| 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
| Dec 13, 2013
Safe and sound: 10 solutions for fire and life safety
From a dual fire-CO detector to an aspiration-sensing fire alarm, BD+C editors present a roundup of new fire and life safety products and technologies.
| Dec 10, 2013
16 great solutions for architects, engineers, and contractors
From a crowd-funded smart shovel to a why-didn’t-someone-do-this-sooner scheme for managing traffic in public restrooms, these ideas are noteworthy for creative problem-solving. Here are some of the most intriguing innovations the BD+C community has brought to our attention this year.
| Nov 27, 2013
Wonder walls: 13 choices for the building envelope
BD+C editors present a roundup of the latest technologies and applications in exterior wall systems, from a tapered metal wall installation in Oklahoma to a textured precast concrete solution in North Carolina.
| Nov 26, 2013
Construction costs rise for 22nd straight month in November
Construction costs in North America rose for the 22nd consecutive month in November as labor costs continued to increase, amid growing industry concern over the tight availability of skilled workers.
| Nov 25, 2013
Building Teams need to help owners avoid 'operational stray'
"Operational stray" occurs when a building’s MEP systems don’t work the way they should. Even the most well-designed and constructed building can stray from perfection—and that can cost the owner a ton in unnecessary utility costs. But help is on the way.
| Nov 19, 2013
Top 10 green building products for 2014
Assa Abloy's power-over-ethernet access-control locks and Schüco's retrofit façade system are among the products to make BuildingGreen Inc.'s annual Top-10 Green Building Products list.
| Nov 15, 2013
Metal makes its mark on interior spaces
Beyond its long-standing role as a preferred material for a building’s structure and roof, metal is making its mark on interior spaces as well.
| Nov 13, 2013
Installed capacity of geothermal heat pumps to grow by 150% by 2020, says study
The worldwide installed capacity of GHP systems will reach 127.4 gigawatts-thermal over the next seven years, growth of nearly 150%, according to a recent report from Navigant Research.
| Oct 30, 2013
11 hot BIM/VDC topics for 2013
If you like to geek out on building information modeling and virtual design and construction, you should enjoy this overview of the top BIM/VDC topics.
| Oct 18, 2013
Researchers discover tension-fusing properties of metal
When a group of MIT researchers recently discovered that stress can cause metal alloy to fuse rather than break apart, they assumed it must be a mistake. It wasn't. The surprising finding could lead to self-healing materials that repair early damage before it has a chance to spread.
