| 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
Giants 400 | Dec 20, 2023
Top 90 Student Housing Architecture Firms for 2023
Niles Bolton Associates, Solomon Cordwell Buenz, BKV Group, and Humphreys and Partners Architects top BD+C's ranking of the nation's largest student housing facility architecture and architecture/engineering (AE) firms for 2023, as reported in Building Design+Construction's 2023 Giants 400 Report.
Healthcare Facilities | Dec 19, 2023
A new hospital in Duluth, Minn., is now the region’s largest healthcare facility
In Duluth, Minn., the new St. Mary’s Medical Center, designed by EwingCole, is now the largest healthcare facility in the region. The hospital consolidates Essentia Health’s healthcare services under one roof. At about 1 million sf spanning two city blocks, St. Mary’s overlooks Lake Superior, providing views on almost every floor of the world’s largest freshwater lake.
Government Buildings | Dec 19, 2023
New Pennsylvania State Archives building holds documents dating back to 1680
Work was recently completed on a new Pennsylvania State Archives building in Harrisburg, Penn. The HGA-designed, 146,000-sf facility offers numerous amenities, including computers, scanners, printers, a kitchenette with seating, lockers, a meeting room, a classroom, an interactive video wall, gallery, and all-gender restrooms. The features are all intended to provide a welcoming and comfortable environment for visitors.
Urban Planning | Dec 18, 2023
The impacts of affordability, remote work, and personal safety on urban life
Data from Gensler's City Pulse Survey shows that although people are satisfied with their city's experience, it may not be enough.
MFPRO+ News | Dec 18, 2023
Berkeley, Calif., raises building height limits in downtown area
Facing a severe housing shortage, the City of Berkeley, Calif., increased the height limits on residential buildings to 12 stories in the area close to the University of California campus.
Green | Dec 18, 2023
Class B commercial properties gain more from LEED certification than Class A buildings
Class B office properties that are LEED certified command a greater relative benefit than LEED-certified Class A buildings, according to analysis from CBRE. The Class B LEED rent advantage over non-LEED is about three times larger than the premium earned by Class A LEED buildings.
Codes and Standards | Dec 18, 2023
ASHRAE releases guide on grid interactivity in the decarbonization process
A guide focusing on the critical role of grid interactivity in building decarbonization was recently published by ASHRAE. The Grid-Interactive Buildings for Decarbonization: Design and Operation Resource Guide provides information on maximizing carbon reduction through buildings’ interaction with the electric power grid.
Architects | Dec 18, 2023
Perkins&Will’s new PRECEDE tool provides access to public health data to inform design decisions
Perkins&Will recently launched a free digital resource that allows architects and designers to access key public health data to inform design decisions. The “Public Repository to Engage Community and Enhance Design Equity,” or PRECEDE, centralizes demographic, environmental, and health data from across the U.S. into a geospatial database.
Sports and Recreational Facilities | Dec 15, 2023
San Antonio Spurs’ new practice facility aims to help players win championships and maintain well-being
Designed by ZGF, the Victory Capital Performance Center uses biophilic design to promote better health and wellness on and off the court.
Affordable Housing | Dec 14, 2023
What's next for affordable housing in 2024?
As 2023 draws to a close, GBBN’s Mary Jo Minerich and Amanda Markovic, AIA sat down to talk about the future. What’s next in terms of trends, technology, and construction of affordable housing?
