| TOP 100 OFFICE ARCHITECTURE FIRMS | ||
| Rank | Firm | 2015 Revenue |
| 1 | Gensler | $593,420,000 |
| 2 | HOK | $138,657,000 |
| 3 | Perkins+Will | $118,380,000 |
| 4 | Stantec | $94,328,923 |
| 5 | Skidmore, Owings & Merrill | $75,673,007 |
| 6 | Nelson Worldwide Holdings | $66,167,382 |
| 7 | ZGF Architects | $58,827,045 |
| 8 | CallisonRTKL | $54,320,000 |
| 9 | HGA | $50,310,000 |
| 10 | SmithGroupJJR | $47,013,000 |
| 11 | Page | $46,560,000 |
| 12 | NBBJ | $37,000,000 |
| 13 | Corgan | $36,850,000 |
| 14 | HKS | $36,602,100 |
| 15 | Ted Moudis Associates | $34,500,000 |
| 16 | EYP | $32,944,464 |
| 17 | NORR | $31,842,067 |
| 18 | Studios Architecture | $29,086,637 |
| 19 | Ware Malcomb | $26,464,681 |
| 20 | TPG Architecture | $26,460,000 |
| 21 | RSP Architects | $23,522,000 |
| 22 | CannonDesign | $23,000,000 |
| 23 | Perkins Eastman | $19,987,500 |
| 24 | LPA | $19,696,675 |
| 25 | Vocon | $19,220,706 |
| 26 | Goettsch Partners | $18,100,000 |
| 27 | DLR Group | $17,500,000 |
| 28 | HDR | $16,684,400 |
| 29 | Cuningham Group Architecture | $16,157,535 |
| 30 | VOA Associates | $15,576,183 |
| 31 | Environetics | $15,421,510 |
| 32 | Kirksey Architecture | $15,097,035 |
| 33 | Adrian Smith + Gordon Gill Architecture | $14,805,193 |
| 34 | RNL Design | $14,330,600 |
| 35 | Little | $14,327,700 |
| 36 | Leo A Daly | $14,152,883 |
| 37 | Heery International | $13,996,261 |
| 38 | Cooper Carry | $12,867,157 |
| 39 | CTA Architects Engineers | $11,500,029 |
| 40 | Wright Heerema Architects | $11,500,000 |
| 41 | tvsdesign | $11,270,000 |
| 42 | Gresham, Smith and Partners | $11,211,000 |
| 43 | Robert A.M. Stern Architects | $10,800,000 |
| 44 | LS3P | $10,672,369 |
| 45 | Ballinger | $9,517,483 |
| 46 | Margulies Perruzzi Architects | $9,201,104 |
| 47 | SMMA | Symmes Maini & McKee Associates | $8,526,130 |
| 48 | Architects Hawaii Ltd. | $7,837,000 |
| 49 | Francis Cauffman | $7,528,986 |
| 50 | Harley Ellis Devereaux | $7,400,000 |
| 51 | Eppstein Uhen Architects | $7,257,972 |
| 52 | STG Design | $6,840,000 |
| 53 | GFF | $6,625,934 |
| 54 | Rule Joy Trammell + Rubio | $5,843,319 |
| 55 | OZ Architecture | $5,760,726 |
| 56 | Solomon Cordwell Buenz | $5,649,472 |
| 57 | Albert Kahn Associates | $5,600,000 |
| 58 | S/L/A/M Collaborative, The | $5,315,000 |
| 59 | WDG | $5,051,000 |
| 60 | Mithun | $4,728,000 |
| 61 | Beyer Blinder Belle Architects & Planners | $4,643,709 |
| 62 | Rosser International | $4,614,402 |
| 63 | Hoffmann Architects | $4,553,399 |
| 64 | Guernsey | $4,499,566 |
| 65 | Westlake Reed Leskosky | $4,351,537 |
| 66 | Smallwood, Reynolds, Stewart, Stewart & Associates | $4,252,129 |
| 67 | Diamond Schmitt Architects | $4,214,000 |
| 68 | Epstein | $4,140,300 |
| 69 | Goodwyn, Mills and Cawood | $3,934,284 |
| 70 | Alliiance | $3,780,000 |
| 71 | JLG Architects | $3,727,826 |
| 72 | Clark Nexsen | $3,653,370 |
| 73 | Beck Group, The | $3,537,225 |
| 74 | Montroy Andersen DeMarco | $3,500,000 |
| 75 | HNTB Corporation | $3,338,066 |
| 76 | Baskervill | $3,074,671 |
| 77 | DGA | $3,034,128 |
| 78 | Davis Brody Bond | $2,976,036 |
| 79 | Inventure Design Group | $2,955,263 |
| 80 | FXFOWLE | $2,803,424 |
| 81 | RS&H | $2,700,000 |
| 82 | EwingCole | $2,682,000 |
| 83 | Rottet Studio | $2,650,000 |
| 84 | BWBR | $2,606,237 |
| 85 | Moody Nolan | $2,500,000 |
| 86 | Bergmann Associates | $2,193,708 |
| 87 | ai Design Group | $2,145,881 |
| 88 | Parkhill, Smith & Cooper | $2,073,407 |
| 89 | Emersion Design | $1,941,234 |
| 90 | LMN Architects | $1,801,000 |
| 91 | JRS Architect | $1,800,000 |
| 92 | Zyscovich Architects | $1,723,347 |
| 93 | Lawrence Group | $1,637,000 |
| 94 | GBBN Architects | $1,600,000 |
| 95 | DLA+ Architecture & Interior Design | $1,523,754 |
| 96 | TEG Architects | $1,367,159 |
| 97 | MG2 | $1,262,898 |
| 98 | Carrier Johnson + Culture | $1,222,436 |
| 99 | Large Architecture | $1,153,081 |
