Gensler, Perkins and Will, and HKS Architects top the rankings of the nation's largest architecture firms for nonresidential and multifamily buildings work, as reported in Building Design+Construction's 2020 Giants 400 Report.
| Top 155 Architecture Firms for 2020 | ||
| FIRM | 2019 REVENUE | |
| 1 | Gensler | $1,524,563,403 |
| 2 | Perkins and Will | $670,322,000 |
| 3 | HKS Architects | $435,546,817 |
| 4 | Perkins Eastman | $274,710,000 |
| 5 | NBBJ | $220,500,000 |
| 6 | Nelson Worldwide | $219,954,000 |
| 7 | Corgan | $208,746,683 |
| 8 | PGAL | $201,913,000 |
| 9 | ZGF Architects | $201,141,087 |
| 10 | KPF* | $172,536,000 |
| 11 | Interior Architects | $165,366,435 |
| 12 | HNTB Corporation | $128,636,728 |
| 13 | HMC Architects | $112,327,528 |
| 14 | Cuningham Group Architecture | $94,123,716 |
| 15 | Cooper Carry | $92,702,155 |
| 16 | KTGY Architecture + Planning | $89,423,409 |
| 17 | Elkus Manfredi Architects | $86,500,000 |
| 18 | WATG | $85,193,361 |
| 19 | Hord Coplan Macht | $84,741,918 |
| 20 | LS3P | $81,755,571 |
| 21 | Solomon Cordwell Buenz (SCB) | $77,127,737 |
| 22 | Moseley Architects | $72,320,810 |
| 23 | Payette | $68,980,100 |
| 24 | Ennead Architects | $64,189,600 |
| 25 | TPG Architecture | $63,530,000 |
| 26 | Moody Nolan | $62,107,000 |
| 27 | Kirksey Architecture | $61,840,345 |
| 28 | JCJ Architecture | $57,788,471 |
| 29 | CBT | $57,762,185 |
| 30 | LMN Architects | $56,300,000 |
| 31 | HLW | $55,000,000 |
| 32 | Beck Group | $54,688,906 |
| 33 | VLK Architects | $54,628,180 |
| 34 | Ayers Saint Gross | $53,622,118 |
| 35 | Handel Architects | $53,344,494 |
| 36 | Fentress Architects | $52,700,000 |
| 37 | Shepley Bulfinch | $52,525,655 |
| 38 | Quinn Evans | $50,964,432 |
| 39 | Diamond Schmitt Architects | $50,271,295 |
| 40 | DGA | $50,015,644 |
| 41 | Ratio Architects | $47,296,578 |
| 42 | Eppstein Uhen Architects (EUA) | $46,677,000 |
| 43 | Wilson Associates | $45,000,000 |
| 44 | BHDP Architecture | $43,978,941 |
| 45 | MBH Architects | $43,947,000 |
| 46 | RBB Architects | $42,600,000 |
| 47 | NAC Architecture | $41,501,278 |
| 48 | TreanorHL | $41,486,000 |
| 49 | BWBR | $41,180,000 |
| 50 | Mithun | $41,135,004 |
| 51 | Niles Bolton Associates | $41,016,024 |
| 52 | WLC Architects | $40,593,271 |
| 53 | Steelman Partners | $38,900,000 |
| 54 | Sasaki | $37,375,697 |
| 55 | Ted Moudis Associates | $36,000,000 |
| 56 | FXCollaborative | $35,843,592 |
| 57 | Vocon | $35,000,000 |
| 58 | Smallwood | $32,652,632 |
| 59 | G70 | $32,314,000 |
| 60 | Goettsch Partners | $31,890,000 |
| 61 | Grimm + Parker Architects | $31,268,478 |
| 62 | WDG Architecture | $30,800,000 |
| 63 | Array Architects | $30,700,000 |
| 64 | HBG Design | $29,647,000 |
| 65 | GBBN | $28,700,000 |
| 66 | Orcutt | Winslow | $28,200,000 |
| 67 | GGLO | $27,795,524 |
| 68 | Alliiance | $27,562,495 |
| 69 | FGM Architects | $26,879,516 |
| 70 | Zyscovich Architects | $26,812,414 |
| 71 | AHL | $26,765,174 |
| 72 | Quattrocchi Kwok Architects | $26,500,000 |
| 73 | FCA | $26,301,450 |
| 74 | Dattner Architects | $26,040,480 |
| 75 | Rule Joy Trammell + Rubio | $26,002,138 |
| 76 | SLCE Architects | $26,000,000 |
| 77 | HuntonBrady Architects | $24,990,400 |
| 78 | Carrier Johnson + Culture | $24,347,709 |
| 79 | Davis Brody Bond | $24,098,516 |
| 80 | Harvard Jolly Architecture | $23,900,681 |
