| Rank | Company | 2012 Government Revenue ($) |
| 1 | Fluor | $3,301,919,000 |
| 2 | URS Corp. | $693,536,105 |
| 3 | AECOM Technology Corp. | $522,390,000 |
| 4 | Jacobs Engineering Group | $422,670,000 |
| 5 | STV | $196,225,000 |
| 6 | Michael Baker Jr. | $109,360,000 |
| 7 | Science Applications International Corp. | $66,429,538 |
| 8 | Parsons Brinckerhoff | $56,438,739 |
| 9 | Merrick & Co. | $54,500,000 |
| 10 | H&A Architects & Engineers | $40,736,471 |
| 11 | Burns & McDonnell | $39,650,000 |
| 12 | Clark Nexsen | $36,047,902 |
| 13 | Arup | $31,337,694 |
| 14 | Allen & Shariff | $28,205,000 |
| 15 | Dewberry | $26,366,107 |
| 16 | Eaton Energy Solutions | $21,042,636 |
| 17 | Smith Seckman Reid | $19,741,666 |
| 18 | Simpson Gumpertz & Heger | $19,300,000 |
| 19 | Affiliated Engineers | $16,707,000 |
| 20 | Guernsey | $13,137,397 |
| 21 | Barge, Waggoner, Sumner and Cannon | $12,200,000 |
| 22 | Syska Hennessy Group | $11,919,278 |
| 23 | Coffman Engineers | $11,189,000 |
| 24 | RMF Engineering Design | $9,625,000 |
| 25 | Walker Parking Consultants | $9,000,000 |
| 25 | KPFF Consulting Engineers | $9,000,000 |
| 25 | Rolf Jensen & Associates | $9,000,000 |
| 28 | WSP USA | $8,500,000 |
| 29 | BRPH | $8,230,500 |
| 30 | Shive-Hattery | $7,887,925 |
| 31 | Bridgers & Paxton Consulting Engineers | $7,642,938 |
| 32 | Wiss, Janney, Elstner Associates | $7,573,000 |
| 33 | SSOE Group | $5,961,076 |
| 34 | TTG | $5,857,540 |
| 35 | Vanderweil Engineers | $5,707,000 |
| 36 | TLC Engineering for Architecture | $5,573,256 |
| 37 | Newcomb & Boyd | $5,548,078 |
| 38 | KCI Technologies | $5,500,000 |
| 39 | Walter P Moore | $5,411,370 |
| 40 | Ross & Baruzzini | $5,396,261 |
| 41 | Heapy Engineering | $5,063,419 |
| 42 | KJWW Engineering Consultants | $4,859,400 |
| 43 | GHT Limited | $4,750,000 |
| 44 | Degenkolb Engineers | $4,517,695 |
| 45 | Bard, Rao + Athanas Consulting Engineers | $4,500,000 |
| 46 | Glumac | $4,490,000 |
| 47 | Sparling | $4,464,265 |
| 48 | Interface Engineering | $4,363,221 |
| 49 | RDK Engineers | $4,197,000 |
| 50 | Aon Fire Protection Engineering | $4,100,000 |
| 51 | Thornton Tomasetti | $4,020,020 |
| 52 | CCRD Partners | $4,000,000 |
| 53 | Spectrum Engineers | $3,443,455 |
| 54 | M/E Engineering | $3,403,050 |
| 55 | GRW | $3,385,623 |
| 56 | H.F. Lenz | $3,295,000 |
| 57 | GRAEF | $3,113,082 |
| 58 | French & Parrello Associates | $3,100,000 |
| 59 | Henderson Engineers | $2,266,357 |
| 60 | Apogee Consulting Group | $2,121,000 |
| 61 | Haynes Whaley Associates | $2,041,785 |
| 62 | Bergmann Associates | $2,010,000 |
| 63 | Davis, Bowen & Friedel | $1,833,731 |
| 64 | Brinjac Engineering | $1,707,652 |
| 65 | M-E Engineers | $1,630,000 |
| 66 | AKF Group | $1,236,900 |
| 67 | Paulus, Sokolowski and Sartor | $1,150,000 |
| 67 | Dunham Associates | $1,150,000 |
| 69 | Buro Happold Consulting Engineers | $1,030,000 |
| 70 | Primera Engineers | $925,000 |
| 71 | Middough | $850,000 |
| 72 | Environmental Systems Design | $836,185 |
| 73 | CTLGroup | $800,000 |
| 74 | ThermalTech Engineering | $625,000 |
| 75 | Peter Basso Associates | $500,000 |
| 76 | Zak Companies | $443,642 |
| 77 | Mazzetti | $432,838 |
| 78 | CJL Engineering | $358,000 |
| 79 | OLA Consulting Engineers | $300,000 |
| 80 | Rist-Frost-Shumway Engineering | $250,000 |
| 81 | KLH Engineers | $228,505 |
| 82 | Wick Fisher White | $213,850 |
| 83 | Wallace Engineering | $200,000 |
| 84 | G&W Engineering | $170,000 |
| 85 | Total Building Commissioning | $154,396 |
| 86 | P2S Engineering | $59,268 |
| 87 | FBA Engineering | $50,000 |
