| TOP 80 ARCHITECTURE/ENGINEERING FIRMS | ||
| Rank | Firm | 2015 Revenue |
| 1 | Stantec | $579,413,704 |
| 2 | HOK | $450,824,000 |
| 3 | CallisonRTKL | $405,559,000 |
| 4 | Skidmore, Owings & Merrill | $352,332,272 |
| 5 | HDR | $314,800,000 |
| 6 | SmithGroupJJR | $222,085,339 |
| 7 | CannonDesign | $218,000,000 |
| 8 | DLR Group | $158,000,000 |
| 9 | EYP | $149,595,604 |
| 10 | HGA | $142,750,000 |
| 11 | Page | $139,000,000 |
| 12 | NORR | $137,488,821 |
| 13 | Gresham, Smith and Partners | $101,024,000 |
| 14 | Leo A Daly | $96,548,666 |
| 15 | Nelson Worldwide Holdings | $79,872,131 |
| 16 | Flad Architects | $74,100,000 |
| 17 | EwingCole | $65,754,000 |
| 18 | LPA | $64,063,658 |
| 19 | Clark Nexsen | $63,701,392 |
| 20 | BRPH | $63,095,404 |
| 21 | Harley Ellis Devereaux | $63,000,000 |
| 22 | Ware Malcomb | $62,861,465 |
| 23 | PBK | $62,400,000 |
| 24 | Huckabee | $60,544,770 |
| 25 | CTA Architects Engineers | $56,540,243 |
| 26 | RSP Architects | $54,613,000 |
| 27 | RS&H | $54,000,000 |
| 28 | GreenbergFarrow | $53,134,312 |
| 29 | Little | $49,406,000 |
| 30 | Ballinger | $47,381,276 |
| 31 | Moseley Architects | $43,618,103 |
| 32 | S/L/A/M Collaborative, The | $40,950,000 |
| 33 | Morris Architects | $40,700,000 |
| 34 | Westlake Reed Leskosky | $40,210,398 |
| 35 | Heery International | $36,368,516 |
| 36 | WD Partners | $36,123,000 |
| 37 | Wold Architects and Engineers | $35,800,000 |
| 38 | Parkhill, Smith & Cooper | $35,733,070 |
| 39 | Lawrence Group | $33,275,000 |
| 40 | HNTB Corporation | $31,894,668 |
| 41 | Goodwyn, Mills and Cawood | $30,704,308 |
| 42 | Bergmann Associates | $28,865,335 |
| 43 | Environetics | $27,973,007 |
| 44 | Paulus, Sokolowski and Sartor | $27,380,000 |
| 45 | FXFOWLE | $26,881,440 |
| 46 | SMMA | Symmes Maini & McKee Associates | $26,523,596 |
| 47 | FreemanWhite | $25,681,732 |
| 48 | Integrus Architecture | $24,284,055 |
| 49 | Guernsey | $23,062,942 |
| 50 | Alliiance | $22,507,000 |
| 51 | KSQ Design | $21,148,806 |
| 52 | Epstein | $19,600,000 |
| 53 | Fanning/Howey Associates | $19,167,566 |
| 54 | Schenkel & Shultz | $18,774,000 |
| 55 | LK Architecture | $17,640,000 |
| 56 | Baskervill | $15,538,552 |
| 57 | Albert Kahn Associates | $15,500,000 |
| 58 | Sargenti Architects | $15,450,000 |
| 59 | Nadel | $15,016,519 |
| 60 | Becker Morgan Group | $14,500,530 |
| 61 | CASCO | $14,450,000 |
| 62 | Herschman Architects | $14,077,722 |
| 63 | Rosser International | $13,067,871 |
| 64 | Anderson Mikos Architects | $12,866,000 |
| 65 | Wright Heerema Architects | $11,500,000 |
| 66 | Barge Waggoner Sumner & Cannon | $11,425,000 |
| 67 | DLA Architects | $9,603,058 |
| 68 | Hoffmann Architects | $8,988,750 |
| 69 | DLA+ Architecture & Interior Design | $8,842,000 |
| 70 | GSB | $7,801,562 |
| 71 | Jonathan Nehmer + Associates | $7,592,298 |
| 72 | Larson Design Group | $7,534,381 |
| 73 | BBS Architects and Engineers | $7,010,000 |
| 74 | ACAI Associates | $6,780,000 |
| 75 | John Ciardullo Associates | $6,682,132 |
| 76 | ai Design Group | $6,407,028 |
| 77 | Emersion Design | $6,355,288 |
| 78 | TK Architects International | $5,314,888 |
| 79 | DAG Architects | $4,500,000 |
| 80 | Jencen Architecture | $4,000,000 |
| 81 | NewStudio Architecture | $3,950,000 |
| 82 | Convergence Design | $1,234,000 |
| 83 | GRW | $1,233,162 |
RETURN TO THE GIANTS 300 LANDING PAGE
Related Stories
