| Rank | Company | 2012 Multifamily Revenue ($) |
| 1 | STV | $42,284,000 |
| 2 | URS Corp. | $42,072,070 |
| 3 | AECOM Technology Corp. | $39,580,000 |
| 4 | Parsons Brinckerhoff | $37,500,000 |
| 5 | Michael Baker Jr. | $21,020,000 |
| 6 | Buro Happold Consulting Engineers | $20,430,000 |
| 7 | Wiss, Janney, Elstner Associates | $18,070,000 |
| 8 | Thornton Tomasetti | $13,899,030 |
| 9 | KPFF Consulting Engineers | $13,000,000 |
| 10 | Simpson Gumpertz & Heger | $10,200,000 |
| 11 | WSP USA | $9,500,191 |
| 12 | Arup | $7,452,506 |
| 13 | Magnusson Klemencic Associates | $6,754,614 |
| 14 | Dewberry | $5,927,378 |
| 15 | KCI Technologies | $4,000,000 |
| 16 | Science Applications International Corp. | $3,142,018 |
| 17 | Walker Parking Consultants | $3,109,222 |
| 18 | Aon Fire Protection Engineering | $3,010,000 |
| 19 | Paulus, Sokolowski and Sartor | $2,800,000 |
| 20 | AKF Group | $2,008,000 |
| 21 | Rolf Jensen & Associates | $2,000,000 |
| 22 | Glumac | $1,958,000 |
| 23 | Bala Consulting Engineers | $1,950,000 |
| 24 | Haynes Whaley Associates | $1,755,846 |
| 25 | CTLGroup | $1,700,000 |
| 26 | M-E Engineers | $1,500,000 |
| 27 | Allen & Shariff | $1,450,000 |
| 28 | Interface Engineering | $1,397,312 |
| 29 | TLC Engineering for Architecture | $1,347,023 |
| 30 | Clark Nexsen | $1,243,665 |
| 31 | M/E Engineering | $1,134,350 |
| 32 | Davis, Bowen & Friedel | $1,131,802 |
| 33 | Coffman Engineers | $1,075,000 |
| 34 | Barge, Waggoner, Sumner and Cannon | $1,000,000 |
| 34 | French & Parrello Associates | $1,000,000 |
| 36 | H&A Architects & Engineers | $804,768 |
| 37 | GRAEF | $801,255 |
| 38 | Smith Seckman Reid | $784,137 |
| 39 | RDK Engineers | $739,000 |
| 40 | Vanderweil Engineers | $737,700 |
| 41 | Apogee Consulting Group | $718,000 |
| 42 | KJWW Engineering Consultants | $673,446 |
| 43 | Walter P Moore | $606,875 |
| 44 | Guernsey | $573,651 |
| 45 | Sparling | $500,395 |
| 46 | TTG | $450,250 |
| 47 | GHT Limited | $400,000 |
| 48 | Henderson Engineers | $368,297 |
| 49 | OLA Consulting Engineers | $350,000 |
| 50 | RMF Engineering Design | $300,000 |
| 51 | G&W Engineering | $225,000 |
| 52 | Newcomb & Boyd | $212,680 |
| 53 | Mazzetti | $193,774 |
| 54 | Kamm Consulting | $157,300 |
| 55 | Wallace Engineering | $150,000 |
| 56 | Karpinski Engineering | $148,594 |
| 57 | Joseph R. Loring & Associates | $140,000 |
| 58 | Environmental Systems Design | $128,159 |
| 59 | Stanley Consultants | $121,742 |
| 60 | FBA Engineering | $100,000 |
| 61 | Eaton Energy Solutions | $77,000 |
| 62 | Jacobs Engineering Group | $59,000 |
| 63 | Heapy Engineering | $54,477 |
| 64 | Dunham Associates | $50,000 |
| 65 | Wick Fisher White | $48,762 |
| 66 | Degenkolb Engineers | $24,624 |
| 67 | Total Building Commissioning | $16,360 |
Read the Multifamily Giants article
Read BD+C's full Giants 300 Report
Related Stories
| Apr 15, 2014
Chipperfield's sparkling brass-clad scheme selected to be new home of Nobel Prize
The distinctive building, with its shimmering vertical brass elements and glass façade design, beat out two other finalists in the Nobel Center architectural competition.
Sponsored | | Apr 15, 2014
Value billing and differentiation
Regardless of the fee you charge, clients and prospects decide the value of your professional services based on their experience with your firm.
| Apr 11, 2014
ULI report documents business case for building healthy projects
Sustainable and wellness-related design strategies embody a strong return on investment, according to a report by the Urban Land Institute.
| Apr 11, 2014
First look: KPF's designs for DreamWorks in the massive Shanghai DreamCenter
Two blocks of offices will be centerpiece of new cultural and lifestyle district in the West Bund Media Port.
| Apr 11, 2014
Start your engines: Ferrari plans to build first ever hotel
Clad in the carmaker's signature "Ferrari red," the hotel will resemble the grill and hood of one of its iconic cars.
| Apr 10, 2014
Collegiate sports becoming greener: Survey
A survey conducted from May through June 2013 by the University of Arizona Office of Sustainability and published by the Natural Resources Defense Council (NRDC)* finds that more collegiate athletic teams are adopting green and sustainable practices in operation of their sports facilities.
| Apr 10, 2014
Submit Your Project for a Bluebeam eXtreme Award!
Bluebeam is holding the second annual Bluebeam eXtreme Awards at the 2014 Bluebeam eXtreme Conference in Hollywood, Calf.
| Apr 9, 2014
How patient-centered medical homes can help healthcare providers and patients
Beyond reducing the number of uninsured Americans, the Affordable Care Act is driving new types of healthcare facilities, especially patient-centered medical homes.
| Apr 9, 2014
Colossal aquarium in China sets five Guinness World Records
With its seven salt and fresh water aquariums, totaling 12.87 million gallons, the Chimelong Ocean Kingdom theme park is considered the world’s largest aquarium.
| Apr 9, 2014
Gregory Hodkinson appointed head of Arup Group
Hodkinson has spent his professional career at Arup and brings more than 40 years' experience in large-scale projects to the new role, including several in the US and Canada.
