Top International Architecture Firms
| Rank | Company | 2012 International Revenue ($) |
| 1 | Gensler | $202,138,052 |
| 2 | Skidmore, Owings & Merrill | $155,083,000 |
| 3 | HOK | $147,000,000 |
| 4 | Kohn Pedersen Fox Associates | $122,280,500 |
| 5 | RTKL Associates | $105,228,000 |
| 6 | Perkins+Will | $79,950,291 |
| 7 | Cannon Design | $70,000,000 |
| 8 | HDR Architecture | $69,100,000 |
| 9 | Callison | $63,491,116 |
| 10 | WATG / Wimberly Interiors | $58,638,000 |
| 11 | PageSoutherlandPage | $43,330,000 |
| 12 | Stantec | $43,300,000 |
| 13 | NBBJ | $37,445,000 |
| 14 | Perkins Eastman | $36,250,000 |
| 15 | HKS | $33,000,000 |
| 16 | IBI Group | $32,888,520 |
| 17 | Populous | $30,990,000 |
| 18 | Jerde Partnership, The | $17,800,000 |
| 19 | Swanke Hayden Connell Asrchitects | $14,500,000 |
| 20 | Cambridge Seven Associates | $13,424,000 |
| 21 | Goettsch Partners | $12,340,000 |
| 22 | Kaplan McLaughlin Diaz | $11,402,329 |
| 23 | Leo A Daly | $11,225,000 |
| 24 | Smallwood, Reynolds, Stewart, Stewart & Associates | $9,981,006 |
| 25 | VOA Associates | $9,430,080 |
| 26 | GBBN Architects | $7,860,000 |
| 27 | ZGF Architects | $7,624,814 |
| 28 | BBG-BBGM | $6,800,000 |
| 29 | Epstein | $6,754,000 |
| 30 | FXFOWLE Architects | $5,735,071 |
| 31 | MBH Architects | $5,700,000 |
| 32 | SmithGroupJJR | $5,300,000 |
| 33 | HLW International | $5,000,000 |
| 33 | Albert Kahn Family of Companies | $5,000,000 |
| 35 | Payette | $4,905,720 |
| 36 | Cuningham Group Architecture | $4,850,000 |
| 37 | FRCH Design Worldwide | $3,900,000 |
| 38 | Sasaki Associates | $3,486,090 |
| 39 | Perkowitz+Ruth Architects | $3,400,000 |
| 40 | WHR Architects | $2,969,358 |
| 41 | RNL | $2,500,000 |
| 42 | Corgan | $2,490,000 |
| 43 | Hoefer Wysocki Architecture | $2,479,000 |
| 44 | Beyer Blinder Belle Architects & Planners | $2,297,652 |
| 45 | EwingCole | $2,000,000 |
| 46 | Gresham, Smith and Partners | $1,935,498 |
| 47 | LMN Architects | $1,798,700 |
| 48 | KZF Design | $1,610,959 |
| 49 | Ware Malcomb | $1,600,000 |
| 50 | Fentress Architects | $1,502,800 |
| 51 | OZ Architecture | $1,500,000 |
| 52 | DLR Group | $1,300,000 |
| 53 | Integrated Design Group | $1,159,416 |
| 54 | Nadel | $1,000,000 |
| 55 | Sherlock, Smith & Adams | $916,000 |
| 56 | HMC Architects | $900,000 |
| 57 | Reynolds, Smith and Hills | $872,000 |
| 58 | Davis Brody Bond | $700,000 |
| 59 | FKP Architects | $680,000 |
| 60 | Flad Architects | $631,128 |
| 61 | Solomon Cordwell Buenz | $571,000 |
| 62 | CTA Architects Engineers | $500,000 |
| 63 | Astorino | $484,000 |
| 64 | Little | $473,000 |
| 65 | Ennead Architects | $410,000 |
| 66 | Heery International | $394,000 |
| 67 | NTD Architecture | $391,557 |
| 68 | NELSON | $346,071 |
| 69 | Westlake Reed Leskosky | $300,000 |
| 70 | Morris Architects | $250,000 |
| 71 | Harvard Jolly Architecture | $213,000 |
| 72 | Shepley Bulfinch Richardson & Abbott | $173,757 |
| 73 | BSA LifeStructures | $173,549 |
| 74 | api(+) | $150,000 |
| 75 | Hammel, Green and Abrahamson | $122,000 |
| 76 | FreemanWhite | $88,000 |
| 77 | Carrier Johnson + Culture | $85,362 |
| 78 | SRG Partnership | $76,351 |
| 79 | SHW Group | $42,546 |
| 80 | Cooper Carry | $26,153 |
Top International Engineering Firms
| Rank | Company | 2012 International Revenue ($) |
