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 | $26,153 |
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Top International Engineering Firms
| Rank | Company | 2012 International Revenue ($) |
| 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 | $40,061 |
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Top International Construction Firms
| Rank | Company | 2012 International Revenue ($) |
| 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 |
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