| Rank | Company | 2013 A/E Revenue ($) |
| 1 | Stantec | $450,836,575 |
| 2 | HOK | $400,000,000 |
| 3 | Skidmore, Owings & Merrill | $334,525,346 |
| 4 | HDR | $303,000,000 |
| 5 | HKS | $255,063,624 |
| 6 | CannonDesign | $213,000,000 |
| 7 | RTKL Associates | $205,373,000 |
| 8 | SmithGroupJJR | $162,973,000 |
| 9 | Hammel, Green and Abrahamson | $119,100,000 |
| 10 | DLR Group | $110,000,000 |
| 11 | Leo A Daly | $107,370,172 |
| 12 | Page | $99,750,000 |
| 13 | Flad Architects | $77,200,000 |
| 14 | NORR | $77,138,166 |
| 15 | EYP Architecture & Engineering | $75,000,000 |
| 16 | Heery International | $69,483,688 |
| 17 | EwingCole | $66,400,000 |
| 18 | Gresham, Smith and Partners | $63,648,000 |
| 19 | Clark Nexsen | $62,965,000 |
| 20 | SHW Group | $56,587,000 |
| 21 | Little | $54,196,720 |
| 22 | RS&H | $49,000,000 |
| 23 | RSP Architects | $47,822,000 |
| 24 | LPA | $47,519,086 |
| 25 | CTA Architects Engineers | $45,875,649 |
| 26 | Harley Ellis Devereaux | $43,500,000 |
| 27 | PBK | $42,600,000 |
| 28 | Ware Malcomb | $42,100,000 |
| 29 | WD Partners | $41,800,000 |
| 30 | Nelson | $40,253,092 |
| 31 | Hunt Companies | $39,986,811 |
| 32 | Ballinger | $38,780,911 |
| 33 | BRPH | $36,516,000 |
| 34 | BSA LifeStructures | $36,345,640 |
| 35 | Moody Nolan | $36,130,811 |
| 36 | Epstein | $31,856,000 |
| 37 | PGAL | $30,680,000 |
| 38 | Morris Architects | $27,824,750 |
| 39 | Parkhill, Smith & Cooper | $27,519,000 |
| 40 | Bergmann Associates | $27,500,000 |
| 41 | Goodwyn Mills & Cawood | $26,864,800 |
| 42 | FreemanWhite | $25,543,154 |
| 43 | Westlake Reed Leskosky | $25,300,000 |
| 44 | Lord Aeck Sargent | $25,255,733 |
| 45 | Symmes Maini & McKee Associates | $23,385,000 |
| 46 | HNTB Corp. | $20,743,217 |
| 47 | Albert Kahn Associates | $20,173,778 |
| 48 | Environetics | $18,784,073 |
| 49 | Fanning/Howey Associates | $18,623,000 |
| 50 | SchenkelShultz Architecture | $18,570,000 |
| 51 | Integrus Architecture | $18,156,275 |
| 52 | Hastings+Chivetta Architects | $16,856,518 |
| 53 | Wight & Company (AE) | $16,194,000 |
| 54 | S/L/A/M Collaborative, The | $15,838,420 |
| 55 | Astorino | $14,092,666 |
| 56 | Rule Joy Trammell + Rubio | $14,053,380 |
| 57 | Nadel | $14,000,000 |
| 58 | LawKingdon Architecture | $13,500,000 |
| 59 | CASCO Diversified Corp. | $13,300,000 |
| 60 | Baskervill | $12,126,880 |
| 61 | Becker Morgan Group | $12,111,245 |
| 62 | Margulies Perruzzi Architects | $11,482,280 |
| 63 | TEG Architects | $10,387,812 |
| 64 | KZF Design | $10,192,399 |
| 65 | LaBella Associates | $9,768,684 |
| 66 | Rosser International | $8,971,774 |
| 67 | Sherlock, Smith & Adams | $8,318,000 |
| 68 | BBS Architects | $8,093,283 |
| 69 | Urban Design Group | $7,660,000 |
| 70 | Hoffmann Architects | $7,400,000 |
| 71 | JRS Architect | $5,900,000 |
| 72 | Sheehan Partners | $5,808,601 |
| 73 | TK Architects | $4,342,048 |
| 74 | Hensley Lamkin Rachel | $3,510,000 |
| 75 | Emersion Design | $3,507,325 |
| 76 | PHX Architecture | $3,300,000 |
| 77 | RDH Interests | $3,290,542 |
| 78 | ATA Beilharz Architects | $1,575,255 |
| 79 | Colkitt & Company | $1,100,000 |
| 80 | Poskanzer Skott | $1,025,000 |
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