| Rank | Company | 2012 Total Revenue ($) |
| 1 | Gensler | $807,143,550 |
| 2 | Perkins+Will | $360,300,000 |
| 3 | NBBJ | $187,017,000 |
| 4 | Kohn Pedersen Fox Associates | $153,821,100 |
| 5 | Perkins Eastman | $145,000,000 |
| 6 | Callison | $134,112,565 |
| 7 | ZGF Architects | $107,412,274 |
| 8 | Corgan | $85,377,040 |
| 9 | Populous | $84,000,000 |
| 10 | HMC Architects | $77,986,678 |
| 11 | MulvannyG2 Architecture | $75,542,984 |
| 12 | WATG / Wimberly Interiors | $64,584,000 |
| 13 | Ennead Architects | $58,200,000 |
| 14 | Fentress Architects | $57,800,000 |
| 15 | RSP Architects | $51,248,000 |
| 16 | VOA Associates | $46,600,000 |
| 17 | Solomon Cordwell Buenz | $40,800,000 |
| 18 | Kaplan McLaughlin Diaz | $40,081,612 |
| 19 | Cooper Carry | $38,872,388 |
| 20 | LS3P | $38,254,820 |
| 21 | MBH Architects | $36,500,000 |
| 22 | Shepley Bulfinch Richardson & Abbott | $35,975,410 |
| 23 | WHR Architects | $35,776,831 |
| 24 | FXFOWLE Architects | $33,980,848 |
| 25 | Ware Malcomb | $31,850,000 |
| 26 | Perkowitz+Ruth Architects | $31,299,928 |
| 27 | Swanke Hayden Connell Asrchitects | $30,500,000 |
| 28 | WDG Architecture | $29,902,998 |
| 29 | FKP Architects | $29,570,000 |
| 30 | Morris Architects | $29,250,000 |
| 31 | CO Architects | $28,845,000 |
| 32 | Payette | $28,831,669 |
| 33 | Niles Bolton Associates | $28,750,880 |
| 34 | Cuningham Group Architecture | $28,628,186 |
| 35 | Beyer Blinder Belle Architects & Planners | $27,554,840 |
| 36 | Array Architects | $26,933,863 |
| 37 | FRCH Design Worldwide | $26,500,000 |
| 38 | Cambridge Seven Associates | $26,245,000 |
| 39 | OZ Architecture | $25,752,000 |
| 40 | GBBN Architects | $25,135,000 |
| 41 | Davis Brody Bond | $24,396,446 |
| 42 | Good Fulton & Farrell | $24,125,223 |
| 43 | NTD Architecture | $23,786,447 |
| 44 | Francis Cauffman | $22,518,122 |
| 45 | Lord, Aeck & Sargent | $22,400,000 |
| 46 | RNL | $22,300,000 |
| 47 | Ziegler Cooper Architects | $21,562,000 |
| 48 | Smallwood, Reynolds, Stewart, Stewart & Associates | $21,340,617 |
| 49 | Kirksey Architecture | $21,152,252 |
| 50 | NAC|Architecture | $20,482,031 |
| 51 | LMN Architects | $19,185,200 |
| 52 | RBB Architects | $19,136,000 |
| 53 | Jerde Partnership, The | $19,000,000 |
| 54 | Hnedak Bobo Group | $18,867,000 |
| 55 | FGM Architects | $18,784,656 |
| 56 | Goettsch Partners | $18,590,000 |
| 57 | BBG-BBGM | $16,600,000 |
| 58 | Mithun | $16,282,000 |
| 59 | Wight & Co. | $15,801,400 |
| 60 | SRG Partnership | $14,208,691 |
| 61 | Legat Architects | $14,030,000 |
| 62 | Nadel | $14,000,000 |
| 63 | H+L Architecture | $13,090,000 |
| 64 | Anderson Mikos Architects | $12,615,000 |
| 65 | Carrier Johnson + Culture | $12,397,746 |
| 66 | Harvard Jolly Architecture | $11,481,281 |
| 67 | BLT Architects | $10,800,000 |
| 68 | Lee, Burkhart, Liu | $10,500,000 |
| 69 | SLATERPAULL Architects | $9,101,937 |
| 70 | Margulies Perruzzi Architects | $8,875,543 |
| 71 | Architekton | $8,640,811 |
| 72 | Ashley McGraw Architects | $7,650,760 |
| 73 | SEI Design Group | $7,082,000 |
| 74 | Omniplan Architects | $6,594,833 |
| 75 | H3 Hardy Collaboration Architecture | $6,594,000 |
| 76 | DesignGroup | $6,039,173 |
| 77 | Massa Montalto Architects | $6,000,000 |
| 78 | Polytech Associates | $6,000,000 |
| 79 | EDI International | $5,720,000 |
| 80 | JRS Architect | $4,550,000 |
| 81 | Adache Group Architects | $3,800,000 |
| 82 | Hensley Lamkin Rachel | $3,473,000 |
| 83 | api(+) | $3,400,000 |
| 84 | LARGE Architecture | $2,830,756 |
| 85 | AXIS Architecture + Design | $1,869,734 |
| 86 | RDH Interests | $1,760,046 |
| 87 | PHX Architecture | $500,000 |
| 88 | DJM Architecture | $309,330 |
Read the Architecture Giants article
Read BD+C's full Giants 300 Report
Related Stories
| Jul 17, 2013
Should city parking space requirements be abolished?
Some cities are deliberately discouraging construction of new parking spaces by allowing the construction of buildings with a lower ratio of parking spaces to dwellings (as low as 0.75 spaces per residence).
| Jul 17, 2013
Retail store openings at five-year high
Analysis by RBC Capital Markets shows that U.S. retailers are planning to open 42,757 stores over the next 12 months, and some 83,700 locations over the next two years, both five-year highs.
| Jul 16, 2013
As the U.S. economy sputters back to life, contractors wait for the green light on projects [2013 Giants 300 Report]
There are enough positive indictors in the economy to justify greenlighting projects, but building owners and developers remain reluctant to pull the trigger.
| Jul 16, 2013
Robotics: A new way to demolish buildings
A robot prototype uses water jets to break up concrete structures and then sucks up the water and debris for reuse and recycling.
| Jul 15, 2013
Mergers and acquisitions transform engineering sector [2013 Giants 300 Report]
Merger and acquisition deals by MEP, commissioning, structural, and specialty engineering firms were up 14% nationwide in 2012 compared with 2011.
| Jul 15, 2013
Top Engineering/Architecture Firms [2013 Giants 300 Report]
Jacobs, AECOM, Parsons Brinckerhoff top Building Design+Construction's 2013 ranking of the largest engineering/architecture firms in the United States.
| Jul 15, 2013
Top Architecture/Engineering Firms [2013 Giants 300 Report]
Stantec, HOK, HDR top Building Design+Construction's 2013 ranking of the largest architecture/engineering firms in the United States.
| Jul 15, 2013
Zaha Hadid unveils plan for boutique condo development in New York
Related Companies taps the London-based architect for the 11-story 520 West 28th Street residential development adjacent to the High Line in Chelsea.
| Jul 12, 2013
12 award-winning healthcare projects [slideshow]
AIA's Academy of Architecture for Health announced the recipients of the 2013 AIA National Healthcare Design Awards.