Giants 400 | Aug 30, 2023
Top 75 Engineering Firms for 2023
Kimley-Horn, WSP, Tetra Tech, Langan, and IMEG head the rankings of the nation's largest engineering firms for nonresidential buildings and multifamily buildings work, as reported in Building Design+Construction's 2023 Giants 400 Report.
Building Team | Aug 28, 2023
Navigating challenges in construction administration
Vessel Architecture's Rebekah Schranck, AIA, shares how the demanding task of construction administration can be challenging, but crucial.
Laboratories | Aug 24, 2023
Net-zero carbon science center breaks ground in Canada
Designed by Diamond Schmitt, the new Atlantic Science Enterprise Centre (ASEC) will provide federal scientists and partners with state-of-the-art space and equipment to collaborate on research opportunities.
Multifamily Housing | Aug 24, 2023
A multifamily design for multigenerational living
KTGY’s Family Flat concept showcases the benefits of multigenerational living through a multifamily design lens.
Multifamily Housing | Aug 23, 2023
Constructing multifamily housing buildings to Passive House standards can be done at cost parity
All-electric multi-family Passive House projects can be built at the same cost or close to the same cost as conventionally designed buildings, according to a report by the Passive House Network. The report included a survey of 45 multi-family Passive House buildings in New York and Massachusetts in recent years.
Regulations | Aug 23, 2023
Gas industry drops legal challenge to heat pump requirement in Washington building code
Gas and construction industry groups recently moved to dismiss a lawsuit they had filed to block new Washington state building codes that require heat pumps in new residential and commercial construction. The lawsuit contended that the codes harm the industry groups’ business, interfere with consumer energy choice, and don’t comply with federal law.
Government Buildings | Aug 23, 2023
White House wants to ‘aggressively’ get federal workers back to the office
The Biden administration wants to “aggressively” get federal workers back in the office by September or October. “We are returning to in-person work because it is critical to the well-being of our teams and will enable us to deliver better results for the American people,” according to an email by White House Chief of Staff Jeff Zients. The administration will not eliminate remote work entirely, though.
Building Owners | Aug 23, 2023
Charles Pankow Foundation releases free project delivery selection tool for building owners, developers, and project teams
Building owners and project teams can use the new Building Owner Assessment Tool (BOAT) to better understand how an owner's decision-making profile impacts outcomes for different project delivery methods.
Transportation & Parking Facilities | Aug 23, 2023
California parking garage features wind-activated moving mural
A massive, colorful, moving mural creatively conceals a newly opened parking garage for a global technology company in Mountain View, Calif.
Giants 400 | Aug 22, 2023
Top 115 Architecture Engineering Firms for 2023
Stantec, HDR, Page, HOK, and Arcadis North America top the rankings of the nation's largest architecture engineering (AE) firms for nonresidential building and multifamily housing work, as reported in Building Design+Construction's 2023 Giants 400 Report.
