| 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
| Nov 21, 2011
Mortenson and enXco partnership to build its 19th wind project
The 8,500 acres project will generate140 megawatts of wind power – enough energy to power approximately 39,000 homes.
| Nov 21, 2011
FDH Engineering acquires Energy Solutions
All ESI employees have been merged into FDH’s staff at its St. Louis office.
| Nov 18, 2011
Centre for Interactive Research on Sustainability opens
Designed to exceed LEED Platinum, the Centre for Interactive Research on Sustainability (CIRS) is one of the most innovative and high performance buildings in North America today, demonstrating leading-edge green building design products, technologies, and systems.
| Nov 17, 2011
SmithGroup changes name to SmithGroupJJR
SmithGroup and JJR join brands to become a single, multi-disciplinary company.
| Nov 17, 2011
Campus-wide energy-efficiency program aims to deliver $3.5 million in energy and operational savings
Merced College and Honeywell will use the school’s energy usage statistics to develop a course curriculum on sustainability, and raise awareness among students of the positive impact conservation practices contribute to the community.
| Nov 17, 2011
Hollister Construction Services renovating bank in Union City, N.J.
Project is part of a series of ground-up construction and renovation assignments.
| Nov 16, 2011
Project completion of BRAC 132, Office of the Chief Army Reserve Building, Ft. Belvoir, Va.
This fast-tracked, design-build project consists of a three-story, 88,470 sf administrative command building housing approximately 430 employees.
| Nov 16, 2011
Architecture Billings Index moves upward
The Architecture Billings Index climbed nearly three points in October.
| Nov 16, 2011
CRSI recommends return to inch-pound markings
The intention of this resolution is for all new rollings of reinforcing steel products to be marked with inch-pound bar markings no later than January 1st, 2014.
