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 | Jan 3, 2024
Top 200 Reconstruction Architecture Firms for 2023
Gensler, Stantec, HDR, Corgan, and PBK Architects top BD+C's ranking of the nation's largest building reconstruction/renovation architecture and architecture engineering (AE) firms for 2023, as reported in the 2023 Giants 400 Report.
Designers | Jan 3, 2024
Designing better built environments for a neurodiverse world
For most of human history, design has mostly considered “typical users” who are fully able-bodied without clinical or emotional disabilities. The problem with this approach is that it offers a limited perspective on how space can positively or negatively influence someone based on their physical, mental, and sensory abilities.
Giants 400 | Jan 2, 2024
Top 120 Hotel Architecture Firms for 2023
Gensler, WATG, HKS, DLR Group, and HBG Design top BD+C's ranking of the nation's largest hotel and resort architecture and architecture/engineering (AE) firms for 2023, as reported in Building Design+Construction's 2023 Giants 400 Report.
Resiliency | Jan 2, 2024
Americans are migrating from areas of high flood risk
Americans are abandoning areas of high flood risk in significant numbers, according to research by the First Street Foundation. Climate Abandonment Areas account for more than 818,000 Census Blocks and lost a total of 3.2 million-plus residents due to flooding from 2000 to 2020, the study found.
MFPRO+ News | Jan 2, 2024
New York City will slash regulations on housing projects
New York City Mayor Eric Adams is expected to cut red tape to make it easier and less costly to build housing projects in the city. Adams would exempt projects with fewer than 175 units in low-density residential areas and those with fewer than 250 units in commercial, manufacturing, and medium- and high-density residential areas from environmental review.
Contractors | Dec 22, 2023
DBIA releases two free DEI resources for AEC firms
The Design-Build Institute of America (DBIA) has released two new resources offering guidance and provisions on diversity, equity, and inclusion (DEI) on design-build projects.
MFPRO+ News | Dec 22, 2023
Document offers guidance on heat pump deployment for multifamily housing
ICAST (International Center for Appropriate and Sustainable Technology) has released a resource guide to help multifamily owners and managers, policymakers, utilities, energy efficiency program implementers, and others advance the deployment of VHE heat pump HVAC and water heaters in multifamily housing.
Sustainability | Dec 22, 2023
WSP unveils scenario-planning online game
WSP has released a scenario-planning online game to help organizations achieve sustainable development goals while expanding awareness about climate change.
Giants 400 | Dec 20, 2023
Top 160 Apartment and Condominium Architecture Firms for 2023
Gensler, Humphreys and Partners, Solomon Cordwell Buenz, and AO top BD+C's ranking of the nation's largest apartment building and condominium architecture and architecture/engineering (AE) firms for 2023, as reported in Building Design+Construction's 2023 Giants 400 Report.
Giants 400 | Dec 20, 2023
Top 90 Student Housing Architecture Firms for 2023
Niles Bolton Associates, Solomon Cordwell Buenz, BKV Group, and Humphreys and Partners Architects top BD+C's ranking of the nation's largest student housing facility architecture and architecture/engineering (AE) firms for 2023, as reported in Building Design+Construction's 2023 Giants 400 Report.
