| Rank | Company | 2012 Office Revenue ($) |
| 1 | Gensler | $462,700,500 |
| 2 | HOK | $128,726,000 |
| 3 | Perkins+Will | $107,951,672 |
| 4 | NBBJ | $64,002,000 |
| 5 | Stantec | $62,500,236 |
| 6 | PageSoutherlandPage | $43,190,000 |
| 7 | Heery International | $39,443,931 |
| 8 | Kohn Pedersen Fox Associates | $38,081,000 |
| 9 | RTKL Associates | $37,474,000 |
| 10 | Hammel, Green and Abrahamson | $37,307,000 |
| 11 | NELSON | $34,453,532 |
| 12 | HDR Architecture | $32,590,000 |
| 13 | SmithGroupJJR | $28,400,000 |
| 14 | IBI Group | $25,433,163 |
| 15 | HLW International | $25,000,000 |
| 16 | RSP Architects | $24,720,000 |
| 17 | EYP | $23,000,000 |
| 18 | Cannon Design | $22,000,000 |
| 19 | Skidmore, Owings & Merrill | $21,802,000 |
| 20 | RNL | $19,548,000 |
| 21 | ZGF Architects | $19,488,790 |
| 22 | Leo A Daly | $19,086,106 |
| 23 | HKS | $18,000,000 |
| 24 | Ziegler Cooper Architects | $16,405,617 |
| 25 | CTA Architects Engineers | $14,609,906 |
| 26 | Perkins Eastman | $14,500,000 |
| 27 | Goettsch Partners | $14,080,000 |
| 28 | Ware Malcomb | $13,336,000 |
| 29 | LPA | $12,460,741 |
| 30 | HNTB Archtecture | $12,457,966 |
| 31 | DLR Group | $11,500,000 |
| 32 | VOA Associates | $11,156,220 |
| 33 | LS3P | $10,956,040 |
| 34 | Swanke Hayden Connell Asrchitects | $10,000,000 |
| 35 | Corgan | $9,955,204 |
| 36 | Kirksey Architecture | $9,941,686 |
| 37 | Cooper Carry | $8,995,996 |
| 38 | WDG Architecture | $8,908,000 |
| 39 | Gresham, Smith and Partners | $8,874,201 |
| 40 | FXFOWLE Architects | $8,293,986 |
| 41 | Wight & Co. | $8,102,200 |
| 42 | Margulies Perruzzi Architects | $7,664,323 |
| 43 | Solomon Cordwell Buenz | $7,500,000 |
| 44 | Sasaki Associates | $7,038,052 |
| 45 | SMMA | Symmes Maini & McKee Associates | $7,000,000 |
| 46 | Kaplan McLaughlin Diaz | $6,868,189 |
| 47 | Cuningham Group Architecture | $6,584,483 |
| 48 | Epstein | $6,318,000 |
| 49 | Little | $6,062,464 |
| 50 | EwingCole | $6,000,000 |
| 51 | S/L/A/M Collaborative, The | $5,232,000 |
| 52 | Environetics | $5,113,485 |
| 53 | Goodwyn, Mills & Cawood | $5,010,000 |
| 54 | Westlake Reed Leskosky | $5,000,000 |
| 55 | Callison | $4,706,375 |
| 56 | Beyer Blinder Belle Architects & Planners | $4,503,766 |
| 57 | Ballinger | $4,271,000 |
| 58 | Smallwood, Reynolds, Stewart, Stewart & Associates | $4,176,376 |
| 59 | Francis Cauffman | $3,952,734 |
| 60 | Moody Nolan | $3,900,000 |
| 61 | Good Fulton & Farrell | $3,860,000 |
| 62 | Mithun | $3,803,000 |
| 63 | KZF Design | $3,679,546 |
| 64 | BBG-BBGM | $3,600,000 |
| 65 | Flad Architects | $3,500,000 |
| 66 | GBBN Architects | $3,300,000 |
| 67 | LMN Architects | $3,061,300 |
| 68 | OZ Architecture | $2,958,128 |
| 69 | Baskervill | $2,897,000 |
| 70 | Hoefer Wysocki Architecture | $2,510,000 |
| 71 | Carrier Johnson + Culture | $2,444,535 |
| 72 | Reynolds, Smith and Hills | $2,180,000 |
| 73 | Rule Joy Trammell + Rubio | $1,850,000 |
| 74 | Fentress Architects | $1,678,370 |
| 75 | Polytech Associates | $1,600,000 |
| 76 | JRS Architect | $1,250,000 |
| 77 | Hoffmann Architects | $1,232,000 |
| 78 | EDI International | $1,214,000 |
| 79 | Nadel | $1,212,861 |
| 80 | Astorino | $1,202,000 |
| 81 | PGAL | $1,150,000 |
| 82 | Perkowitz+Ruth Architects | $1,043,019 |
| 83 | MulvannyG2 Architecture | $994,427 |
| 84 | LARGE Architecture | $766,582 |
| 85 | Albert Kahn Family of Companies | $764,342 |
| 86 | Niles Bolton Associates | $699,342 |
| 87 | DLA Architects | $673,390 |
| 88 | Emersion Design | $578,739 |
| 89 | FGM Architects | $559,250 |
| 90 | Fletcher-Thompson | $380,000 |
| 90 | BLT Architects | $380,000 |
| 92 | Legat Architects | $348,000 |
| 93 | Davis Brody Bond | $342,799 |
| 94 | Hnedak Bobo Group | $332,000 |
| 95 | Morris Architects | $300,000 |
| 96 | NAC|Architecture | $269,373 |
| 97 | Cambridge Seven Associates | $257,000 |
| 98 | FRCH Design Worldwide | $250,000 |
