Top International Architecture Firms
| Rank | Company | 2013 International Building Revenue |
| 1 | Gensler | $207,760,000 |
| 2 | Skidmore, Owings & Merrill | $174,884,052 |
| 3 | HOK | $146,000,000 |
| 4 | Kohn Pedersen Fox Associates | $135,121,000 |
| 5 | HDR | $123,700,000 |
| 6 | RTKL Associates | $105,228,000 |
| 7 | Perkins+will | $86,420,000 |
| 8 | Callison | $82,668,321 |
| 9 | WATG | Wimberly Interiors | $62,305,000 |
| 10 | Stantec | $57,490,350 |
| 11 | NBBJ | $51,691,000 |
| 12 | Page | $40,000,000 |
| 13 | Perkins Eastman | $38,750,000 |
| 14 | HKS | $36,120,903 |
| 15 | Populous | $31,442,000 |
| 16 | Adrian Smith + Gordon Gill Architecture | $28,570,000 |
| 17 | NORR | $26,355,578 |
| 18 | Jerde Partnership, The | $20,500,000 |
| 19 | Leo A Daly | $19,050,000 |
| 20 | MulvannyG2 Architecture | $18,000,000 |
| 21 | Goettsch Partners | $14,950,000 |
| 22 | Cambridge Seven Associates | $14,657,400 |
| 23 | SmithGroupJJR | $13,100,000 |
| 24 | VOA Associates | $12,558,614 |
| 25 | WD Partners | $11,500,000 |
| 26 | Smallwood, Reynolds, Stewart, Stewart & Associates | $9,208,743 |
| 27 | Davis Brody Bond | $7,700,125 |
| 28 | FXFOWLE Architects | $7,680,000 |
| 29 | CannonDesign | $7,000,000 |
| 30 | GBBN Architects | $6,980,000 |
| 31 | Epstein | $6,731,000 |
| 32 | Flad Architects | $6,580,000 |
| 33 | MBH Architects | $5,471,000 |
| 34 | Hammel, Green and Abrahamson | $5,100,000 |
| 35 | Cuningham Group Architecture | $4,798,454 |
| 36 | Payette | $4,488,512 |
| 37 | Clark Nexsen | $4,435,941 |
| 38 | ZGF Architects | $4,374,417 |
| 39 | WHR Architects | $3,907,392 |
| 40 | Parkhill, Smith & Cooper | $3,518,000 |
| 41 | Westlake Reed Leskosky | $3,300,000 |
| 42 | FRCH Design Worldwide | $3,260,000 |
| 43 | DLR Group | $3,100,000 |
| 44 | RS&H | $2,450,000 |
| 45 | Corgan | $2,413,640 |
| 46 | Ratio Architects | $2,392,817 |
| 47 | Rosser International | $2,371,785 |
| 48 | Ennead Architects | $2,367,000 |
| 49 | Beyer Blinder Belle | $2,235,683 |
| 50 | Solomon Cordwell Buenz | $2,000,000 |
| 51 | Albert Kahn Associates | $2,000,000 |
| 52 | SchenkelShultz Architecture | $1,977,000 |
| 53 | Integrus Architecture | $1,941,923 |
| 54 | Swanke Hayden Connell Architects | $1,843,000 |
| 55 | Ware Malcomb | $1,807,000 |
| 56 | Shepley Bulfinch | $1,760,000 |
| 57 | LMN Architects | $1,678,400 |
| 58 | Nelson | $1,619,612 |
| 59 | IBI Group ? Gruzen Samton | $1,500,000 |
| 60 | KZF Design | $1,448,034 |
| 61 | Sherlock, Smith & Adams | $1,230,000 |
| 62 | OZ Architecture | $1,200,000 |
| 63 | BRPH | $1,190,000 |
| 64 | Gresham, Smith and Partners | $1,071,000 |
| 65 | Nadel | $1,000,000 |
| 66 | EwingCole | $1,000,000 |
| 67 | Adache Group Architects | $875,000 |
| 68 | P+R Architects | $870,123 |
| 69 | RSP Architects | $810,000 |
| 70 | Fentress Architects | $758,040 |
| 71 | RNL | $639,000 |
| 72 | EDI International | $575,101 |
| 73 | Little | $486,000 |
| 74 | Harvard Jolly Architecture | $483,206 |
| 75 | Harley Ellis Devereaux | $480,000 |
| 76 | SHW Group | $407,000 |
| 77 | Heery International | $359,361 |
| 78 | Sheehan Partners | $276,860 |
| 79 | HMC Architects | $274,593 |
| 80 | PGAL | $252,000 |
