| 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 9, 2012
AEC professionals cautiously optimistic about commercial construction in ’13
Most economists say the U.S. is slowly emerging from the Great Recession, a view that was confirmed to some extent by an exclusive survey of 498 BD+C subscribers whose views we sought on the commercial construction industry’s outlook on business prospects for 2013.
| Dec 7, 2012
Structural glazing sealant protects solar-rooftop stadium in Taiwan
Designers of the Kaohsiung World Games Main Stadium in Gaoxiong, Taiwan, powered by almost 9,000 rooftop solar panels, required an effective panel fixing design offering optimum energy transfer rate, plus thermal and weathertight performance. Dow Corning specialists recommended a four-sided structural sealant solution featuring Dow Corning 983 Structural Glazing Sealant.
| Dec 6, 2012
Ziegler Cooper names Soto as Director of Design, Broadens Design Capabilities
Soto will oversee design efforts, bringing a high level of quality and problem solving capabilities through active engagement with clients and studios firm wide.
| Dec 5, 2012
Gilbane publishes Winter 2012 construction economic report
Report outlines impact of recent events; predicts continued movement, while slow, toward recovery.
| Dec 5, 2012
Gehry-designed New York City tower receives Emporis Skyscraper Award
8 Spruce Street is now the third New York tower to win the Emporis Skyscraper Award.
| Dec 4, 2012
MKK’s Denver Human Services Eastside Building wins ACEC Excellence Award
MKK provided mechanical, plumbing and fire protection consulting services on this LEED-NC Gold project.
| Dec 4, 2012
Thornton Tomasetti opens new office in São Paulo, Brazil
The move to São Paulo is strategic and timely, as the country continues preparations for the 2014 World Cup and 2016 Olympic Games in Rio de Janeiro.
| Dec 4, 2012
Greenhorne & O’Mara signs letter of intent to join Stantec
Acquisitions of C3TS and Architecture 2000 also completed.
| Dec 4, 2012
Sto Corp. announces new distributor in the Carolinas
Company will now have coverage in several parts of North Carolina.
