| 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
Healthcare Facilities | Sep 13, 2023
Florida’s first freestanding academic medical behavioral health hospital breaks ground in Tampa Bay
Construction kicked off recently on TGH Behavioral Health Hospital, Florida’s first freestanding academic medical behavioral health hospital. The joint venture partnership between Tampa General (a 1,040-bed facility) and Lifepoint Behavioral Health will provide a full range of inpatient and outpatient care in specialized units for pediatrics, adolescents, adults, and geriatrics, and fills a glaring medical need in the area.
Adaptive Reuse | Sep 13, 2023
Houston's first innovation district is established using adaptive reuse
Gensler's Vince Flickinger shares the firm's adaptive reuse of a Houston, Texas, department store-turned innovation hub.
Giants 400 | Sep 12, 2023
Top 75 Retail Sector Engineering and Engineering Architecture (EA) Firms for 2023
Kimley-Horn, Henderson Engineers, Jacobs, and EXP head BD+C's ranking of the nation's largest retail building engineering and engineering/architecture (EA) firms for 2023, as reported in the 2023 Giants 400 Report. Note: This ranking factors revenue for all retail buildings work, including big box stores, cineplexes, entertainment centers, malls, restaurants, strip centers, and theme parks.
Giants 400 | Sep 11, 2023
Top 140 Retail Sector Architecture and Architecture Engineering (AE) Firms for 2023
Gensler, Arcadis, Core States Group, WD Partners, and NORR top BD+C's ranking of the nation's largest retail sector architecture and architecture engineering (AE) firms for 2023, as reported in the 2023 Giants 400 Report. Note: This ranking factors revenue for all retail buildings work, including big box stores, cineplexes, entertainment centers, malls, restaurants, strip centers, and theme parks.
Resiliency | Sep 11, 2023
FEMA names first communities for targeted assistance on hazards resilience
FEMA recently unveiled the initial designation of 483 census tracts that will be eligible for increased federal support to boost resilience to natural hazards and extreme weather. The action was the result of bipartisan legislation, the Community Disaster Resilience Zones Act of 2022. The law aims to help localities most at risk from the impacts of climate change to build resilience to natural hazards.
MFPRO+ Research | Sep 11, 2023
Conversions of multifamily dwellings to ‘mansions’ leading to dwindling affordable stock
Small multifamily homes have historically provided inexpensive housing for renters and buyers, but developers have converted many of them in recent decades into larger, single-family units. This has worsened the affordable housing crisis, say researchers.
Engineers | Sep 8, 2023
Secrets of a structural engineer
Walter P Moore's Scott Martin, PE, LEED AP, DBIA, offers tips and takeaways for young—and veteran—structural engineers in the AEC industry.
Healthcare Facilities | Sep 8, 2023
Modern healthcare interiors: Healing and care from the outside in
CO Architects shares design tips for healthcare interiors, from front desk to patient rooms.
Designers | Sep 5, 2023
Optimizing interior design for human health
Page Southerland Page demonstrates how interior design influences our mood, mental health, and physical comfort.
K-12 Schools | Sep 5, 2023
CHPS launches program to develop best practices for K-12 school modernizations
The non-profit Collaborative for High Performance Schools (CHPS) recently launched an effort to develop industry-backed best practices for school modernization projects. The Minor Renovations Program aims to fill a void of guiding criteria for school districts to use to ensure improvements meet a high-performance threshold.
