| TOP 130 GREEN BUILDING ARCHITECTURE FIRMS |
| Rank |
Firm |
2015 Revenue |
| 1 |
Gensler |
$768,470,000 |
| 2 |
Stantec |
$331,794,291 |
| 3 |
HOK |
$280,570,000 |
| 4 |
Perkins+Will |
$195,460,000 |
| 5 |
Skidmore, Owings & Merrill |
$175,140,374 |
| 6 |
HKS |
$163,696,602 |
| 7 |
EYP |
$137,479,466 |
| 8 |
SmithGroupJJR |
$122,636,361 |
| 9 |
CallisonRTKL |
$104,462,061 |
| 10 |
CannonDesign |
$69,400,000 |
| 11 |
Page |
$67,070,000 |
| 12 |
DLR Group |
$66,000,000 |
| 13 |
HGA |
$64,200,000 |
| 14 |
NBBJ |
$60,000,000 |
| 15 |
LPA |
$59,327,793 |
| 16 |
ZGF Architects |
$58,779,144 |
| 17 |
Corgan |
$53,807,300 |
| 18 |
NORR |
$51,379,572 |
| 19 |
Perkins Eastman |
$44,892,203 |
| 20 |
HDR |
$39,420,000 |
| 21 |
Ballinger |
$33,620,000 |
| 22 |
Solomon Cordwell Buenz |
$31,031,472 |
| 23 |
LMN Architects |
$28,885,000 |
| 24 |
Westlake Reed Leskosky |
$28,147,279 |
| 25 |
Moody Nolan |
$28,076,100 |
| 26 |
WDG |
$27,606,000 |
| 27 |
Goettsch Partners |
$26,800,000 |
| 28 |
CO Architects |
$26,579,750 |
| 29 |
Beyer Blinder Belle Architects & Planners |
$25,301,012 |
| 30 |
Adrian Smith + Gordon Gill Architecture |
$24,040,692 |
| 31 |
Payette |
$23,675,318 |
| 32 |
Clark Nexsen |
$22,780,000 |
| 33 |
Kirksey Architecture |
$20,858,620 |
| 34 |
EwingCole |
$19,737,000 |
| 35 |
Flad Architects |
$18,900,000 |
| 36 |
RS&H |
$18,900,000 |
| 37 |
NAC Architecture |
$18,819,462 |
| 38 |
Grimm + Parker Architects |
$18,368,510 |
| 39 |
Cooper Carry |
$18,138,637 |
| 40 |
Mithun |
$17,150,100 |
| 41 |
GFF |
$16,748,380 |
| 42 |
S/L/A/M Collaborative, The |
$16,621,000 |
| 43 |
Morris Architects |
$14,246,000 |
| 44 |
Rule Joy Trammell + Rubio |
$13,390,940 |
| 45 |
Robert A.M. Stern Architects |
$13,220,000 |
| 46 |
Hord Coplan Macht |
$13,140,000 |
| 47 |
RNL Design |
$12,966,700 |
| 48 |
Legat Architects |
$12,750,000 |
| 49 |
Wilson Architects |
$11,700,000 |
| 50 |
FXFOWLE |
$11,664,000 |
| 51 |
HNTB Corporation |
$11,604,663 |
| 52 |
Studios Architecture |
$11,560,080 |
| 53 |
Paulus, Sokolowski and Sartor |
$11,500,000 |
| 54 |
GGLO |
$11,265,030 |
| 55 |
Moseley Architects |
$11,181,541 |
| 56 |
Weber Thompson |
$10,590,755 |
| 57 |
Integrus Architecture |
$10,587,307 |
| 58 |
Davis Brody Bond |
$10,217,131 |
| 59 |
VOA Associates |
$9,700,000 |
| 60 |
Little |
$9,500,000 |
| 61 |
BWBR |
$9,358,712 |
| 62 |
P+R Architects |
$9,000,000 |
| 63 |
GWWO |
$8,860,726 |
| 64 |
tvsdesign |
$8,788,451 |
| 65 |
Fanning/Howey Associates |
$8,477,999 |
| 66 |
Cambridge Seven Associates |
$8,030,000 |
| 67 |
BRPH |
$8,018,229 |
| 68 |
Albert Kahn Associates |
$7,500,000 |
| 69 |
SMMA | Symmes Maini & McKee Associates |
$7,414,847 |
| 70 |
Architects Hawaii Ltd. |