| 100 | BKSK Architects | $1,103,904 |
| 101 | Hnedak Bobo Group | $1,095,629 |
RETURN TO THE GIANTS 300 LANDING PAGE
Related Stories
University Buildings | Feb 8, 2023
STEM-focused Kettering University opens Stantec-designed Learning Commons
In Flint, Mich., Kettering University opened its new $63 million Learning Commons, designed by Stantec. The new facility will support collaboration, ideation, and digital technology for the STEM-focused higher learning institution.
Sustainability | Feb 8, 2023
A wind energy system—without the blades—can be placed on commercial building rooftops
Aeromine Technologies’ bladeless system captures and amplifies a building’s airflow like airfoils on a race car.
Codes and Standards | Feb 8, 2023
GSA releases draft of federal low embodied carbon material standards
The General Services Administration recently released a document that outlines standards for low embodied carbon materials and products to be used on federal construction projects.
University Buildings | Feb 7, 2023
Kansas City University's Center for Medical Education Innovation can adapt to changes in medical curriculum
The Center for Medical Education Innovation (CMEI) at Kansas City University was designed to adapt to changes in medical curriculum and pedagogy. The project program supported the mission of training leaders in osteopathic medicine with a state-of-the-art facility that leverages active-learning and simulation-based training.
Multifamily Housing | Feb 7, 2023
Multifamily housing rents flat in January, developers remain optimistic
Multifamily rents were flat in January 2023 as a strong jobs report indicated that fears of a significant economic recession may be overblown. U.S. asking rents averaged $1,701, unchanged from the prior month, according to the latest Yardi Matrix National Multifamily Report.
Giants 400 | Feb 6, 2023
2022 Reconstruction Sector Giants: Top architecture, engineering, and construction firms in the U.S. building reconstruction and renovation sector
Gensler, Stantec, IPS, Alfa Tech, STO Building Group, and Turner Construction top BD+C's rankings of the nation's largest reconstruction sector architecture, engineering, and construction firms, as reported in the 2022 Giants 400 Report.
Giants 400 | Feb 6, 2023
2022 Transit Facility Giants: Top architecture, engineering, and construction firms in the U.S. transit facility sector
Walsh Group, Skanska USA, HDR, Perkins and Will, and AECOM top BD+C's rankings of the nation's largest transit facility sector architecture, engineering, and construction firms, as reported in the 2022 Giants 400 Report.
Giants 400 | Feb 6, 2023
2022 Telecommunications Facility Sector Giants: Top architecture, engineering, and construction firms in the U.S. telecommunications facility sector
AECOM, Alfa Tech, Kraus-Anderson, and Stantec head BD+C's rankings of the nation's largest telecommunications facility sector architecture, engineering, and construction firms, as reported in the 2022 Giants 400 Report.
Giants 400 | Feb 6, 2023
2022 Religious Sector Giants: Top architecture, engineering, and construction firms in the U.S. religious facility construction sector
HOK, Parkhill, KPFF, Shawmut Design and Construction, and Wiss, Janney, Elstner head BD+C's rankings of the nation's largest religious facility sector architecture, engineering, and construction firms, as reported in the 2022 Giants 400 Report.
Giants 400 | Feb 6, 2023
2022 Justice Facility Sector Giants: Top architecture, engineering, and construction firms in the U.S. justice facility/public safety sector
Stantec, DLR Group, Turner Construction, STO Building Group, AECOM, and Dewberry top BD+C's rankings of the nation's largest architecture, engineering, and construction firms for justice facility/public safety buildings work, including correctional facilities, fire stations, jails, police stations, and prisons, as reported in the 2022 Giants 400 Report.
