| 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
| May 3, 2012
2012 BUILDING TEAM AWARDS: Rush University Medical Center
This fully integrated Building Team opted for a multi-prime contracting strategy to keep construction going on Chicago’s Rush University Medical Center, despite the economic meltdown.
| May 3, 2012
U of Michigan team looking to create highly efficient building envelope designs
The system combines the use of sensors, novel construction materials, and utility control software in an effort to create technology capable of reducing a building’s carbon footprint.
| May 3, 2012
Best commercial modular buildings and marketing programs recognized
Judges scored entries on architectural excellence, technical innovation, cost effectiveness, energy efficiency, and calendar days to complete.
| May 3, 2012
Zero Energy Research Lab opens at North Texas
The living lab—the only one of its kind in Texas—is designed to test various technologies and systems in order to achieve a net-zero consumption of energy.
| May 3, 2012
NSF publishes ANSI standard evaluating the sustainability of single ply roofing membranes
New NSF Standard provides manufacturers, specifiers and building industry with verifiable, objective criteria to identify sustainable roofing products.
| May 3, 2012
Gilbane to provide CM services for North Reading’s integrated middle/high school
The project scope includes a wastewater treatment plant, demolition of the existing high school and extensive athletic fieldwork.
| May 3, 2012
Ground broken for $94 million hospital expansion at Scripps Encinitas
New facility to more than double emergency department size, boost inpatient beds by 43%.
| May 3, 2012
Rudolph and Sletten, Inc. wins CMAA award
Firm recognized for the renovation of Grossmont-Cuyamaca Community College’s Student Administrative & Griffin Student Center.