| 88 | Kamm Consulting | $27,425 |
Back to Government Giants article
Read the full 2013 Giants 300 Report
Related Stories
Architects | Apr 6, 2023
Design for belonging: An introduction to inclusive design
The foundation of modern, formalized inclusive design can be traced back to the Americans with Disabilities Act (ADA) in 1990. The movement has developed beyond the simple rules outlined by ADA regulations resulting in features like mothers’ rooms, prayer rooms, and inclusive restrooms.
Airports | Feb 28, 2023
Data visualization: $1 billion earmarked for 2023 airport construction projects
Ninety-nine airports across 47 states and two territories are set to share nearly $1 billion in funding in 2023 from the Federal Aviation Administration. The funding is aimed at help airports of all sizes meet growing air travel demand, with upgrades like larger security checkpoints and more reliable and faster baggage systems.
Intelligent Lighting | Feb 13, 2023
Exploring intelligent lighting usage in healthcare, commercial facilities
SSR's Todd Herrmann, PE, LEEP AP, explains intelligent lighting's potential use cases in healthcare facilities and more.
Giants 400 | Feb 9, 2023
New Giants 400 download: Get the complete at-a-glance 2022 Giants 400 rankings in Excel
See how your architecture, engineering, or construction firm stacks up against the nation's AEC Giants. For more than 45 years, the editors of Building Design+Construction have surveyed the largest AEC firms in the U.S./Canada to create the annual Giants 400 report. This year, a record 519 firms participated in the Giants 400 report. The final report includes 137 rankings across 25 building sectors and specialty categories.
Giants 400 | Feb 6, 2023
2022 Reconstruction Sector Giants: Top architecture, engineering, and construction firms in the U.S. building reconstruction and renovation sector
Gensler, Stantec, IPS, Alfa Tech, STO Building Group, and Turner Construction top BD+C's rankings of the nation's largest reconstruction sector architecture, engineering, and construction firms, as reported in the 2022 Giants 400 Report.
Cladding and Facade Systems | Dec 20, 2022
Acoustic design considerations at the building envelope
Acentech's Ben Markham identifies the primary concerns with acoustic performance at the building envelope and offers proven solutions for mitigating acoustic issues.
Digital Twin | Nov 21, 2022
An inside look at the airport industry's plan to develop a digital twin guidebook
Zoë Fisher, AIA explores how design strategies are changing the way we deliver and design projects in the post-pandemic world.
Giants 400 | Nov 14, 2022
Top 65 Airport Terminal Engineering + EA Firms for 2022
AECOM, Jacobs, Arup, and Burns & McDonnell head the ranking of the nation's largest airport terminal engineering and engineering/architecture (EA) firms for 2022, as reported in Building Design+Construction's 2022 Giants 400 Report.
Giants 400 | Nov 14, 2022
Top 60 Airport Terminal Contractors + CM Firms for 2022
Hensel Phelps, Turner Construction, Walsh Group, and Holder Construction top the ranking of the nation's largest airport terminal contractors and construction management (CM) firms for 2022, as reported in Building Design+Construction's 2022 Giants 400 Report.
Giants 400 | Nov 14, 2022
Top 55 Airport Terminal Architecture + AE Firms for 2022
Gensler, PGAL, Corgan, and HOK top the ranking of the nation's largest airport terminal architecture and architecture/engineering (AE) firms for 2022, as reported in Building Design+Construction's 2022 Giants 400 Report.