| 81 | RDC / Studio One Eleven | $23,275,214 |
| 82 | SchenkelShultz Architecture | $22,978,557 |
| 83 | Taylor Design | $22,245,000 |
| 84 | Legat Architects | $22,229,000 |
| 85 | M+A Architects | $21,827,960 |
| 86 | Huntsman Architectural Group | $20,314,198 |
| 87 | Fogarty Finger Architecture | $19,825,000 |
| 88 | Champlin Architecture | $19,731,252 |
| 89 | JLG Architects | $19,512,127 |
| 90 | Spiezle Group | $19,237,000 |
| 91 | GWWO Architects | $19,236,153 |
| 92 | Urbahn Architects | $18,823,940 |
| 93 | HMFH Architects | $18,134,525 |
| 94 | Fennick McCredie Architecture | $17,662,378 |
| 95 | Ratcliff | $17,596,000 |
| 96 | SGA | $16,514,203 |
| 97 | Hill West Architects | $16,500,000 |
| 98 | YGH Architecture | $16,330,614 |
| 99 | Architecture, Incorporated | $16,000,000 |
| 100 | REES | $15,376,157 |
| 101 | BLDD Architects | $15,330,000 |
| 102 | Architectural Resources Cambridge (ARC) | $15,182,928 |
| 103 | TRIA | $14,735,000 |
| 104 | Massa Multimedia Architecture | $14,475,000 |
| 105 | Dyer Brown Architects | $13,564,264 |
| 106 | KCCT | $13,250,790 |
| 107 | EDI International | $13,093,857 |
| 108 | BLT Architects | $13,062,189 |
| 109 | CTA Architects | $12,710,483 |
| 110 | Weber Thompson | $12,587,178 |
| 111 | KCBA Architects | $12,455,258 |
| 112 | SEI Design Group Architects | $12,372,493 |
| 113 | TEG Architects | $12,359,425 |
| 114 | H. Hendy Associates | $12,052,975 |
| 115 | STR Partners | $11,840,390 |
| 116 | Margulies Perruzzi | $10,673,065 |
| 117 | Method Architecture | $10,360,715 |
| 118 | Hastings+Chivetta Architects | $10,250,000 |
| 119 | Ashley McGraw Architects | $10,231,607 |
| 120 | Premier Project Management | $10,000,000 |
| 121 | Cortland Build | $9,768,851 |
| 122 | VMDO Architects | $9,737,000 |
| 123 | AE Works Ltd. | $9,636,000 |
| 124 | Randall-Paulson Architects | $9,514,962 |
| 125 | BASE4 | $9,300,000 |
| 126 | Fugleberg Koch | $9,000,000 |
| 127 | Crawford Architects | $8,820,000 |
| 128 | FitzGerald | $8,818,000 |
| 129 | GSB | $8,690,900 |
| 130 | SGA|NarmourWright Design | $8,532,486 |
| 131 | MEIS Architects | $8,421,000 |
| 132 | Álvarez-Díaz & Villalón | Architecture & Interior Design | $8,345,258 |
| 133 | Montroy DeMarco Architecture | $8,274,000 |
| 134 | Finegold Alexander Architects | $8,079,649 |
| 135 | Holst Architecture | $7,526,541 |
| 136 | 4240 Architecture | $7,512,000 |
| 137 | Architecture Design Collaborative | $7,500,000 |
| 138 | Mascari Warner Dinh Architects | $7,500,000 |
| 139 | StudioGC architecture + interiors | $7,481,034 |
| 140 | Blair + Mui Dood Architects | $7,300,000 |
| 141 | Adache Group Architects | $7,250,000 |
| 142 | DLA+ Architecture & Interior Design | $7,240,000 |
| 143 | Studio+ | $6,693,813 |
| 144 | BBGM | $5,652,150 |
| 145 | McFarlane Architects | $5,050,000 |
| 146 | NSPJ Architects | $4,985,962 |
| 147 | BRP Architects | $4,858,000 |
| 148 | JRS Architect | $4,800,000 |
| 149 | Caldwell Associates Architects | $4,420,841 |
| 150 | 3877 Design | $4,033,172 |
| 151 | RGA Architects | $3,262,030 |
| 152 | ATA Beilharz Architects | $2,775,000 |
| 153 | Design 3 International (D3i) | $2,596,794 |
| 154 | Hospitality Design Guild | $1,400,000 |
| 155 | Line Scale Form Architects | $1,112,930 |
| 156 | AE Design Group | $684,150 |
2020 Giants 400 Report Editors' estimate
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