants 400 Report.
Giants 400 | Dec 11, 2023
Top 50 State Government Building Engineering Firms for 2023
AECOM, EXP, Arup, and PRIME AE Group top BD+C's ranking of the nation's largest state government building engineering and engineering/architecture (EA) firms for 2023, as reported in Building Design+Construction's 2023 Giants 400 Report.
Codes and Standards | Dec 11, 2023
Washington state tries new approach to phase out fossil fuels in new construction
After pausing a heat pump mandate earlier this year after a federal court overturned Berkeley, Calif.’s ban on gas appliances in new buildings, Washington state enacted a new code provision that seems poised to achieve the same goal.
Green | Dec 11, 2023
U.S. has tools to meet commercial building sector decarbonization goals early
The U.S. has the tools to reduce commercial building-related emissions to reach target goals in 2029, earlier than what it committed to when it signed the Paris Agreement, according to a report by the U.S. Green Building Council.
MFPRO+ News | Dec 11, 2023
U.S. poorly prepared to house growing number of older adults
The U.S. is ill-prepared to provide adequate housing for the growing ranks of older people, according to a report from Harvard University’s Joint Center for Housing Studies. Over the next decade, the U.S. population older than 75 will increase by 45%, growing from 17 million to nearly 25 million, with many expected to struggle financially.
Office Buildings | Dec 11, 2023
Believe it or not, there could be a shortage of office space in the years ahead
With work-from-home firmly established, many real estate analysts predict a dramatic reduction in office space leasing and plummeting property values. But the high-end of the office segment might actually be headed for a shortage, according to real estate intelligence company CoStar Group.
University Buildings | Dec 8, 2023
Yale University breaks ground on nation's largest Living Building student housing complex
A groundbreaking on Oct. 11 kicked off a project aiming to construct the largest Living Building Challenge-certified residence on a university campus. The Living Village, a 45,000 sf home for Yale University Divinity School graduate students, “will make an ecological statement about the need to build in harmony with the natural world while training students to become ‘apostles of the environment’,” according to Bruner/Cott, which is leading the design team that includes Höweler + Yoon Architecture and Andropogon Associates.
Engineers | Dec 7, 2023
Kimley-Horn expands expertise with LPDA partnership
Kimley-Horn, a premier engineering, planning, and design consultancy, has joined forces with LPDA, a leading landscape architecture and land planning firm.
Giants 400 | Dec 5, 2023
Top 60 Federal Government Building Engineering Firms for 2023
Fluor, WSP, Jacobs, and AECOM head BD+C's ranking of the nation's largest federal government building engineering and engineering/architecture (EA) firms for 2023, as reported in Building Design+Construction's 2023 Giants 400 Report.
