| 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 |
