| Rank | Company | 2012 Multifamily Revenue ($) |
| 1 | IBI Group | $42,729,436 |
| 2 | Niles Bolton Associates | $22,446,821 |
| 3 | Perkins Eastman | $17,400,000 |
| 4 | WDG Architecture | $17,233,000 |
| 5 | Solomon Cordwell Buenz | $16,000,000 |
| 6 | RTKL Associates | $12,992,000 |
| 7 | Perkins+Will | $10,783,619 |
| 8 | Skidmore, Owings & Merrill | $10,179,000 |
| 9 | HOK | $7,730,000 |
| 10 | VOA Associates | $6,902,030 |
| 11 | Stantec | $6,801,685 |
| 12 | HKS | $6,400,000 |
| 13 | Beyer Blinder Belle Architects & Planners | $5,648,697 |
| 14 | FXFOWLE Architects | $5,393,862 |
| 15 | Carrier Johnson + Culture | $5,097,547 |
| 16 | GBBN Architects | $4,500,000 |
| 17 | Cooper Carry | $4,216,482 |
| 18 | OZ Architecture | $4,179,263 |
| 19 | Gensler | $4,100,000 |
| 20 | Ziegler Cooper Architects | $4,064,383 |
| 21 | Harley Ellis Devereaux | $3,875,000 |
| 22 | EDI International | $3,752,000 |
| 23 | Good Fulton & Farrell | $3,618,783 |
| 24 | WATG / Wimberly Interiors | $3,587,000 |
| 25 | Smallwood, Reynolds, Stewart, Stewart & Associates | $3,431,883 |
| 26 | Hensley Lamkin Rachel | $3,261,000 |
| 27 | Rule Joy Trammell + Rubio | $3,250,000 |
| 28 | Kohn Pedersen Fox Associates | $3,159,000 |
| 29 | HLW International | $3,000,000 |
| 30 | Cuningham Group Architecture | $2,862,819 |
| 31 | BBG-BBGM | $2,800,000 |
| 32 | Sherlock, Smith & Adams | $2,760,000 |
| 33 | Nadel | $2,521,455 |
| 34 | PGAL | $2,510,000 |
| 35 | Morris Architects | $2,000,000 |
| 36 | Mithun | $1,880,000 |
| 37 | MBH Architects | $1,770,000 |
| 38 | Epstein | $1,751,000 |
| 39 | LARGE Architecture | $1,557,012 |
| 40 | Shepley Bulfinch Richardson & Abbott | $1,480,691 |
| 41 | SMMA | Symmes Maini & McKee Associates | $1,430,000 |
| 42 | Callison | $1,428,982 |
| 43 | Hoffmann Architects | $1,383,000 |
| 44 | BLT Architects | $1,300,000 |
| 45 | Heery International | $1,052,000 |
| 46 | Jerde Partnership, The | $1,000,000 |
| 47 | Goodwyn, Mills & Cawood | $930,000 |
| 48 | NAC|Architecture | $818,556 |
| 49 | DLR Group | $800,000 |
| 50 | Moody Nolan | $780,000 |
| 51 | RNL | $771,000 |
| 52 | Perkowitz+Ruth Architects | $572,007 |
| 53 | S/L/A/M Collaborative, The | $534,000 |
| 54 | LS3P | $526,097 |
| 55 | ZGF Architects | $491,554 |
| 56 | PageSoutherlandPage | $490,000 |
| 57 | Hnedak Bobo Group | $418,000 |
| 58 | Kaplan McLaughlin Diaz | $367,854 |
| 59 | Baskervill | $318,000 |
| 60 | Ashley McGraw Architects | $287,663 |
| 61 | Fletcher-Thompson | $250,000 |
| 61 | Westlake Reed Leskosky | $250,000 |
| 63 | Environetics | $233,668 |
| 64 | Kirksey Architecture | $211,525 |
| 65 | Sasaki Associates | $178,611 |
| 66 | Corgan | $155,376 |
| 67 | NELSON | $139,820 |
| 68 | SHW Group | $127,595 |
| 69 | BBS Architects, Landscape Architects and Engineers | $110,000 |
| 70 | CASCO | $75,000 |
| 71 | AXIS Architecture + Design | $72,692 |
| 72 | SRG Partnership | $69,932 |
| 73 | Leo A Daly | $68,155 |
| 74 | KZF Design | $51,963 |
| 75 | Hoefer Wysocki Architecture | $50,000 |
| 76 | JRS Architect | $50,000 |
| 77 | Astorino | $47,000 |
| 78 | Davis Brody Bond | $23,052 |
| 79 | Ware Malcomb | $15,000 |
| 80 | Margulies Perruzzi Architects | $8,130 |
Read the Multifamily Giants article
Read BD+C's full Giants 300 Report
Related Stories
Giants 400 | Feb 6, 2023
2022 Religious Sector Giants: Top architecture, engineering, and construction firms in the U.S. religious facility construction sector
HOK, Parkhill, KPFF, Shawmut Design and Construction, and Wiss, Janney, Elstner head BD+C's rankings of the nation's largest religious facility sector architecture, engineering, and construction firms, as reported in the 2022 Giants 400 Report.
