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.
BACK TO THE 2021 GIANTS 400 LANDING PAGE
Related Stories
Healthcare Facilities | Apr 13, 2023
Urgent care facilities: Intentional design for mental and behavioral healthcare
The emergency department (ED) is the de-facto front door for behavior health crises, and yet these departments are understaffed, overwhelmed, and ill-equipped to navigate the layered complexities of highly demanding physical and behavioral health needs.
Office Buildings | Apr 13, 2023
L.A. headquarters for startup Califia Farms incorporates post-pandemic hybrid workplace design concepts
The new Los Angeles headquarters for fast-growing Califia Farms, a brand of dairy alternative products, was designed by SLAM with the post-Covid hybrid work environment in mind. Located in Maxwell Coffee House, a historic production facility built in 1924 that has become a vibrant mixed-use complex, the office features a café bordered by generous meeting rooms.
Urban Planning | Apr 12, 2023
Watch: Trends in urban design for 2023, with James Corner Field Operations
Isabel Castilla, a Principal Designer with the landscape architecture firm James Corner Field Operations, discusses recent changes in clients' priorities about urban design, with a focus on her firm's recent projects.
3D Printing | Apr 11, 2023
University of Michigan’s DART Laboratory unveils Shell Wall—a concrete wall that’s lightweight and freeform 3D printed
The University of Michigan’s DART Laboratory has unveiled a new product called Shell Wall—which the organization describes as the first lightweight, freeform 3D printed and structurally reinforced concrete wall. The innovative product leverages DART Laboratory’s research and development on the use of 3D-printing technology to build structures that require less concrete.
Market Data | Apr 11, 2023
Construction crane count reaches all-time high in Q1 2023
Toronto, Seattle, Los Angeles, and Denver top the list of U.S/Canadian cities with the greatest number of fixed cranes on construction sites, according to Rider Levett Bucknall's RLB Crane Index for North America for Q1 2023.
University Buildings | Apr 11, 2023
Supersizing higher education: Tracking the rise of mega buildings on university campuses
Mega buildings on higher education campuses aren’t unusual. But what has been different lately is the sheer number of supersized projects that have been in the works over the last 12–15 months.
Architects | Apr 10, 2023
Bill Hellmuth, FAIA, Chairman and CEO of HOK, dies at 69
William (Bill) Hellmuth, FAIA, the Chairman and CEO of HOK, passed away on April 6, 2023, after a long illness. Hellmuth designed dozens of award-winning buildings across the globe, including the Abu Dhabi National Oil Company Headquarters and the U.S. Embassy in Nairobi.
Contractors | Apr 10, 2023
What makes prefabrication work? Factors every construction project should consider
There are many factors requiring careful consideration when determining whether a project is a good fit for prefabrication. JE Dunn’s Brian Burkett breaks down the most important considerations.
Industrial Facilities | Apr 10, 2023
Implementing human-centric design in operations and maintenance facilities
Stantec's Ryan Odell suggests using the human experience to advance OMSF design that puts a focus on wellness and efficiency.
Mixed-Use | Apr 7, 2023
New Nashville mixed-use high-rise features curved, stepped massing and wellness focus
Construction recently started on 5 City Blvd, a new 15-story office and mixed-use building in Nashville, Tenn. Located on a uniquely shaped site, the 730,000-sf structure features curved, stepped massing and amenities with a focus on wellness.