| 81 | Cooper Carry | $244,714 |
| 82 | Carrier Johnson + Culture | $106,500 |
| 83 | Lord Aeck Sargent | $101,355 |
| 84 | TK Architects | $90,000 |
| 85 | Wight & Company | $85,000 |
| 86 | FreemanWhite | $80,138 |
| 87 | Mithun | $71,200 |
| 88 | Colkitt & Company | $20,000 |
| 89 | Hoffmann Architects | $8,400 |
Top International Engineering Firms
| Rank | Company | 2013 International Building Revenue |
| 1 | Jacobs | $6,175,120,000 |
| 2 | Fluor Corporation | $1,991,610,000 |
| 3 | URS Corp. | $1,314,679,005 |
| 4 | AECOM Technology Corp. | $1,138,730,000 |
| 5 | Parsons Brinckerhoff | $1,084,936,001 |
| 6 | Thornton Tomasetti | $37,269,089 |
| 7 | Arup | $37,016,942 |
| 8 | Burns & McDonnell | $30,410,000 |
| 9 | H&A Architects & Engineers | $20,775,000 |
| 10 | Allen & Shariff | $15,126,898 |
| 11 | WSP Group | $12,000,000 |
| 12 | SSOE Group | $11,336,292 |
| 13 | Rolf Jensen & Associates | $7,700,000 |
| 14 | Magnusson Klemencic Associates | $7,601,401 |
| 15 | M-E Engineers | $7,264,800 |
| 16 | Syska Hennessy Group | $6,585,219 |
| 17 | Simpson Gumpertz & Heger | $5,600,000 |
| 18 | Affiliated Engineers | $5,067,000 |
| 19 | Ross & Baruzzini | $4,797,400 |
| 20 | Aon Fire Protection Engineering Corp. | $4,500,000 |
| 21 | Vanderweil Engineers | $4,136,700 |
| 22 | AKF Group | $3,725,000 |
| 23 | Walter P Moore and Associates | $3,705,416 |
| 24 | Leidos | $3,470,000 |
| 25 | TTG | $3,459,770 |
| 26 | DeSimone Consulting Engineers | $2,765,700 |
| 27 | Interface Engineering | $2,659,451 |
| 28 | TLC Engineering for Architecture | $2,552,582 |
| 29 | Walker Parking Consultants | $2,479,817 |
| 30 | CTLGroup | $2,200,000 |
| 31 | Environmental Systems Design | $1,732,272 |
| 32 | KPFF Consulting Engineers | $1,500,000 |
| 33 | Integrated Design Group | $1,023,750 |
| 34 | Hixson Architecture, Engineering, Interiors | $1,000,000 |
| 35 | Henderson Engineers | $870,000 |
| 36 | Coffman Engineers | $800,000 |
| 37 | Glumac | $798,379 |
| 38 | RMF Engineering | $500,000 |
| 39 | CCRD Partners | $425,000 |
| 40 | Dewberry | $400,000 |
| 41 | Primera Engineers | $253,000 |
| 42 | Paulus, Sokolowski and Sartor | $250,000 |
| 43 | ThermalTech Engineering | $230,000 |
| 44 | Newcomb & Boyd | $216,965 |
| 45 | Mazzetti | $166,970 |
| 46 | Highland Associates | $150,000 |
| 47 | Zak Companies | $54,939 |
| 48 | Sparling | $41,524 |
| 49 | Spectrum Engineers | $25,994 |
| 50 | Wiss, Janney, Elstner Associates | $9,100 |
| 51 | Wick Fisher White | $4,400 |
Top International Construction Firms
| Rank | Company | 2013 International Building Revenue |
| 1 | Parsons Brinckerhoff | $1,084,936,001 |
| 2 | B. L. Harbert International | $504,312,862 |
| 3 | JLL | $305,410,000 |
| 4 | Structure Tone | $295,448,000 |
| 5 | Hill International | $295,000,000 |
| 6 | Gilbane | $264,183,000 |
| 7 | Walbridge | $227,000,000 |
| 8 | Yates Companies, The | $177,000,000 |
| 9 | Walsh Group, The | $150,818,010 |
| 10 | PCL Construction | $91,802,638 |
| 11 | Lend Lease | $75,262,000 |
| 12 | Barton Malow | $62,905,871 |
| 13 | Turner Construction | $39,141,101 |
| 14 | Alberici Constructors | $23,411,539 |
| 15 | Beck Group, The | $17,509,885 |
