| Rank | Company | 2012 Total Revenue ($) |
| 1 | Jacobs Engineering Group | $2,715,210,000 |
| 2 | AECOM Technology Corp. | $1,610,390,000 |
| 3 | Parsons Brinckerhoff | $337,900,000 |
| 4 | URS Corp. | $314,266,757 |
| 5 | Buro Happold Consulting Engineers | $194,220,000 |
| 6 | Burns & McDonnell | $160,645,000 |
| 7 | Thornton Tomasetti | $124,575,393 |
| 8 | Science Applications International Corp. | $120,249,686 |
| 9 | Merrick & Co. | $103,998,000 |
| 10 | SSOE Group | $103,708,918 |
| 11 | Michael Baker Jr. | $88,880,000 |
| 12 | Day & Zimmermann | $85,898,442 |
| 13 | STV | $80,107,000 |
| 14 | Wiss, Janney, Elstner Associates | $75,000,000 |
| 15 | Dewberry | $72,755,906 |
| 16 | Simpson Gumpertz & Heger | $65,200,000 |
| 17 | Clark Nexsen | $62,273,849 |
| 18 | AKF Group | $62,000,000 |
| 19 | H&A Architects & Engineers | $43,335,401 |
| 20 | Middough | $41,000,000 |
| 21 | Walker Parking Consultants | $36,931,722 |
| 22 | Shive-Hattery | $34,263,616 |
| 23 | Barge, Waggoner, Sumner and Cannon | $30,700,000 |
| 24 | BRPH | $28,890,000 |
| 25 | Bergmann Associates | $25,398,000 |
| 26 | Hixson Architecture, Engineering, Interiors | 21,000,000 |
| 27 | Guernsey | 19,070,104 |
| 28 | Ross & Baruzzini | 16,705,127 |
| 29 | Paulus, Sokolowski and Sartor | 15,200,000 |
| 30 | GRAEF | 13,964,170 |
| 31 | Zak Companies | 13,814,233 |
| 32 | CJL Engineering | 12,992,858 |
| 33 | Spectrum Engineers | 10,890,075 |
| 34 | Davis, Bowen & Friedel | 10,777,296 |
| 35 | Gray | 10,454,722 |
| 36 | Stanley Consultants | 10,151,414 |
| 37 | Primera Engineers | 5,398,000 |
| 39 | GRW | 3,552,200 |
Read the Engineering Giants article
Read BD+C's full Giants 300 Report
Related Stories
| Sep 20, 2013
August housing starts reveal multifamily still healthy but single-family stagnating
Peter Muoio, Ph.D., senior principal and economist with Auction.com Research, says the Census Bureau's August Housing Starts data released yesterday hints at improvements in the single-family sector with multifamily slowing down.
| Sep 19, 2013
What we can learn from the world’s greenest buildings
Renowned green building author, Jerry Yudelson, offers five valuable lessons for designers, contractors, and building owners, based on a study of 55 high-performance projects from around the world.
| Sep 19, 2013
6 emerging energy-management glazing technologies
Phase-change materials, electrochromic glass, and building-integrated PVs are among the breakthrough glazing technologies that are taking energy performance to a new level.
| Sep 18, 2013
Annual SteelDay to include 125 free events around the U.S.
Hosted by the American Institute of Steel Construction (AISC), its members and partners, SteelDay invites the AEC community and the public to see the contributions the industry has made in the design and construction of steel buildings and bridges.
| Sep 18, 2013
WHR Architects opens first European office, in Copenhagen
WHR Architects has opened its first European office in Copenhagen, Denmark. The decision to locate in the Danish capital was spurred by the Danish healthcare system’s initiative to renew and expand their facilities across the country.
| Sep 17, 2013
NCARB convenes special task force to explore additional pathways to architectural licensure
Potential new pathways to architectural licensure are being explored through the work of a new Licensure Task Force launched by the National Council of Architectural Registration Boards (NCARB). Led by NCARB Immediate Past President Ronald B. Blitch, FAIA, FACHA, NCARB, the group held its first meeting at NCARB offices on September 6-7 in Washington, DC.
| Sep 17, 2013
SMPS Foundation announces new business development research book
The SMPS Foundation has released its latest research book, A/E/C BUSINESS DEVELOPMENT – The Decade Ahead.
| Sep 17, 2013
Healthcare project will merge outpatient clinic with YMCA to promote wellness and prevention
Penrose-St. Francis Health Services and the YMCA of the Pikes Peak Region announce collaboration, along with developer The Boldt Company, to create next-generation wellness facility.
| Sep 17, 2013
AIA sees uptick in architecture billings for August
AIA's Architecture Billings Index was 53.8 in August, up from 52.7 the previous month, signaling increased demand for design services nationwide. The West and Northeast regions saw the biggest ABI gains last month.
| Sep 16, 2013
Does brainstorming work?
The idea-generating process known as brainstorming has come under some intense fire recently. Critics contend that it suspends much-needed criticism and conflict while suppressing the creative ideas of introverts.