| 1 | Jacobs Engineering Group | $2,579,310,985 |
| 2 | Fluor | $2,534,708,300 |
| 3 | URS Corp. | $1,477,167,422 |
| 4 | Parsons Brinckerhoff | $1,214,500,000 |
| 5 | Buro Happold Consulting Engineers | $166,020,000 |
| 6 | Burns & McDonnell | $42,100,000 |
| 7 | Arup | $36,313,704 |
| 8 | SSOE Group | $31,069,888 |
| 9 | Thornton Tomasetti | $29,592,609 |
| 10 | H&A Architects & Engineers | $21,367,698 |
| 11 | Allen & Shariff | $16,100,000 |
| 12 | Middough | $9,000,000 |
| 13 | Magnusson Klemencic Associates | $8,128,991 |
| 14 | Rolf Jensen & Associates | $8,000,000 |
| 15 | M-E Engineers | $7,000,000 |
| 16 | Syska Hennessy Group | $5,733,138 |
| 17 | Merrick & Co. | $5,100,000 |
| 18 | Henderson Engineers | $4,980,000 |
| 19 | Clark Nexsen | $4,697,276 |
| 20 | Environmental Systems Design | $4,080,319 |
| 21 | Vanderweil Engineers | $3,567,700 |
| 22 | Ross & Baruzzini | $3,241,379 |
| 23 | Aon Fire Protection Engineering | $3,000,000 |
| 24 | Science Applications International Corp. | $2,708,771 |
| 25 | Walter P Moore | $2,593,808 |
| 26 | Glumac | $2,500,000 |
| 27 | Walker Parking Consultants | $2,377,824 |
| 28 | Simpson Gumpertz & Heger | $2,100,000 |
| 29 | KPFF Consulting Engineers | $2,000,000 |
| 30 | Affiliated Engineers | $1,985,000 |
| 31 | Peter Basso Associates | $1,800,000 |
| 32 | TLC Engineering for Architecture | $1,628,063 |
| 33 | RMF Engineering Design | $1,500,000 |
| 34 | Interface Engineering | $1,232,906 |
| 35 | BRPH | $1,190,000 |
| 36 | CTLGroup | $900,000 |
| 37 | KJWW Engineering Consultants | $725,000 |
| 38 | Bard, Rao + Athanas Consulting Engineers | $650,000 |
| 39 | CCRD Partners | $500,000 |
| 39 | Hixson Architecture, Engineering, Interiors | $500,000 |
| 41 | AKF Group | $439,000 |
| 42 | Newcomb & Boyd | $217,079 |
| 43 | ThermalTech Engineering | $175,000 |
| 44 | Mazzetti | $126,899 |
| 45 | Wiss, Janney, Elstner Associates | $125,000 |
| 46 | Primera Engineers | $112,000 |
| 47 | Coffman Engineers | $100,000 |
| 47 | Paulus, Sokolowski and Sartor | $100,000 |
| 49 | Degenkolb Engineers | $89,391 |
| 50 | Spectrum Engineers | $83,266 |
| 51 | Sparling | $69,985 |
| 52 | TTG | $50,000 |
| 53 | Zak Companies | $40,061 |
Top International Construction Firms
| Rank | Company | 2012 International Revenue ($) |
| 1 | B. L. Harbert International | $448,930,896 |
| 2 | ECC | $363,543,212 |
| 3 | Jones Lang LaSalle | $205,493,000 |
| 4 | Gilbane | $182,628,000 |
| 5 | Structure Tone | $167,444,000 |
| 6 | Walsh Group, The | $147,508,376 |
| 7 | Yates Cos., The | $73,700,000 |
| 8 | PCL Construction Enterprises | $58,194,468 |
| 9 | Turner Corporation, The | $55,470,000 |
| 10 | Walbridge | $31,000,000 |
| 11 | Alberici Constructors | $27,837,042 |
| 12 | DPR Construction | $23,642,679 |
| 13 | Haskell | $18,176,169 |
| 14 | Lend Lease | $16,844,000 |
| 15 | Weitz Co., The | $5,221,000 |
| 16 | Mortenson Construction | $860,000 |
| 17 | Hunt Companies | $511,927 |
Read the full 2013 Giants 300 Report
Related Stories
Senior Living Design | Jan 24, 2024
Former Walgreens becomes affordable senior living community
Evergreen Real Estate Group has announced the completion of Bellwood Senior Apartments. The 80-unit senior living community at 542 25th Ave. in Bellwood, Ill., provides independent living options for low-income seniors.
