| Rank | Company | 2012 S+T Revenue ($) |
| 1 | HDR Architecture | $91,252,000 |
| 2 | Perkins+Will | $48,373,568 |
| 3 | HOK | $38,347,000 |
| 4 | Stantec | $33,111,469 |
| 5 | SmithGroupJJR | $26,400,000 |
| 6 | Flad Architects | $21,480,000 |
| 7 | Payette | $18,434,029 |
| 8 | ZGF Architects | $16,214,267 |
| 9 | EwingCole | $11,000,000 |
| 10 | FKP Architects | $10,250,000 |
| 11 | Ennead Architects | $6,780,000 |
| 12 | NBBJ | $4,942,000 |
| 13 | PageSoutherlandPage | $4,520,000 |
| 14 | Perkins Eastman | $4,350,000 |
| 15 | Harley Ellis Devereaux | $4,333,000 |
| 16 | BSA LifeStructures | $4,160,841 |
| 17 | Gensler | $3,000,000 |
| 18 | Ware Malcomb | $2,752,000 |
| 19 | Solomon Cordwell Buenz | $2,500,000 |
| 20 | NELSON | $2,213,915 |
| 21 | Reynolds, Smith and Hills | $2,180,000 |
| 22 | HLW International | $2,000,000 |
| 23 | Lord, Aeck & Sargent | $2,000,000 |
| 24 | SHW Group | $1,545,528 |
| 25 | IBI Group | $1,533,629 |
| 26 | EYP | $1,500,000 |
| 27 | FGM Architects | $1,489,000 |
| 28 | Kirksey Architecture | $1,480,677 |
| 29 | Emersion Design | $1,415,292 |
| 30 | SMMA | Symmes Maini & McKee Associates | $1,350,000 |
| 31 | S/L/A/M Collaborative, The | $1,224,000 |
| 32 | HKS | $1,000,000 |
| 33 | Francis Cauffman | $770,867 |
| 34 | Westlake Reed Leskosky | $500,000 |
| 35 | VOA Associates | $270,000 |
| 36 | KZF Design | $255,878 |
| 37 | Omniplan Architects | $238,983 |
| 38 | Harvard Jolly Architecture | $182,000 |
| 39 | JRS Architect | $150,000 |
| 40 | DesignGroup | $103,204 |
| 41 | Environetics | $100,000 |
| 42 | BBS Architects, Landscape Architects and Engineers | $55,000 |
| 43 | Mithun | $43,000 |
| 44 | Skidmore, Owings & Merrill | $42,000 |
| 45 | Nadel | $35,000 |
| 46 | FXFOWLE Architects | $18,880 |
| 47 | RSP Architects | $16,000 |
| 48 | Cooper Carry | $14,724 |
| 49 | Carrier Johnson + Culture | $11,500 |
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