| Rank | Company | 2012 State Government Revenue ($) |
| 1 | Jacobs Engineering Group | $422,670,000 |
| 2 | AECOM Technology Corp. | $107,390,000 |
| 3 | URS Corp. | $39,573,323 |
| 4 | Michael Baker Jr. | $14,510,000 |
| 5 | Simpson Gumpertz & Heger | $8,900,000 |
| 6 | Arup | $8,586,368 |
| 7 | Dewberry | $7,169,346 |
| 8 | STV | $6,920,000 |
| 9 | Coffman Engineers | $3,966,000 |
| 10 | Science Applications International Corp. | $3,652,796 |
| 11 | Merrick & Co. | $3,500,000 |
| 12 | RMF Engineering Design | $3,200,000 |
| 13 | WSP USA | $2,875,000 |
| 14 | Thornton Tomasetti | $2,138,203 |
| 15 | Rolf Jensen & Associates | $2,000,000 |
| 16 | Eaton Energy Solutions | $1,970,568 |
| 17 | RDK Engineers | $1,964,000 |
| 18 | Vanderweil Engineers | $1,886,000 |
| 19 | Smith Seckman Reid | $1,752,739 |
| 20 | Wiss, Janney, Elstner Associates | $1,510,000 |
| 21 | Shive-Hattery | $1,362,341 |
| 22 | Brinjac Engineering | $1,160,170 |
| 23 | Clark Nexsen | $1,145,879 |
| 24 | TTG | $1,050,500 |
| 25 | KPFF Consulting Engineers | $1,000,000 |
| 26 | Interface Engineering | $894,365 |
| 27 | Affiliated Engineers | $866,000 |
| 28 | KJWW Engineering Consultants | $826,098 |
| 29 | Barge, Waggoner, Sumner and Cannon | $800,000 |
| 29 | H.F. Lenz | $800,000 |
| 31 | Bergmann Associates | $578,000 |
| 32 | Davis, Bowen & Friedel | $574,755 |
| 33 | KCI Technologies | $500,000 |
| 34 | TLC Engineering for Architecture | $478,921 |
| 35 | Newcomb & Boyd | $458,031 |
| 36 | Spectrum Engineers | $402,673 |
| 37 | GRW | $338,725 |
| 38 | Aon Fire Protection Engineering | $300,000 |
| 38 | Glumac | $300,000 |
| 38 | Syska Hennessy Group | $300,000 |
| 41 | GRAEF | $259,738 |
| 42 | SSOE Group | $219,075 |
| 43 | CTLGroup | $200,000 |
| 43 | M-E Engineers | $200,000 |
| 45 | Primera Engineers | $162,000 |
| 46 | Walker Parking Consultants | $150,000 |
| 47 | Guernsey | $127,854 |
| 48 | CJL Engineering | $118,000 |
| 49 | French & Parrello Associates | $100,000 |
| 49 | Paulus, Sokolowski and Sartor | $100,000 |
| 49 | Peter Basso Associates | $100,000 |
| 52 | Heapy Engineering | $98,982 |
| 53 | Wick Fisher White | $76,450 |
| 54 | Degenkolb Engineers | $71,640 |
| 55 | OLA Consulting Engineers | $70,000 |
| 56 | Allen & Shariff | $60,000 |
| 57 | Wallace Engineering | $50,000 |
| 58 | Bridgers & Paxton Consulting Engineers | $48,233 |
| 59 | G&W Engineering | $40,000 |
| 60 | Henderson Engineers | $35,398 |
| 61 | KLH Engineers | $27,600 |
| 62 | Ross & Baruzzini | $25,993 |
| 63 | Apogee Consulting Group | $19,000 |
| 64 | Walter P Moore | $15,300 |
Back to Government Giants article
Read the full 2013 Giants 300 Report
Related Stories
Giants 400 | Aug 20, 2022
Top 180 Architecture Firms for 2022
Gensler, Perkins and Will, HKS, and Perkins Eastman top the rankings of the nation's largest architecture firms for nonresidential and multifamily buildings work, as reported in Building Design+Construction's 2022 Giants 400 Report.
Giants 400 | Aug 19, 2022
2022 Giants 400 Report: Tracking the nation's largest architecture, engineering, and construction firms
Now 46 years running, Building Design+Construction's 2022 Giants 400 Report rankings the largest architecture, engineering, and construction firms in the U.S. This year a record 519 AEC firms participated in BD+C's Giants 400 report. The final report includes more than 130 rankings across 25 building sectors and specialty categories.
Airports | Jul 18, 2022
FAA will award nearly $1 billion for airport projects
The Federal Aviation Administration (FAA) will award nearly $1 billion to 85 airports of all sizes across the country to improve terminals.
Airports | Jul 8, 2022
Phoenix Sky Harbor Airport’s new terminal prioritizes passenger experience and sustainability
McCarthy Building Companies recently completed construction of the final concourse in Terminal 4 at Phoenix Sky Harbor International Airport.
Airports | Jul 7, 2022
Love at first flight: The power of first impressions in airports
As architects, how we design a terminal and choreograph the passenger experience can stir up strong feelings.
Airports | Jun 29, 2022
BIG and HOK’s winning design for Zurich airport’s new terminal
Two years ago, Zurich Airport, which opened in the 1950s, launched an international design competition to replace the aging Dock A—the airport’s largest dock.
Airports | Jun 2, 2022
SOM-designed International Arrival Facility at Seattle’s Sea–Tac airport features the world’s largest aerial walkway
The Skidmore, Owings & Merrill (SOM)-designed International Arrivals Facility (IAF) at Seattle-Tacoma International Airport has opened, replacing a 50-year-old arrival facility.
Sponsored | BD+C University Course | May 3, 2022
For glass openings, how big is too big?
Advances in glazing materials and glass building systems offer a seemingly unlimited horizon for not only glass performance, but also for the size and extent of these light, transparent forms. Both for enclosures and for indoor environments, novel products and assemblies allow for more glass and less opaque structure—often in places that previously limited their use.
Airports | Apr 4, 2022
Dominican Republic airport expansion will add mixed-use features
The recently revealed design concept for the expansion of Santiago International Airport in the Dominican Republic includes a transformation of the current building into a mixed-use space that features an office park, business center, and hotel.
Codes and Standards | Mar 4, 2022
FAA offers $1 billion in grants for airport terminal and tower projects
The Federal Aviation Administration (FAA) is now accepting applications for about $1 billion in grants for airport projects during fiscal year 2022.
