| 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
| Aug 11, 2010
Jacobs, HDR top BD+C's ranking of the nation's 100 largest institutional building design firms
A ranking of the Top 100 Institutional Design Firms based on Building Design+Construction's 2009 Giants 300 survey. For more Giants 300 rankings, visit http://www.BDCnetwork.com/Giants
| Aug 11, 2010
Earthquake engineering keeps airport grounded
Istanbul, Turkey's new 2.15 million-sf Sabiha Gökçen International Airport opened on October 31, 2009, becoming the world's largest seismically isolated building. Arup's global airport planning and engineering team, in collaboration with architects Dogan Tekeli Sami Sisa Mimarlik Ofisi and contractor LIMAK-GMR JV, working within an 18-month timeline, designed and built the facility wi...
