| 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 |
Ā
Read the Engineering Giants article
Ā
Read BD+C's full Giants 300 Report
Related Stories
| Feb 14, 2014
Crowdsourced Placemaking: How people will help shape architecture
The rise of mobile devices and social media, coupled with the use of advanced survey tools and interactive mapping apps, has created a powerful conduit through which Building Teams can capture real-time data on the public. For the first time, the masses can have a real say in how the built environment around them is formedāthat is, if Building Teams are willing to listen.
| Feb 13, 2014
University officials sound off on net zero energy buildings
As part of its ongoing ZNE buildings research project, Sasaki Associates, in collaboration with Buro Happold, surveyed some 500 campus designers and representatives on the top challenges and opportunities for achieving net-zero energy performance on university and college campuses.Ā
| Feb 13, 2014
3 keys to designing freestanding emergency departments
Having physically disassociated from a central hospital, FEDs must overcome the particular challenges associated with a satellite location, namely a lack of awareness, appeal, and credibility. Gresham, Smith & Partners' Kristin Herman-Druc offers three keys to success.Ā
| Feb 13, 2014
Why you should start with a builder
They say the best way to eat an elephant is one bite at a time. Expanding your building or constructing a new structure for your business, church, or school isnāt all that different. Attacking it is best done in small, deliberate pieces.Ā
| Feb 13, 2014
Related Companies, LargaVista partner to develop mixed-use tower in SoHo
The site is located at the gateway to the booming SoHo retail market, where Class A office space is scarce yet highly in demand.
| Feb 12, 2014
First Look: Futuristic Silicon Valley campus designed to draw tech startups
The curved campus will consist of four different buildings, one exclusively for amenities like a coffee bar, bike shop, and bank.
| Feb 12, 2014
IIT's College of Architecture launches the Mies Crown Hall Americas Prize
Awarded biennially with a $50,000 prize, the program will recognize the most distinguished architectural works built on the North and South American continents in the preceding two years.
| Feb 11, 2014
Adobe Photoshop update features new 3D printing capabilities
Available as part of an update to Photoshop Creative Cloud, the tool enables users to easily and reliably build, refine, preview, prepare, and print 3D designs.
| Feb 10, 2014
Proposed parking garage will sandwich vehicles between housing and retail space
Architecture firm Brisac Gonzalez says that the design "will introduce different activities after parking hours."
| Feb 10, 2014
Architecture Design Collaborative announces firm opening in Southern California
Today, Architecture Design Collaborative officially announces the launch of its firm providing a full range of architecture and interior design services nationwide. Architecture Design Collaborative offers architectural design services, comprehensive interior design services, developer collaboration, direct tenant improvement, repositioning and site planning.
