| Rank | Company | 2012 Local Government Revenue ($) |
| 1 | Stantec | $71,896,892 |
| 2 | HOK | $49,140,000 |
| 3 | IBI Group | $37,523,493 |
| 4 | Heery International | $23,648,201 |
| 5 | PGAL | $19,500,000 |
| 6 | Perkins+Will | $12,997,959 |
| 7 | EYP | $11,000,000 |
| 8 | Skidmore, Owings & Merrill | $10,903,000 |
| 9 | Reynolds, Smith and Hills | $10,900,000 |
| 10 | ZGF Architects | $10,014,686 |
| 11 | Leo A Daly | $9,843,419 |
| 12 | HDR Architecture | $9,088,649 |
| 13 | Kaplan McLaughlin Diaz | $8,401,994 |
| 14 | Fentress Architects | $7,864,890 |
| 15 | SmithGroupJJR | $7,200,000 |
| 16 | HMC Architects | $6,473,080 |
| 17 | HNTB Archtecture | $5,733,633 |
| 18 | Sasaki Associates | $5,532,630 |
| 19 | Epstein | $5,089,000 |
| 20 | Wight & Co. | $4,710,300 |
| 21 | Moseley Architects | $4,431,529 |
| 22 | Albert Kahn Family of Companies | $4,411,177 |
| 23 | Beyer Blinder Belle Architects & Planners | $4,215,038 |
| 24 | LMN Architects | $4,125,500 |
| 25 | HKS | $3,600,000 |
| 26 | Goodwyn, Mills & Cawood | $3,560,000 |
| 27 | BBS Architects, Landscape Architects and Engineers | $3,100,000 |
| 28 | Swanke Hayden Connell Asrchitects | $3,000,000 |
| 29 | Ennead Architects | $2,890,000 |
| 30 | FGM Architects | $2,722,245 |
| 31 | Little | $2,529,000 |
| 32 | Morris Architects | $2,300,000 |
| 33 | Fletcher-Thompson | $2,275,000 |
| 34 | CTA Architects Engineers | $1,610,105 |
| 35 | LPA | $1,582,631 |
| 36 | Solomon Cordwell Buenz | $1,500,000 |
| 36 | Westlake Reed Leskosky | $1,500,000 |
| 38 | NBBJ | $1,439,000 |
| 39 | Harley Ellis Devereaux | $1,323,000 |
| 40 | RNL | $832,000 |
| 41 | Kirksey Architecture | $784,592 |
| 42 | CO Architects | $772,000 |
| 43 | Good Fulton & Farrell | $761,297 |
| 44 | TEG Architects - The Estopinal Group | $754,228 |
| 45 | H3 Hardy Collaboration Architecture | $750,000 |
| 46 | KZF Design | $736,905 |
| 47 | Nadel | $679,134 |
| 48 | Hoefer Wysocki Architecture | $639,000 |
| 49 | RTKL Associates | $626,000 |
| 50 | Gresham, Smith and Partners | $625,969 |
| 51 | Ware Malcomb | $608,000 |
| 52 | PageSoutherlandPage | $564,550 |
| 53 | Shepley Bulfinch Richardson & Abbott | $522,550 |
| 54 | GBBN Architects | $500,000 |
| 55 | LS3P | $487,648 |
| 56 | Perkins Eastman | $475,000 |
| 57 | Ashley McGraw Architects | $457,881 |
| 58 | Emersion Design | $435,679 |
| 59 | Smallwood, Reynolds, Stewart, Stewart & Associates | $427,939 |
| 60 | OZ Architecture | $414,466 |
| 61 | DLA Architects | $408,180 |
| 62 | Carrier Johnson + Culture | $387,386 |
| 63 | Legat Architects | $348,000 |
| 64 | Hnedak Bobo Group | $335,000 |
| 65 | VOA Associates | $324,770 |
| 66 | RSP Architects | $301,000 |
| 67 | WDG Architecture | $215,000 |
| 68 | Astorino | $209,000 |
| 69 | Environetics | $199,427 |
| 70 | FXFOWLE Architects | $184,551 |
| 71 | Niles Bolton Associates | $165,693 |
| 72 | Cambridge Seven Associates | $150,000 |
| 73 | Cooper Carry | $148,453 |
| 74 | Hoffmann Architects | $100,000 |
| 75 | Francis Cauffman | $59,377 |
| 76 | JRS Architect | $50,000 |
| 77 | DesignGroup | $18,330 |
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