Giants 400 | Feb 6, 2023
2022 Justice Facility Sector Giants: Top architecture, engineering, and construction firms in the U.S. justice facility/public safety sector
Stantec, DLR Group, Turner Construction, STO Building Group, AECOM, and Dewberry top BD+C's rankings of the nation's largest architecture, engineering, and construction firms for justice facility/public safety buildings work, including correctional facilities, fire stations, jails, police stations, and prisons, as reported in the 2022 Giants 400 Report.
Giants 400 | Feb 6, 2023
2022 Parking Structure Giants: Top architecture, engineering, and construction firms in the U.S. parking structure sector
Choate Parking Consultants, Walker Consultants, Kimley-Horn, PCL, and Balfour Beatty top BD+C's rankings of the nation's largest parking structure sector architecture, engineering, and construction firms, as reported in the 2022 Giants 400 Report.
Market Data | Feb 6, 2023
Nonresidential construction spending dips 0.5% in December 2022
National nonresidential construction spending decreased by 0.5% in December, according to an Associated Builders and Contractors analysis of data published today by the U.S. Census Bureau. On a seasonally adjusted annualized basis, nonresidential spending totaled $943.5 billion for the month.
Giants 400 | Feb 3, 2023
Top Workplace/Interior Fitout Architecture, Engineering, and Construction Firms for 2022
Gensler, Interior Architects, AECOM, STO Building Group, and CBRE top the ranking of the nation's largest workplace/interior fitout architecture, engineering, and construction firms, as reported in Building Design+Construction's 2022 Giants 400 Report.
Multifamily Housing | Feb 3, 2023
HUD unveils report to help multifamily housing developers overcome barriers to offsite construction
The U.S. Department of Housing and Urban Development, in partnership with the National Institute of Building Sciences and MOD X, has released the Offsite Construction for Housing: Research Roadmap, a strategic report that presents the key knowledge gaps and research needs to overcome the barriers and challenges to offsite construction.
Steel Buildings | Feb 3, 2023
Top 10 structural steel building projects for 2023
A Mies van der Rohe-designed art and architecture school at Indiana University and Morphosis Architects' Orange County Museum of Art in Costa Mesa, Calif., are among 10 projects to win IDEAS² Awards from the American Institute of Steel Construction.
Multifamily Housing | Feb 2, 2023
St. Louis’s first transit-oriented multifamily development opens in historic Skinker DeBaliviere neighborhood
St. Louis’s first major transit-oriented, multi-family development recently opened with 287 apartments available for rent. The $71 million Expo at Forest Park project includes a network of pathways to accommodate many modes of transportation including ride share, the region’s Metro Transit system, a trolley line, pedestrian traffic, automobiles, and bike traffic on the 7-mile St. Vincent Greenway Trail.
Giants 400 | Feb 2, 2023
2022 Convention Center Sector Giants: Top architecture, engineering, and construction firms in the U.S. convention and conference facilities sector
Clark Group, EUA, KPFF, Populous, TVS, and Walter P Moore top BD+C's rankings of the nation's largest convention and conference facilities architecture, engineering, and construction firms, as reported in the 2022 Giants 400 Report.
Multifamily Housing | Feb 1, 2023
Step(1) housing: A new approach to sheltering unhoused people in Redwood City, Calif.
A novel solution to homelessness will open soon in Redwood City, Calif. The compact residential campus employs modular units to create individual sleeping units, most with private bathrooms. The 240 units of housing will be accompanied by shared services and community spaces. Instead of the congregate dorm-style shelters found in many U.S. cities, this approach gives each resident a private, lockable, conditioned sleeping space.
