Top 95 Architecture/Engineering Firms for 2021
Stantec, HDR, HOK, and SOM top the rankings of the nation's largest architecture engineering (AE) firms for nonresidential and multifamily buildings work, as reported in Building Design+Construction's 2021 Giants 400 Report.
| Top 95 Architecture/Engineering Firms for 2021 | ||
| FIRM | 2020 REVENUE | |
| 1 | Stantec | $688,974,028 |
| 2 | HDR | $585,400,000 |
| 3 | HOK | $447,000,000 |
| 4 | Skidmore, Owings & Merrill | $340,869,307 |
| 5 | DLR Group | $279,565,000 |
| 6 | CallisonRTKL | $273,026,107 |
| 7 | Smithgroup | $267,168,526 |
| 8 | IBI Group* | $252,322,000 |
| 9 | Page | $206,243,000 |
| 10 | CannonDesign | $190,000,000 |
| 11 | PGAL | $179,200,000 |
| 12 | PBK | $174,800,000 |
| 13 | Ware Malcomb | $160,272,290 |
| 14 | HGA | $150,376,927 |
| 15 | NORR | $128,839,831 |
| 16 | Gresham Smith | $128,160,701 |
| 17 | EYP | $124,775,275 |
| 18 | EwingCole | $108,500,000 |
| 19 | Flad Architects | $107,700,000 |
| 20 | LPA | $103,230,795 |
| 21 | Humphreys and Partners | $101,000,000 |
| 22 | Leo A Daly | $93,870,859 |
| 23 | HED | $90,910,000 |
| 24 | Huckabee | $88,467,417 |
| 25 | RS&H | $85,100,000 |
| 26 | Clark Nexsen | $72,240,000 |
| 27 | SLAM | $68,399,211 |
| 28 | Wold Architects and Engineers | $66,050,000 |
| 29 | Little Diversified Architectural Consulting | $63,369,659 |
| 30 | Goodwyn Mills Cawood | $54,356,191 |
| 31 | Core States Group | $48,423,057 |
| 32 | E4H Environments for Health Architecture | $47,000,000 |
| 33 | Progressive AE | $45,155,862 |
| 34 | BSA LifeStructures | $43,144,365 |
| 35 | RDG Planning & Design | $41,023,198 |
| 36 | H2M Architects + Engineers | $39,479,220 |
| 37 | CESO | $39,365,886 |
| 38 | Bergmann | $39,180,000 |
| 39 | LaBella Associates | $38,428,000 |
| 40 | CPL | $35,548,808 |
| 41 | Bermello Ajamil & Partners | $35,002,668 |
| 42 | G70 | $34,662,496 |
| 43 | GreenbergFarrow | $33,715,000 |
| 44 | WD Partners | $32,400,000 |
| 45 | Kahler Slater | $30,770,000 |
| 46 | Hoefer Welker | $29,403,000 |
| 47 | Ryan Companies US / Ryan A+E | $29,011,000 |
| 48 | AE7 | $28,666,471 |
| 49 | BSB Design | $28,271,751 |
| 50 | KZF Design | $28,224,951 |
| 51 | BKV Group | $26,925,531 |
| 52 | Sheehan Nagle Hartray Architects | $26,184,756 |
| 53 | Woolpert | $26,126,359 |
| 54 | GMB Architecture + Engineering | $26,011,414 |
| 55 | Hollis + Miller Architects | $25,711,480 |
| 56 | Huitt-Zollars | $23,640,045 |
| 57 | Clark & Enersen | $22,976,324 |
| 58 | DLZ Corp. | $22,908,867 |
| 59 | Barge Design Solutions | $22,268,972 |
| 60 | Lawrence Group | $22,139,868 |
| 61 | Fanning Howey Associates | $22,124,899 |
| 62 | Wendel | $21,615,494 |
| 63 | Becker Morgan Group | $20,842,926 |
| 64 | Baskervill | $19,861,254 |
| 65 | Cromwell Architects Engineers | $19,608,013 |
| 66 | Larson Design Group | $19,155,356 |
| 67 | TETER | $18,588,242 |
| 68 | SHP | $18,000,000 |
| 69 | Onyx Creative | $16,898,115 |
| 70 | BCA Architects & Engineers | $14,895,000 |
| 71 | BBS Architects | $12,681,939 |
| 72 | CSArch | $12,280,207 |
| 73 | KGD Architecture | $11,884,564 |
| 74 | CBRE | $11,305,250 |
| 75 | Hafer | $10,955,111 |
| 76 | Garmann Miller & Associates | $10,632,800 |
| 77 | DLA Architects | $10,159,751 |
| 78 | Álvarez-Díaz & Villalón | Architecture & Interior Design | $9,795,504 |
| 79 | Rosemann & Associates | $9,620,000 |
| 80 | Randall-Paulson Architects | $9,506,204 |
| 81 | Emersion Design | $9,406,573 |
| 82 | Eckenhoff Saunders Architects | $9,400,000 |
| 83 | Design Collaborative | $9,131,330 |
| 84 | Performa | $8,645,000 |
| 85 | Nehmer | $8,450,000 |
| 86 | Kitchen & Associates | $8,018,422 |
| 87 | KG+D Architects | $7,799,008 |
| 88 | Base4 | $7,708,335 |
| 89 | H. Hendy Associates | $7,422,652 |
| 90 | AG Architecture | $6,709,646 |
| 91 | PF&A Design | $6,373,157 |
| 92 | FreemanWhite, a Haskell Company | $5,959,730 |
| 93 | Architectural Design Consultants | $5,929,900 |
| 94 | RQAW | $5,267,267 |
| 95 | VEBH Architects | $4,587,555 |
| 96 | //3877 | $3,376,000 |
| 97 | GRW | $3,200,135 |
| 98 | Walbridge | $2,480,000 |
| 99 | Osports | $2,391,906 |
| 100 | Sebree Architects | $1,400,000 |
SOURCE: 2021 Giants 400 Report *Editors' estimate Note: GMB Architecture + Engineering was moved from Top 40 Engineering/Architecture Firms for 2021 on 10/27/21.
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