| 99 | WATG / Wimberly Interiors | $245,000 |
| 100 | Harley Ellis Devereaux | $227,000 |
| 101 | BSA LifeStructures | $188,520 |
| 102 | DesignGroup | $168,033 |
| 103 | Omniplan Architects | $155,327 |
| 104 | CASCO | $150,000 |
| 104 | PHX Architecture | $150,000 |
| 106 | SRG Partnership | $120,428 |
| 107 | HMC Architects | $113,111 |
| 108 | TEG Architects - The Estopinal Group | $111,357 |
| 109 | Harvard Jolly Architecture | $111,000 |
| 110 | SLATERPAULL Architects | $101,500 |
| 111 | BBS Architects, Landscape Architects and Engineers | $100,000 |
| 112 | Sherlock, Smith & Adams | $96,000 |
| 113 | Shepley Bulfinch Richardson & Abbott | $95,831 |
| 114 | Fanning/Howey Associates | $40,000 |
| 115 | DJM Architecture | $31,430 |
Read the Office Sector Giants article
Read BD+C's full Giants 300 Report
Related Stories
Office Buildings | Mar 27, 2024
A new Singapore office campus inaugurates the Jurong Innovation District, a business park located in a tropical rainforest
Surbana Jurong, an urban, infrastructure and managed services consulting firm, recently opened its new headquarters in Singapore. Surbana Jurong Campus inaugurates the Jurong Innovation District, a business park set in a tropical rainforest.
Cultural Facilities | Mar 27, 2024
Kansas City’s new Sobela Ocean Aquarium home to nearly 8,000 animals in 34 habitats
Kansas City’s new Sobela Ocean Aquarium is a world-class facility home to nearly 8,000 animals in 34 habitats ranging from small tanks to a giant 400,000-gallon shark tank.
Market Data | Mar 26, 2024
Architecture firm billings see modest easing in February
Architecture firm billings continued to decline in February, with an AIA/Deltek Architecture Billings Index (ABI) score of 49.5 for the month. However, February’s score marks the most modest easing in billings since July 2023 and suggests that the recent slowdown may be receding.
Cultural Facilities | Mar 26, 2024
Renovation restores century-old Brooklyn Paramount Theater to its original use
The renovation of the iconic Brooklyn Paramount Theater restored the building to its original purpose as a movie theater and music performance venue. Long Island University had acquired the venue in the 1960s and repurposed it as the school’s basketball court.
Adaptive Reuse | Mar 26, 2024
Adaptive Reuse Scorecard released to help developers assess project viability
Lamar Johnson Collaborative announced the debut of the firm’s Adaptive Reuse Scorecard, a proprietary methodology to quickly analyze the viability of converting buildings to other uses.
Security and Life Safety | Mar 26, 2024
Safeguarding our schools: Strategies to protect students and keep campuses safe
HMC Architects' PreK-12 Principal in Charge, Sherry Sajadpour, shares insights from school security experts and advisors on PreK-12 design strategies.
Green | Mar 25, 2024
Zero-carbon multifamily development designed for transactive energy
Living EmPower House, which is set to be the first zero-carbon, replicable, and equitable multifamily development designed for transactive energy, recently was awarded a $9 million Next EPIC Grant Construction Loan from the State of California.
Museums | Mar 25, 2024
Chrysler Museum of Art’s newly expanded Perry Glass Studio will display the art of glassmaking
In Norfolk, Va., the Chrysler Museum of Art’s Perry Glass Studio, an educational facility for glassmaking, will open a new addition in May. That will be followed by a renovation of the existing building scheduled for completion in December.
Sustainability | Mar 21, 2024
World’s first TRUE-certified building project completed in California
GENESIS Marina, an expansive laboratory and office campus in Brisbane, Calif., is the world’s first Total Resource Use and Efficiency (TRUE)-certified construction endeavor. The certification recognizes projects that achieve outstanding levels of resource efficiency through waste reduction, reuse, and recycling practices.
