| Rank | Company | 2012 S+T Revenue ($) |
| 1 | Affiliated Engineers | $19,824,000 |
| 2 | Middough | $13,900,000 |
| 3 | URS Corp. | $11,772,124 |
| 4 | Bard, Rao + Athanas Consulting Engineers | $10,500,000 |
| 5 | RMF Engineering Design | $9,200,000 |
| 6 | Vanderweil Engineers | $7,851,900 |
| 7 | Paulus, Sokolowski and Sartor | $7,500,000 |
| 8 | WSP USA | $5,772,095 |
| 9 | Science Applications International Corp. | $3,103,152 |
| 10 | STV | $2,937,000 |
| 11 | Clark Nexsen | $2,911,405 |
| 12 | Haynes Whaley Associates | $2,303,235 |
| 13 | AKF Group | $2,000,000 |
| 14 | Syska Hennessy Group | $1,727,813 |
| 15 | CCRD Partners | $1,500,000 |
| 16 | Interface Engineering | $1,467,579 |
| 17 | Glumac | $1,332,000 |
| 18 | Rist-Frost-Shumway Engineering | $1,300,000 |
| 19 | Wiss, Janney, Elstner Associates | $1,120,000 |
| 20 | KJWW Engineering Consultants | $1,003,412 |
| 21 | KPFF Consulting Engineers | $1,000,000 |
| 22 | Rolf Jensen & Associates | $800,000 |
| 23 | Environmental Systems Design | $753,418 |
| 24 | RDK Engineers | $736,000 |
| 25 | Eaton Energy Solutions | $664,808 |
| 26 | Karpinski Engineering | $632,422 |
| 27 | Bergmann Associates | $607,000 |
| 28 | Mazzetti | $561,184 |
| 29 | Degenkolb Engineers | $494,831 |
| 30 | Henderson Engineers | $426,042 |
| 31 | Coffman Engineers | $400,000 |
| 32 | Walter P Moore | $345,245 |
| 33 | TTG | $320,000 |
| 34 | Thornton Tomasetti | $318,157 |
| 35 | TLC Engineering for Architecture | $311,623 |
| 36 | Aon Fire Protection Engineering | $300,000 |
| 37 | Sparling | $253,574 |
| 38 | OLA Consulting Engineers | $250,000 |
| 39 | Dunham Associates | $200,000 |
| 39 | M-E Engineers | $200,000 |
| 41 | CTLGroup | $100,000 |
| 41 | G&W Engineering | $100,000 |
| 43 | CJL Engineering | $64,964 |
| 44 | Spectrum Engineers | $58,546 |
| 45 | French & Parrello Associates | $50,000 |
| 46 | Allen & Shariff | $30,000 |
| 47 | Primera Engineers | $28,000 |
| 48 | FBA Engineering | $25,000 |
Back to the Science and Technology Sector Giants article
Read BD+C's full Giants 300 Report
Related Stories
Architects | Apr 14, 2015
Jeanne Gang, Bjarke Ingels among participants for inaugural Chicago Architecture Biennial
Some big names include Bjarke Ingels Group and Studio Gang Architects
Sports and Recreational Facilities | Apr 13, 2015
USTA breaks ground on what will be the country’s largest tennis complex
The 63-acre facility is being positioned as a cornerstone for a sports innovation and performance district in Lake Nona, Fla., a 7,000-acre master planned community that continues to expand.
Building Team Awards | Apr 10, 2015
14 projects that push AEC teaming to the limits
From Lean construction to tri-party IPD to advanced BIM/VDC coordination, these 14 Building Teams demonstrate the power of collaboration in delivering award-winning buildings. These are the 2015 Building Team Award winners.
Building Team Awards | Apr 10, 2015
Prefab saves the day for Denver hospital
Mortenson Construction and its partners completed the 831,000-sf, $623 million Saint Joseph Hospital well before the January 1, 2015, deadline, thanks largely to their extensive use of offsite prefabrication.
Building Team Awards | Apr 10, 2015
Anaheim’s soaring intermodal hub
Anaheim's Regional Transportations Intermodal Center is the largest ETFE project in North America.
Building Team Awards | Apr 10, 2015
Virtual collaboration helps complete a hospital in 24 months
PinnacleHealth needed a new hospital STAT! This team delivered it in two years, start to finish.
Building Team Awards | Apr 10, 2015
New arts venue reinvigorates Virginia Tech's campus
The STV-led Building Team creates a world-class performance and arts venue with learning and entrepreneurial dimensions.
BIM and Information Technology | Apr 9, 2015
A carboard box by Google can bring virtual reality to architecture
The global search engine giant has launched a new product, Google Cardboard, that easily allows users to experience virtual reality.
Building Team Awards | Apr 9, 2015
Multifaced fitness center becomes campus landmark
A sloped running track and open-concept design put this Building Team to the test.
Building Team Awards | Apr 9, 2015
Nation's first LEED-certified bus depot
A bus garage in Harlem shows that even the most mundane of facilities can strut its environmentally sensitive stuff.
