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
Giants 400 | Oct 30, 2023
Top 170 K-12 School Architecture Firms for 2023
PBK Architects, Huckabee, DLR Group, VLK Architects, and Stantec top BD+C's ranking of the nation's largest K-12 school building architecture and architecture/engineering (AE) firms for 2023, as reported in Building Design+Construction's 2023 Giants 400 Report.
Giants 400 | Oct 30, 2023
Top 100 K-12 School Construction Firms for 2023
CORE Construction, Gilbane, Balfour Beatty, Skanska USA, and Adolfson & Peterson top BD+C's ranking of the nation's largest K-12 school building contractors and construction management (CM) firms for 2023, as reported in Building Design+Construction's 2023 Giants 400 Report.
Giants 400 | Oct 30, 2023
Top 80 K-12 School Engineering Firms for 2023
AECOM, CMTA, Jacobs, WSP, and IMEG head BD+C's ranking of the nation's largest K-12 school building engineering and engineering/architecture (EA) firms for 2023, as reported in Building Design+Construction's 2023 Giants 400 Report.
MFPRO+ Special Reports | Oct 27, 2023
Download the 2023 Multifamily Annual Report
Welcome to Building Design+Construction and Multifamily Pro+’s first Multifamily Annual Report. This 76-page special report is our first-ever “state of the state” update on the $110 billion multifamily housing construction sector.
Giants 400 | Oct 23, 2023
Top 190 Multifamily Architecture Firms for 2023
Humphreys and Partners, Gensler, Solomon Cordwell Buenz, Niles Bolton Associates, and AO top the ranking of the nation's largest multifamily housing sector architecture and architecture/engineering (AE) firms for 2023, as reported in Building Design+Construction's 2023 Giants 400 Report. Note: This ranking factors revenue for all multifamily buildings work, including apartments, condominiums, student housing facilities, and senior living facilities.
Affordable Housing | Oct 20, 2023
Cracking the code of affordable housing
Perkins Eastman's affordable housing projects show how designers can help to advance the conversation of affordable housing.
Senior Living Design | Oct 19, 2023
Senior living construction poised for steady recovery
Senior housing demand, as measured by the change in occupied units, continued to outpace new supply in the third quarter, according to NIC MAP Vision. It was the ninth consecutive quarter of growth with a net absorption gain. On the supply side, construction starts continued to be limited compared with pre-pandemic levels.
Warehouses | Oct 19, 2023
JLL report outlines 'tremendous potential' for multi-story warehouses
A new category of buildings, multi-story warehouses, is beginning to take hold in the U.S. and their potential is strong. A handful of such facilities, also called “urban logistics buildings” have been built over the past five years, notes a new report by JLL.
Building Materials | Oct 19, 2023
New white papers offer best choices in drywall, flooring, and insulation for embodied carbon and health impacts
“Embodied Carbon and Material Health in Insulation” and “Embodied Carbon and Material Health in Gypsum Drywall and Flooring,” by architecture and design firm Perkins&Will in partnership with the Healthy Building Network, advise on how to select the best low-carbon products with the least impact on human health.
Contractors | Oct 19, 2023
Crane Index indicates slowing private-sector construction
Private-sector construction in major North American cities is slowing, according to the latest RLB Crane Index. The number of tower cranes in use declined 10% since the first quarter of 2023. The index, compiled by consulting firm Rider Levett Bucknall (RLB), found that only two of 14 cities—Boston and Toronto—saw increased crane counts.
