Stantec, HDR, and HOK head the rankings of the nation's largest architecture engineering (AE) firms for nonresidential and multifamily buildings work, as reported in Building Design+Construction's 2020 Giants 400 Report.
| Top 100 Architecture Engineering Firms for 2020 | ||
| FIRM | 2019 REVENUE | |
| 1 | Stantec | $761,250,364 |
| 2 | HDR | $561,400,000 |
| 3 | HOK | $485,000,000 |
| 4 | Skidmore, Owings & Merrill | $382,570,545 |
| 5 | CallisonRTKL | $355,622,236 |
| 6 | SmithGroup | $290,344,747 |
| 7 | DLR Group | $270,322,000 |
| 8 | IBI Group* | $258,720,000 |
| 9 | CannonDesign | $235,000,000 |
| 10 | Populous | $225,115,570 |
| 11 | EXP | $204,763,399 |
| 12 | Page | $193,000,000 |
| 13 | HGA | $152,724,962 |
| 14 | Ware Malcomb | $129,114,750 |
| 15 | PBK | $128,700,000 |
| 16 | EYP Architecture & Engineering | $127,096,262 |
| 17 | NORR* | $108,775,000 |
| 18 | HED | $104,000,000 |
| 19 | Flad Architects | $102,600,000 |
| 20 | LPA | $102,031,001 |
| 21 | Gresham Smith* | $89,760,000 |
| 22 | Leo A Daly | $89,188,739 |
| 23 | Huckabee | $83,961,669 |
| 24 | Humphreys & Partners Architects | $76,817,231 |
| 25 | Clark Nexsen | $76,590,000 |
| 26 | EwingCole | $75,900,000 |
| 27 | RS&H | $74,700,000 |
| 28 | Wold Architects and Engineers | $66,500,000 |
| 29 | Core States Group | $65,980,000 |
| 30 | Little Diversified Architectural Consulting | $62,558,375 |
| 31 | RSP Architects | $56,341,000 |
| 32 | CO Architects | $55,702,800 |
| 33 | Ballinger | $54,964,545 |
| 34 | E4H Environments for Health Architecture | $54,000,000 |
| 35 | S/L/A/M Collaborative, The | $53,648,000 |
| 36 | Goodwyn, Mills and Cawood | $51,530,220 |
| 37 | BSA LifeStructures | $49,639,534 |
| 38 | GreenbergFarrow | $48,000,000 |
| 39 | AE7 | $46,878,655 |
| 40 | RDG Planning & Design | $40,647,000 |
| 41 | WD Partners | $40,200,000 |
| 42 | Progressive AE | $39,331,593 |
| 43 | CESO | $36,567,217 |
| 44 | CPL | $36,189,853 |
| 45 | H2M Architects + Engineers | $34,016,838 |
| 46 | Cuhaci & Peterson | $32,805,510 |
| 47 | Bergmann | $32,400,000 |
| 48 | BKV Group | $31,920,402 |
| 49 | Hoefer Wysocki | $30,965,000 |
| 50 | Kahler Slater | $30,914,969 |
| 51 | GFF | $30,081,953 |
| 52 | Adrian Smith + Gordon Gill Architecture | $30,014,368 |
| 53 | Baskervill | $29,130,171 |
| 54 | Sheehan Nagle Hartray Architects (SNHA) | $28,115,000 |
| 55 | Wendel | $25,144,648 |
| 56 | Lawrence Group | $24,965,100 |
| 57 | DLZ Corporation | $24,064,500 |
| 58 | Huitt-Zollars | $23,712,000 |
| 59 | GMB Architecture + Engineering | $23,223,907 |
| 60 | Barge Design Solutions | $22,268,972 |
| 61 | Hollis + Miller Architects | $21,923,892 |
| 62 | Clark Enersen Partners, The | $20,529,244 |
| 63 | Stevens & Wilkinson | $20,506,000 |
| 64 | Aria Group Architects | $20,100,000 |
| 65 | SWBR Architecture, Engineering & Landscape Architecture | $19,590,432 |
| 66 | Whitman Requardt and Associates | $19,576,534 |
| 67 | LK Architecture | $19,100,000 |
| 68 | TETER | $18,533,834 |
| 69 | CSArch | $18,074,793 |
| 70 | SHP | $17,200,000 |
| 71 | Larson Design Group | $16,539,517 |
| 72 | Partners by Design | $15,950,000 |
| 73 | Fanning Howey Associates | $15,814,124 |
| 74 | BCA Architects & Engineers | $15,500,000 |
| 75 | Prellwitz Chilinski Associates (PCA) | $15,488,676 |
| 76 | Onyx Creative | $15,000,000 |
| 77 | ThenDesign Architecture | $15,000,000 |
| 78 | BSB Design | $14,218,122 |
| 79 | Wright Heerema Architects | $12,297,107 |
| 80 | DLA Architects | $12,278,778 |
| 81 | Emersion Design | $12,196,231 |
| 82 | Eckenhoff Saunders Architects | $12,158,000 |
| 83 | Garmann/Miller Architects-Engineers | $12,075,740 |
| 84 | KGD Architecture | $11,504,910 |
| 85 | SchraderGroup | $11,408,021 |
| 86 | Kitchen & Associates | $11,360,000 |
| 87 | Hussey Gay Bell | $10,441,254 |
| 88 | AG Architecture | $10,397,025 |
| 89 | JN+A | $10,360,000 |
| 90 | FreemanWhite, a Haskell Company | $9,881,547 |
| 91 | Miller Dunwiddie | $9,721,591 |
| 92 | Bostwick Design Partnership | $9,500,000 |
| 93 | Design Collaborative | $9,387,662 |
| 94 | Architectural Design Consultants | $8,398,000 |
| 95 | Glenn|Partners | $7,395,000 |
| 96 | PF&A Design | $7,215,119 |
| 97 | ACAI Associates | $4,763,206 |
| 98 | GRW | $3,645,364 |
| 99 | Ayres | $3,469,000 |
| 100 | 45 Architecture | $2,738,175 |
| 101 | Sebree Architects | $1,100,000 |
2020 Giants 400 Report *Editors' Estimate
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