| Top 75 multifamily design firms | | |
| | Company | Billings ($) |
| 1 | Parsons Brinckerhoff | 83,660,000 |
| 2 | Arup | 66,000,000 |
| 3 | Dewberry | 38,550,000 |
| 4 | STV Group | 28,484,700 |
| 5 | RMJM | 27,297,809 |
| 6 | HKS | 24,047,300 |
| 7 | Callison | 18,500,000 |
| 8 | Arquitectonica | 16,224,000 |
| 9 | Kohn Pedersen Fox Associates | 16,060,000 |
| 10 | Wiss, Janney, Elstner Associates | 15,600,000 |
| 11 | HOK | 15,040,000 |
| 12 | Burt Hill | 14,232,000 |
| 13 | Niles Bolton Associates | 14,168,000 |
| 14 | Simpson Gumpertz & Heger | 13,176,000 |
| 15 | Thornton Tomasetti | 12,066,878 |
| 16 | Mithun | 11,520,000 |
| 17 | Skidmore, Owings & Merrill | 11,460,000 |
| 18 | Ingenium Group | 11,060,000 |
| 19 | URS Corp. | 10,500,000 |
| 20 | Smallwood, Reynolds, Stewart, Stewart & Associates | 9,768,100 |
| 21 | Solomon Cordwell Buenz | 8,695,000 |
| 22 | Perkins+Will | 8,000,000 |
| 23 | WATG | 6,653,340 |
| 24 | FXFOWLE Architects | 6,555,000 |
| 25 | CB Engineers | 5,725,500 |
| 26 | Cubellis | 5,580,000 |
| 27 | TRO Jung/Brannen | 5,429,200 |
| 28 | Perkins Eastman | 5,350,000 |
| 29 | Interface Engineering | 5,324,880 |
| 30 | Ziegler Cooper Architects | 5,310,000 |
| 31 | Coffman Engineers | 4,989,210 |
| 32 | ADD Inc. | 4,960,000 |
| 33 | Magnusson Klemencic Associates | 4,800,000 |
| 34 | Davis, Bowen & Friedel | 4,597,068 |
| 35 | Benham Companies | 4,511,967 |
| 36 | Stantec | 4,472,000 |
| 37 | MBH Architects | 4,470,087 |
| 38 | Rolf Jensen & Associates | 4,459,500 |
| 39 | RTKL Associates | 4,225,692 |
| 40 | HLW International | 4,070,000 |
| 41 | KlingStubbins | 3,720,000 |
| 42 | GreenbergFarrow | 3,630,000 |
| 43 | DeStefano and Partners | 3,612,000 |
| 44 | MulvannyG2 Architecture | 3,600,000 |
| 45 | Durrant Group, The | 3,056,000 |
| 46 | Environmental Systems Design | 2,940,000 |
| 47 | PageSoutherlandPage | 2,783,700 |
| 48 | KTA Group | 2,760,000 |
| 49 | Nelson | 2,696,996 |
| 50 | John A. Martin & Associates | 2,691,065 |
| 51 | OZ Architecture | 2,658,000 |
| 52 | Paulus, Sokolowski and Sartor | 2,604,000 |
| 53 | Cooper Carry | 2,562,900 |
| 54 | Swanke Hayden Connell Architects | 2,550,000 |
| 55 | Lilker Associates Consulting Engineers | 2,400,000 |
| 56 | TLC Engineering for Architecture | 2,187,431 |
| 57 | SBLM Architecture PC | 2,100,000 |
| 58 | KMD Architects | 2,050,000 |
| 58 | Weidlinger Associates | 2,050,000 |
| 60 | Nadel Architects | 1,820,000 |
| 61 | Glumac | 1,775,000 |
| 62 | Plunkett Raysich Architects | 1,760,000 |
| 63 | KKE Architects | 1,660,000 |
| 64 | KPFF Consulting Engineers | 1,620,000 |
| 65 | RNL Design | 1,584,000 |
| 66 | Carrier Johnson + Culture | 1,540,000 |
| 67 | VOA Associates | 1,530,000 |
| 68 | Harley Ellis Devereaux | 1,488,000 |
| 69 | Schirmer Engineering Corp. | 1,484,515 |
| 70 | KCI Technologies | 1,415,000 |
| 71 | Walter P Moore | 1,291,445 |
| 72 | M/E Engineering | 1,286,750 |
| 73 | Leo A Daly | 1,278,490 |
| 74 | Epstein | 1,250,000 |
| 75 | EwingCole | 1,250,000 |
| Source: 2009 Giants 300 survey. For more Giants 300 rankings, visit www.BDCnetwork.com/Giants |