| 16 | Haskell | $15,300,262 |
| 17 | Allen & Shariff | $15,126,898 |
| 18 | Shawmut Design and Construction | $13,750,000 |
| 19 | DPR Construction | $9,200,000 |
| 20 | Fortis Construction | $8,300,000 |
| 21 | Astorino | $1,745,421 |
| 22 | Hunt Construction Group | $1,000,000 |
| 23 | Hunt Companies | $543,000 |
| 24 | Heery International | $359,361 |
| 25 | BlueScope Construction | $323,025 |
| 26 | Wight & Company | $85,000 |
Read BD+C's full 2014 Giants 300 Report
Related Stories
High-rise Construction | Aug 11, 2015
Calatrava's Turning Torso wins CTBUH's 10 Year Award
The 623-foot, 57-story tower was the world's first twisting skyscraper. Completed in 2005, the building, designed by Santiago Calatrava, rotates 90 degrees along its height.
Architects | Aug 11, 2015
Architecture firm compensation trending upwards
Latest AIA compensation survey finds average compensation for staff positions up 3.5 percent from early 2013
Architects | Aug 11, 2015
12 architecture schools join NCARB's 'speedy path to licensure' program
For architecture students, a license to practice may soon be available as early as graduation day
Architects | Aug 10, 2015
HDR expands its Canadian presence through merger with CEI Architecture
Public-private partnerships are expected to be one of the combined entity’s strengths.
Retail Centers | Aug 10, 2015
Walgreens’ flagship in Hawaii harkens back to the island’s fishing culture
A house where canoes were made served as the model for this drug superstore’s design.
Giants 400 | Aug 7, 2015
GOVERNMENT SECTOR GIANTS: Public sector spending even more cautiously on buildings
AEC firms that do government work say their public-sector clients have been going smaller to save money on construction projects, according to BD+C's 2015 Giants 300 report.
Giants 400 | Aug 7, 2015
K-12 SCHOOL SECTOR GIANTS: To succeed, school design must replicate real-world environments
Whether new or reconstructed, schools must meet new demands that emanate from the real world and rapidly adapt to different instructional and learning modes, according to BD+C's 2015 Giants 300 report.
Giants 400 | Aug 7, 2015
MULTIFAMILY AEC GIANTS: Slowdown prompts developers to ask: Will the luxury rentals boom hold?
For the last three years, rental apartments have occupied the hot corner in residential construction, as younger people gravitated toward renting to be closer to urban centers and jobs. But at around 360,000 annual starts, multifamily might be peaking, according to BD+C's 2015 Giants 300 report.
Giants 400 | Aug 7, 2015
UNIVERSITY SECTOR GIANTS: Collaboration, creativity, technology—hallmarks of today’s campus facilities
At a time when competition for the cream of the student/faculty crop is intensifying, colleges and universities must recognize that students and parents are coming to expect an education environment that foments collaboration, according to BD+C's 2015 Giants 300 report.
Giants 400 | Aug 7, 2015
RECONSTRUCTION AEC GIANTS: Restorations breathe new life into valuable older buildings
AEC Giants discuss opportunities and complications associated with renovation, restoration, and adaptive reuse construction work.
