| 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
Architects | Dec 14, 2015
Date named for announcement of 2016 Laureate of the Pritzker Architecture Prize
The Laureate will be named the morning of January 13.
Architects | Dec 9, 2015
Architecture firms Cooper Carry and The Johnson Studio merge
The combination is expected to bolster each firm’s hospitality-related services.
Industry Research | Dec 8, 2015
AEC leaders say the 'talent wars' are heating up: BD+C exclusive survey
A new survey from Building Design+Construction shows that U.S. architecture, engineering, and construction firms are being stymied by the shortage of experienced design and construction professionals and project managers.
Architects | Dec 4, 2015
Denise Scott Brown and Robert Venturi win 2016 AIA Gold Medal Award
The husband and wife architect team—founders of VSBA Architects and Planners—are the award's first joint winners.
Architects | Dec 3, 2015
LMN Architects wins 2016 AIA Architecture Firm Award
The firm is known for projects like Vancouver Convention Centre West and the University of Washington’s Foster School of Business.
Greenbuild Report | Dec 1, 2015
Data centers turn to alternative power sources, new heat controls and UPS systems
Data centers account for 2% of the nation’s electricity consumption and about 30% of the power used annually by the economy’s information and communications technology sector, according to the National Renewable Energy Laboratory.
Greenbuild Report | Nov 30, 2015
10 megatrends shaping the future of green building
Increased competition among green building rating systems, the rise of net-zero buildings, and a sharper focus on existing structures are among the trends that will drive sustainability through 2020, according to author and green building expert Jerry Yudelson.
Contractors | Nov 24, 2015
FMI survey: Millennials in construction get a bad rap, tend to be loyal, hard-working
While the stigma exists that Millennials are entitled, disloyal, and lazy, it appears that this is not true, according to a new report from FMI.
Cultural Facilities | Nov 23, 2015
BIG plans for Pittsburgh: Bjarke Ingels’ Lower Hill District master plan evokes hilly topography
Paths will be carved to create a dialogue between Pittsburgh’s urbanscape and its hilly surroundings.
Architects | Nov 23, 2015
Dewberry acquires Houston’s Wilson Architectural Group
Now known as Dewberry | Wilson, the firm will have access to more MEP, technology design, site/civil, and land development capabilities.
