| 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
Steel Buildings | Feb 3, 2023
Top 10 structural steel building projects for 2023
A Mies van der Rohe-designed art and architecture school at Indiana University and Morphosis Architects' Orange County Museum of Art in Costa Mesa, Calif., are among 10 projects to win IDEAS² Awards from the American Institute of Steel Construction.
Multifamily Housing | Feb 2, 2023
St. Louis’s first transit-oriented multifamily development opens in historic Skinker DeBaliviere neighborhood
St. Louis’s first major transit-oriented, multi-family development recently opened with 287 apartments available for rent. The $71 million Expo at Forest Park project includes a network of pathways to accommodate many modes of transportation including ride share, the region’s Metro Transit system, a trolley line, pedestrian traffic, automobiles, and bike traffic on the 7-mile St. Vincent Greenway Trail.
Giants 400 | Feb 2, 2023
2022 Convention Center Sector Giants: Top architecture, engineering, and construction firms in the U.S. convention and conference facilities sector
Clark Group, EUA, KPFF, Populous, TVS, and Walter P Moore top BD+C's rankings of the nation's largest convention and conference facilities architecture, engineering, and construction firms, as reported in the 2022 Giants 400 Report.
Multifamily Housing | Feb 1, 2023
Step(1) housing: A new approach to sheltering unhoused people in Redwood City, Calif.
A novel solution to homelessness will open soon in Redwood City, Calif. The compact residential campus employs modular units to create individual sleeping units, most with private bathrooms. The 240 units of housing will be accompanied by shared services and community spaces. Instead of the congregate dorm-style shelters found in many U.S. cities, this approach gives each resident a private, lockable, conditioned sleeping space.
Codes and Standards | Feb 1, 2023
New Jersey to allow private firms to conduct construction inspections
New Jersey recently passed a law that will allow towns to supplement construction code enforcement with help from the private sector. The legislation, which received bipartisan support, also allows municipalities to enter into shared service agreements with neighboring towns for construction inspections.
Sports and Recreational Facilities | Feb 1, 2023
University of Houston opens 'game changer' wellness center at downtown campus
The University of Houston-Downtown (UHD) recently opened its new Wellness & Success Center (WSC). The $39 million, 75,000 sf facility greatly improves the quality of the school’s exercise programs and areas dedicated to them. It also establishes a dynamic core and recognizable landmark for fostering and nurturing an on-campus community, according to a news release from SmithGroup, which designed the building along with HarrisonKornberg Architects.
Giants 400 | Feb 1, 2023
2022 Cultural Facilities Giants: Top architecture, engineering, and construction firms in the U.S. cultural facilities sector
Populous, DLR Group, KPFF, Arup, and Turner Construction head BD+C's rankings of the nation's largest cultural facilities sector architecture, engineering, and construction firms, as reported in the 2022 Giants 400 Report. Building types include museums, public libraries, performing arts centers, and concert venues.
Giants 400 | Jan 31, 2023
2022 Retail Giants: Top architecture, engineering, and construction firms in the U.S. retail building sector
Gensler, CallisonRTKL, Kimley-Horn, Henderson Engineers, Whiting-Turner Contracting, and Turner Construction top BD+C's rankings of the nation's largest retail sector architecture, engineering, and construction firms, as reported in the 2022 Giants 400 Report.
Giants 400 | Jan 31, 2023
2022 Government Sector Giants: Top architecture, engineering, and construction firms in the U.S. government buildings sector
Gensler, Jacobs, Hensel Phelps, and Page top BD+C's rankings of the nation's largest government sector architecture, engineering, and construction firms, as reported in the 2022 Giants 400 Report.
Healthcare Facilities | Jan 31, 2023
How to solve humidity issues in hospitals and healthcare facilities
Humidity control is one of the top mechanical issues healthcare clients face. SSR's Lee Nordholm, PE, LEED AP, offers tips for handling humidity issues in hospitals and healthcare facilities.
