| 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
| Dec 2, 2014
Nashville planning retail district made from 21 shipping containers
OneC1TY, a healthcare- and technology-focused community under construction on 18.7 acres near Nashville, Tenn., will include a mini retail district made from 21 shipping containers, the first time in this market containers have been repurposed for such use.
| Dec 2, 2014
Main attractions: New list tallies up the Top 10 museums completed this year
The list includes both additions to existing structures and entirely new buildings, from Frank Gehry's Foundation Louis Vuitton in Paris to Shigeru Ban's Aspen (Colo.) Art Museum.
| Dec 2, 2014
Nonresidential construction spending rebounds in October
This month's increase in nonresidential construction spending is far more consistent with the anecdotal information floating around the industry, says ABC's Chief Economist Anirban Basu.
| Dec 2, 2014
Hoffmann Architects announces promotions
The architecture and engineering firm specializing in the rehabilitation of building exteriors announces the promotion of members of its Connecticut staff.
| Dec 2, 2014
SPARK designs urban farming housing for Singapore’s elderly population
The proposal blends affordable retirement housing with urban farming by integrating vertical aquaponic farming and rooftop soil planting into multi-unit housing for seniors.
| Dec 2, 2014
Bjarke Ingels unveils cave-like plan for public square in Battersea Power Station
A Malaysian development consortium is guiding the project, which is meant to mimic the caves of Gunung Mulu National Park in Sarawak, East Malaysia.
| Dec 1, 2014
9 most controversial buildings ever: ArchDaily report
Inexplicable designs. Questionable functionality. Absurd budgeting. Just plain inappropriate. These are some of the characteristics that distinguish projects that ArchDaily has identified as most controversial in the annals of architecture and construction.
| Dec 1, 2014
Skanska, Foster + Partners team up on development of first commercial 3D concrete printing robot
Skanska will participate in an 18-month program with a consortium of partners to develop a robot capable of printing complex structural components with concrete.
| Dec 1, 2014
How public-private partnerships can help with public building projects
Minimizing lifecycle costs and transferring risk to the private sector are among the benefits to applying the P3 project delivery model on public building projects, according to experts from Skanska USA.
High-rise Construction | Dec 1, 2014
ThyssenKrupp develops world’s first rope-free elevator system
ThyssenKrupp's latest offering, named MULTI, will allow several cabins in the same shaft to move vertically and horizontally.
