| TOP 100 K-12 SCHOOL ARCHITECTURE FIRMS | ||
| Rank | Firm | 2015 Revenue |
| 1 | DLR Group | $66,300,000 |
| 2 | Stantec | $64,964,601 |
| 3 | Huckabee | $60,544,770 |
| 4 | PBK | $55,230,000 |
| 5 | Wold Architects and Engineers | $26,600,000 |
| 6 | NAC Architecture | $24,647,620 |
| 7 | HMC Architects | $24,031,965 |
| 8 | Perkins+Will | $19,790,000 |
| 9 | LPA | $19,662,221 |
| 10 | Fanning/Howey Associates | $18,915,132 |
| 11 | Moseley Architects | $18,370,949 |
| 12 | Heery International | $18,176,260 |
| 13 | Corgan | $17,550,000 |
| 14 | Parkhill, Smith & Cooper | $16,043,099 |
| 15 | Quattrocchi Kwok Architects | $13,695,000 |
| 16 | Perkins Eastman | $13,650,000 |
| 17 | HKS | $12,527,187 |
| 18 | Integrus Architecture | $10,845,992 |
| 19 | HMFH Architects | $10,782,018 |
| 20 | Grimm + Parker Architects | $10,051,360 |
| 21 | Hord Coplan Macht | $9,078,372 |
| 22 | FGM Architects | $9,069,807 |
| 23 | Eppstein Uhen Architects | $8,829,955 |
| 24 | SMMA | Symmes Maini & McKee Associates | $8,799,582 |
| 25 | Paulus, Sokolowski and Sartor | $8,789,500 |
| 26 | Harvard Jolly | $8,726,452 |
| 27 | SEI Design Group | $8,672,400 |
| 28 | DLA Architects | $8,346,101 |
| 29 | LS3P | $8,103,990 |
| 30 | GWWO | $7,313,185 |
| 31 | Legat Architects | $7,110,000 |
| 32 | Schenkel & Shultz | $7,093,973 |
| 33 | BLDD Architects | $6,560,000 |
| 34 | Goodwyn, Mills and Cawood | $6,427,043 |
| 35 | BRPH | $6,336,926 |
| 36 | John Ciardullo Associates | $6,334,509 |
| 37 | S/L/A/M Collaborative, The | $5,455,000 |
| 38 | BWBR | $5,109,656 |
| 39 | Ashley McGraw Architects | $5,107,357 |
| 40 | Zyscovich Architects | $5,041,657 |
| 41 | Leo A Daly | $4,835,039 |
| 42 | BBS Architects and Engineers | $4,830,000 |
| 43 | Cuningham Group Architecture | $4,744,591 |
| 44 | Schrader Group Architecture | $4,201,726 |
| 45 | KSQ Design | $4,008,954 |
| 46 | EwingCole | $3,942,000 |
| 47 | Harley Ellis Devereaux | $3,900,000 |
| 48 | Becker Morgan Group | $3,690,208 |
| 49 | JLG Architects | $3,641,020 |
| 50 | Hastings+Chivetta Architects | $3,400,000 |
| 51 | Clark Nexsen | $3,371,274 |
| 52 | Urbahn Architects | $3,280,000 |
| 53 | Cooper Carry | $3,118,175 |
| 54 | CTA Architects Engineers | $2,737,466 |
| 55 | RS&H | $2,700,000 |
| 56 | Moody Nolan | $2,500,000 |
| 57 | Little | $2,470,300 |
| 58 | FXFOWLE | $2,255,465 |
| 59 | DAG Architects | $2,250,000 |
| 60 | LMN Architects | $1,915,000 |
| 61 | Nelson Worldwide Holdings | $1,677,911 |
| 62 | Gensler | $1,600,000 |
| 63 | Studios Architecture | $1,513,305 |
| 64 | OZ Architecture | $1,382,571 |
| 65 | Environetics | $1,353,100 |
| 66 | Dattner Architects | $1,214,551 |
| 67 | Mithun | $1,154,000 |
| 68 | Robert A.M. Stern Architects | $1,138,000 |
| 69 | Kirksey Architecture | $1,123,123 |
| 70 | CASCO | $1,000,000 |
| 71 | Architects Hawaii Ltd. | $870,000 |
| 72 | Smallwood, Reynolds, Stewart, Stewart & Associates | $786,356 |
| 73 | Marshall Craft Associates | $777,378 |
| 74 | Beyer Blinder Belle Architects & Planners | $730,360 |
| 75 | GFF | $723,148 |
| 76 | RSP Architects | $652,000 |
| 77 | Beck Group, The | $624,193 |
| 78 | NORR | $572,861 |
| 79 | Bergmann Associates | $540,096 |
| 80 | CO Architects | $487,000 |
| 81 | Ware Malcomb | $440,030 |
| 82 | Morris Architects | $419,000 |
| 83 | Hoffmann Architects | $392,195 |
| 84 | Solomon Cordwell Buenz | $377,599 |
| 85 | ATA Beilharz Architects | $367,027 |
| 86 | STG Design | $342,000 |
| 87 | Nadel | $289,272 |
| 88 | ACAI Associates | $250,000 |
| 89 | Vocon | $248,414 |
| 90 | Brownstone Construction Group | $238,025 |
| 91 | HGA | $231,000 |
| 92 | Larson Design Group | $229,345 |
| 93 | GSB | $190,015 |
| 94 | Guernsey | $157,553 |
| 95 | MV+A Architects | $155,434 |
| 96 | BKSK Architects | $147,970 |
| 97 | Inventure Design Group | $131,969 |
| 98 | Gresham, Smith and Partners | $110,000 |
| 99 | Barge Waggoner Sumner & Cannon | $100,000 |
| 100 | Lawrence Group | $98,000 |
| 101 | Emersion Design | $76,250 |
| 102 | JRS Architect | $50,000 |
| 103 | GRW | $42,708 |
| 104 | Davis Brody Bond | $41,301 |
| 105 | FitzGerald Associates Architects | $40,000 |
| 106 | MBH Architects | $24,000 |
| 107 | CallisonRTKL | $22,000 |
| 108 | TEG Architects | $12,064 |
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