| 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
Movers+Shapers | Jun 14, 2016
VERTICAL INTEGRATOR: How Brooklyn’s Alloy LLC evolved from an architecture firm into a full-fledged development company
Led by an ambitious President and a CEO with deep pockets, Alloy LLC's six entities control the entire development process: real estate development, design, construction, brokerage, property management, and community development.
Office Buildings | Jun 14, 2016
Let's not forget introverts when it comes to workplace design
Recent design trends favor extroverts who enjoy collaboration. HDR's Lynn Mignola says that designers need to accommodate introverts, people who recharge with solitude, as well.
Building Team | Jun 13, 2016
BD+C launches Women in Design+Construction Conference
Inaugural 2.5-day event will convene 125+ leading AEC women in Dana Point, Calif., November 9-11, for professional development, networking, and career training.
University Buildings | Jun 9, 2016
Designing for interdisciplinary communication in university buildings
Bringing people together remains the main objective when designing academic projects. SRG Design Principal Kent Duffy encourages interaction and discovery with a variety of approaches.
BIM and Information Technology | Jun 7, 2016
Conquer computational design: 5 tips for starting your journey
Data-driven design expert Nathan Miller offers helpful advice for getting your firm ready to use CD tools and concepts.
BIM and Information Technology | Jun 7, 2016
6 ways smart AEC firms are using computational design methods
Rapid prototyping, custom plug-ins, and data dashboards are among the common applications for computational design.
Building Team | Jun 2, 2016
Managing risk when building in challenging locations
AEC firms recognize the upsides of exploring new, emerging markets. Whitehorn Financial's Steve Whitehorn offers four principles that can help guide you to success.
Airports | Jun 1, 2016
LaGuardia Airport’s massive redevelopment begins construction
The development consortium has secured financing for the $4 billion project, and signed an operating lease through 2050.
Building Team Awards | Jun 1, 2016
Multifamily tower and office building revitalize Philadelphia cathedral
The Philadelphia Episcopal Cathedral capitalizes on hot property to help fund much needed upgrades and programs.
Building Team Awards | Jun 1, 2016
Central utility power plant takes center stage at UC San Diego Jacobs Medical Center
An undulating roof, floor-to-ceiling glass, and façade scheme give visual appeal to a plant that serves the 10-story medical center.