$7,353,000 |
| 71 |
Gresham, Smith and Partners |
$7,280,000 |
| 72 |
Diamond Schmitt Architects |
$6,762,282 |
| 73 |
John Ciardullo Associates |
$6,491,959 |
| 74 |
Margulies Perruzzi Architects |
$6,136,117 |
| 75 |
STG Design |
$6,000,000 |
| 76 |
Lord Aeck Sargent |
$5,970,000 |
| 77 |
DGA |
$5,955,042 |
| 78 |
FitzGerald Associates Architects |
$5,752,000 |
| 79 |
Array Architects |
$5,380,120 |
| 80 |
GreenbergFarrow |
$5,200,000 |
| 81 |
KSQ Design |
$5,062,571 |
| 82 |
DLA+ Architecture & Interior Design |
$4,970,798 |
| 83 |
Urbahn Architects |
$4,700,000 |
| 84 |
Smallwood, Reynolds, Stewart, Stewart & Associates |
$4,336,328 |
| 85 |
Schenkel & Shultz |
$4,242,575 |
| 86 |
Emersion Design |
$4,130,937 |
| 87 |
SB Architects |
$4,012,386 |
| 88 |
HMC Architects |
$3,962,696 |
| 89 |
Wold Architects and Engineers |
$3,700,000 |
| 90 |
GBBN Architects |
$3,500,000 |
| 91 |
LK Architecture |
$3,500,000 |
| 92 |
Heery International |
$3,383,741 |
| 93 |
Hastings+Chivetta Architects |
$3,343,438 |
| 94 |
Cuningham Group Architecture |
$3,255,279 |
| 95 |
Beck Group, The |
$3,034,395 |
| 96 |
Hnedak Bobo Group |
$3,032,800 |
| 97 |
ACAI Associates |
$3,000,000 |
| 98 |
Shepley Bulfinch |
$2,964,124 |
| 99 |
PBK |
$2,895,000 |
| 100 |
Ware Malcomb |
$2,741,807 |
| 101 |
BBS Architects and Engineers |
$2,460,000 |
| 102 |
Tsoi/Kobus & Associates |
$2,204,408 |
| 103 |
LS3P |
$2,090,219 |
| 104 |
FKP Architects |
$2,057,000 |
| 105 |
Bergmann Associates |
$1,870,000 |
| 106 |
MV+A Architects |
$1,776,394 |
| 107 |
Marshall Craft Associates |
$1,682,543 |
| 108 |
Eppstein Uhen Architects |
$1,598,964 |
| 109 |
Barge Waggoner Sumner & Cannon |
$1,550,000 |
| 110 |
Environetics |
$1,400,874 |
| 111 |
Montroy Andersen DeMarco |
$1,400,000 |
| 112 |
Schrader Group Architecture |
$1,213,085 |
| 113 |
Harley Ellis Devereaux |
$1,200,000 |
| 114 |
Ashley McGraw Architects |
$1,141,985 |
| 115 |
Rosser International |
$1,023,000 |
| 116 |
BLDD Architects |
$1,000,000 |
| 117 |
Zyscovich Architects |
$993,333 |
| 118 |
Harvard Jolly |
$969,910 |
| 119 |
ATA Beilharz Architects |
$821,893 |
| 120 |
Francis Cauffman |
$802,690 |
| 121 |
GSB |
$754,280 |
| 122 |
DAG Architects |
$750,000 |
| 123 |
Large Architecture |
$550,000 |
| 124 |
Baskervill |
$460,453 |
| 125 |
MBH Architects |
$450,809 |
| 126 |
Becker Morgan Group |
$403,112 |
| 127 |
Jonathan Nehmer + Associates |
$381,157 |
| 128 |
BBGM |
$381,000 |
| 129 |
ai Design Group |
$337,896 |
| 130 |
RSP Architects |
$307,600 |
| 131 |
BKSK Architects |
$279,439 |
| 132 |
WD Partners |
$255,000 |
| 133 |
FRCH Design Worldwide |
$180,000 |
| 134 |
Vocon |
$178,247 |
| 135 |
GRW |
$142,851 |