| Rank | Company | 2012 Total Revenue ($) |
| 1 | Fluor | $221,231,200 |
| 2 | Arup | $149,738,587 |
| 3 | Affiliated Engineers | $105,503,000 |
| 4 | WSP USA | $105,362,352 |
| 5 | KPFF Consulting Engineers | $91,000,000 |
| 6 | Syska Hennessy Group | $82,097,502 |
| 7 | Henderson Engineers | $63,485,775 |
| 8 | Smith Seckman Reid | $52,919,312 |
| 9 | KJWW Engineering Consultants | $51,092,154 |
| 10 | Vanderweil Engineers | $50,552,200 |
| 11 | TTG | $49,968,167 |
| 12 | Glumac | $47,967,000 |
| 13 | Bard, Rao + Athanas Consulting Engineers | $41,500,000 |
| 14 | Rolf Jensen & Associates | $40,000,000 |
| 15 | Coffman Engineers | $39,100,000 |
| 16 | Environmental Systems Design | $38,763,000 |
| 17 | Magnusson Klemencic Associates | $37,462,767 |
| 18 | M-E Engineers | $35,400,000 |
| 19 | TLC Engineering for Architecture | $34,295,957 |
| 20 | RMF Engineering Design | $32,300,000 |
| 21 | RDK Engineers | $31,201,000 |
| 22 | Walter P Moore | $29,092,693 |
| 23 | H.F. Lenz | $26,991,500 |
| 24 | Interface Engineering | $25,193,936 |
| 25 | Degenkolb Engineers | $25,127,432 |
| 26 | CCRD Partners | 25,100,000 |
| 27 | Mazzetti | 24,895,804 |
| 28 | Robins & Morton | 24,500,000 |
| 29 | M/E Engineering | 22,687,000 |
| 30 | Aon Fire Protection Engineering | 22,510,728 |
| 31 | Heapy Engineering | 22,116,941 |
| 32 | Sparling | 20,282,073 |
| 33 | Haynes Whaley Associates | 19,907,949 |
| 34 | Newcomb & Boyd | 18,617,195 |
| 35 | KCI Technologies | 18,032,000 |
| 36 | Bridgers & Paxton Consulting Engineers | 16,868,884 |
| 37 | GHT Limited | 16,834,469 |
| 38 | Bala Consulting Engineers | 16,430,000 |
| 39 | French & Parrello Associates | 15,903,300 |
| 40 | ThermalTech Engineering | 15,500,000 |
| 41 | Joseph R. Loring & Associates | 15,000,000 |
| 42 | KLH Engineers | 14,072,830 |
| 43 | Dunham Associates | 14,000,000 |
| 44 | Wallace Engineering | 13,350,000 |
| 45 | P2S Engineering | 12,962,044 |
| 46 | Karpinski Engineering | 12,076,943 |
| 47 | Peter Basso Associates | 11,016,000 |
| 48 | Rist-Frost-Shumway Engineering | 9,300,000 |
| 49 | CTLGroup | 9,000,000 |
| 50 | Allen & Shariff | 8,500,000 |
| 51 | Wick Fisher White | 8,126,951 |
| 52 | Brinjac Engineering | 6,890,645 |
| 53 | OLA Consulting Engineers | 5,500,000 |
| 54 | Eaton Energy Solutions | 4,430,095 |
| 55 | Kamm Consulting | 3,681,775 |
| 56 | FBA Engineering | 3,360,000 |
| 57 | Apogee Consulting Group | 3,331,300 |
| 58 | G&W Engineering | 2,408,800 |
| 59 | Total Building Commissioning | 616,878 |
| 60 | Yates Cos., The | 400,000 |
| 61 | Weis Builders | 300,000 |
Related Stories
AEC Tech | Jan 24, 2024
4 ways AEC firms can benefit from digital transformation
While going digital might seem like a playground solely for industry giants, the truth is that any company can benefit from the power of technology.
Giants 400 | Jan 23, 2024
Top 45 Parking Structure Engineering Firms for 2023
Walker Consultants, Kimley-Horn, Wiss, Janney, Elstner Associates, KPFF Consulting Engineers, and Walter P Moore head BD+C's ranking of the nation's largest parking structure engineering and engineering/architecture (EA) firms for 2023, as reported in the 2023 Giants 400 Report.
Industry Research | Jan 23, 2024
Leading economists forecast 4% growth in construction spending for nonresidential buildings in 2024
Spending on nonresidential buildings will see a modest 4% increase in 2024, after increasing by more than 20% last year according to The American Institute of Architects’ latest Consensus Construction Forecast. The pace will slow to just over 1% growth in 2025, a marked difference from the strong performance in 2023.
Giants 400 | Jan 23, 2024
Top 50 Medical Office Building Engineering Firms for 2023
Jacobs, Salas O'Brien, KPFF Consulting Engineers, IMEG, and Kimley-Horn head BD+C's ranking of the nation's largest medical office building engineering and engineering/architecture (EA) firms for 2023, as reported in the 2023 Giants 400 Report.
Giants 400 | Jan 22, 2024
Top 40 Outpatient Facility Engineering Firms for 2023
Jacobs, IMEG, TLC Engineering Solutions, KPFF Consulting Engineers, and Syska Hennessy Group head BD+C's ranking of the nation's largest outpatient facility engineering and engineering/architecture (EA) firms for 2023, as reported in the 2023 Giants 400 Report. Note: This ranking includes design revenue for work related to outpatient medical buildings, including cancer centers, heart centers, urgent care facilities, and other medical centers.
Construction Costs | Jan 22, 2024
Construction material prices continue to normalize despite ongoing challenges
Gordian’s most recent Quarterly Construction Cost Insights Report for Q4 2023 describes an industry still attempting to recover from the impact of COVID. This was complicated by inflation, weather, and geopolitical factors that resulted in widespread pricing adjustments throughout the construction materials industries.
Transit Facilities | Jan 22, 2024
Top 40 Transit Facility Engineering Firms for 2023
AECOM, Jacobs, EXP, WSP, and Arup head BD+C's ranking of the nation's largest transit facility engineering and engineering/architecture (EA) firms for 2023, as reported in the 2023 Giants 400 Report. Note: This ranking includes design revenue for work related to bus terminals, rail terminals, and transit stations.
Hotel Facilities | Jan 22, 2024
U.S. hotel construction is booming, with a record-high 5,964 projects in the pipeline
The hotel construction pipeline hit record project counts at Q4, with the addition of 260 projects and 21,287 rooms over last quarter, according to Lodging Econometrics.
Modular Building | Jan 19, 2024
Virginia is first state to adopt ICC/MBI offsite construction standards
Virginia recently became the first state to adopt International Code Council/Modular Building Institute off-site construction standards.
Office Buildings | Jan 19, 2024
How to strengthen office design as employees return to work
Adam James, AIA, Senior Architect, Design Collaborative, shares office design tips for the increasingly dynamic workplace.