AEC Tech | Jan 24, 2024
4 ways AEC firms can benefit from digital transformation
While going digital might seem like a playground solely for industry giants, the truth is that any company can benefit from the power of technology.
Giants 400 | Jan 23, 2024
Top 60 Parking Structure Architecture Firms for 2023
Choate Parking Consultants, Page Southerland Page, Gensler, AO, and Elkus Manfredi Architects top BD+C's ranking of the nation's largest parking structure architecture and architecture engineering (AE) firms for 2023, as reported in the 2023 Giants 400 Report.
Industry Research | Jan 23, 2024
Leading economists forecast 4% growth in construction spending for nonresidential buildings in 2024
Spending on nonresidential buildings will see a modest 4% increase in 2024, after increasing by more than 20% last year according to The American Institute of Architects’ latest Consensus Construction Forecast. The pace will slow to just over 1% growth in 2025, a marked difference from the strong performance in 2023.
Giants 400 | Jan 23, 2024
Top 110 Medical Office Building Architecture Firms for 2023
SmithGroup, CannonDesign, E4H Environments for Health Architecture, and Perkins Eastman top BD+C's ranking of the nation's largest medical office building architecture and architecture engineering (AE) firms for 2023, as reported in the 2023 Giants 400 Report.
Giants 400 | Jan 22, 2024
Top 100 Outpatient Facility Architecture Firms for 2023
HDR, CannonDesign, Stantec, Perkins&Will, and ZGF top BD+C's ranking of the nation's largest outpatient facility architecture and architecture engineering (AE) firms for 2023, as reported in the 2023 Giants 400 Report. Note: This ranking includes design revenue for work related to outpatient medical buildings, including cancer centers, heart centers, urgent care facilities, and other medical centers.
Construction Costs | Jan 22, 2024
Construction material prices continue to normalize despite ongoing challenges
Gordian’s most recent Quarterly Construction Cost Insights Report for Q4 2023 describes an industry still attempting to recover from the impact of COVID. This was complicated by inflation, weather, and geopolitical factors that resulted in widespread pricing adjustments throughout the construction materials industries.
Transit Facilities | Jan 22, 2024
Top 40 Transit Facility Architecture Firms for 2023
Perkins&Will, HDR, Gensler, Skidmore, Owings & Merrill, and HNTB top BD+C's ranking of the nation's largest transit facility architecture and architecture engineering (AE) firms for 2023, as reported in the 2023 Giants 400 Report. Note: This ranking includes design revenue for work related to bus terminals, rail terminals, and transit stations.
Hotel Facilities | Jan 22, 2024
U.S. hotel construction is booming, with a record-high 5,964 projects in the pipeline
The hotel construction pipeline hit record project counts at Q4, with the addition of 260 projects and 21,287 rooms over last quarter, according to Lodging Econometrics.
Modular Building | Jan 19, 2024
Virginia is first state to adopt ICC/MBI offsite construction standards
Virginia recently became the first state to adopt International Code Council/Modular Building Institute off-site construction standards.
