| 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 |
RETURN TO THE GIANTS 300 LANDING PAGE
Related Stories
Architects | Jan 4, 2021
Moody Nolan receives 2021 AIA Architecture Firm Award
Founded by Curt Moody, FAIA, NOMA, and the late engineer Howard E. Nolan, the firm’s work is centered on the belief that diverse perspectives foster creativity and more responsive solutions.
AEC Tech | Dec 17, 2020
The Weekly show: The future of eSports facilities, meet the National Institute for AI in Construction
The December 17 episode of BD+C's The Weekly is available for viewing on demand.
Multifamily Housing | Dec 16, 2020
What the Biden Administration means for multifamily construction
What can the multifamily real estate sector expect from Biden and Company? At the risk of having egg, if not a whole omelet, on my face, let me take a shot.
Giants 400 | Dec 16, 2020
Download a PDF of all 2020 Giants 400 Rankings
This 70-page PDF features AEC firm rankings across 51 building sectors, disciplines, and specialty services.
Architects | Dec 14, 2020
2021 AIA Gold Medal awarded to Edward Mazria
The Gold Medal honors an individual whose significant body of work has had a lasting influence on the theory and practice of architecture.
Healthcare Facilities | Dec 10, 2020
The Weekly show: The future of medical office buildings, and virtual internship programs
This week on The Weekly show, BD+C editors spoke with leaders from SMRT Architects and Engineers and Stantec about the future of medical office buildings, and virtual internship programs
Multifamily Housing | Dec 4, 2020
The Weekly show: Designing multifamily housing for COVID-19, and trends in historic preservation and adaptive reuse
This week on The Weekly show, BD+C editors spoke with leaders from Page & Turnbull and Grimm + Parker Architects about designing multifamily housing for COVID-19, and trends in historic preservation and adaptive reuse
Giants 400 | Dec 3, 2020
2020 Science & Technology Facilities Giants: Top architecture, engineering, and construction firms in the S+T sector
HDR, Jacobs, and Turner head BD+C's rankings of the nation's largest science and technology (S+T) facilities sector architecture, engineering, and construction firms, as reported in the 2020 Giants 400 Report.
Giants 400 | Dec 3, 2020
2020 Laboratory Facilities Sector Giants: Top architecture, engineering, and construction firms in the U.S. laboratory facilities sector
Affiliated Engineers, HDR, and Skanska top BD+C's rankings of the nation's largest laboratory facilities sector architecture, engineering, and construction firms, as reported in the 2020 Giants 400 Report.
Giants 400 | Dec 3, 2020
2020 Industrial Sector Giants: Top architecture, engineering, and construction firms in the U.S. industrial buildings sector
Clayco, Jacobs, and Ware Malcomb top BD+C's rankings of the nation's largest industrial buildings sector architecture, engineering, and construction firms, as reported in the 2020 Giants 400 Report.
