| Rank | Company | 2012 Total Revenue ($) |
| 1 | Stantec | $467,254,421 |
| 2 | HOK | $406,780,000 |
| 3 | HDR Architecture | $325,900,000 |
| 4 | Skidmore, Owings & Merrill | $281,686,000 |
| 5 | IBI Group | $252,552,343 |
| 6 | HKS | $240,300,000 |
| 7 | RTKL Associates | $202,823,000 |
| 8 | Cannon Design | $202,000,000 |
| 9 | SmithGroupJJR | $166,600,000 |
| 10 | DLR Group | $116,400,000 |
| 11 | Hammel, Green and Abrahamson | $112,300,000 |
| 12 | PageSoutherlandPage | $98,500,000 |
| 13 | Leo A Daly | $92,791,291 |
| 14 | EYP | $85,381,169 |
| 15 | Gresham, Smith and Partners | $74,168,177 |
| 16 | EwingCole | $67,700,000 |
| 17 | Flad Architects | $65,200,000 |
| 18 | HNTB Archtecture | $58,468,611 |
| 19 | Heery International | $55,340,000 |
| 20 | SHW Group | $49,281,187 |
| 21 | Little | $46,898,000 |
| 22 | BSA LifeStructures | $45,582,887 |
| 23 | Reynolds, Smith and Hills | $43,600,000 |
| 24 | Ballinger | $43,540,000 |
| 25 | CTA Architects Engineers | $43,229,335 |
| 26 | LPA | $41,840,775 |
| 27 | HLW International | $39,000,000 |
| 28 | NELSON | $38,453,532 |
| 29 | PBK | $38,000,000 |
| 30 | Harley Ellis Devereaux | $37,100,000 |
| 31 | WD Partners | $37,000,000 |
| 32 | PGAL | $36,600,000 |
| 33 | Sasaki Associates | $32,710,169 |
| 34 | S/L/A/M Collaborative, The | $32,426,000 |
| 35 | Moseley Architects | $32,409,210 |
| 36 | Moody Nolan | $26,000,000 |
| 37 | FreemanWhite | $25,600,000 |
| 37 | Westlake Reed Leskosky | $25,600,000 |
| 39 | SMMA | Symmes Maini & McKee Associates | $23,000,000 |
| 40 | Goodwyn, Mills & Cawood | $21,780,000 |
| 41 | Astorino | $21,515,000 |
| 42 | Fanning/Howey Associates | $21,370,000 |
| 43 | Fletcher-Thompson | $19,900,000 |
| 44 | Albert Kahn Family of Companies | $19,576,600 |
| 45 | Epstein | $18,789,000 |
| 46 | Fishbeck, Thompson, Carr & Huber | $17,400,000 |
| 47 | Sherlock, Smith & Adams | $16,893,000 |
| 48 | Hoefer Wysocki Architecture | $16,608,000 |
| 49 | Taylor | $16,196,847 |
| 50 | LawKingdon Architecture | $15,000,000 |
| 51 | Integrated Design Group | $14,598,910 |
| 52 | Environetics | $13,376,338 |
| 53 | Baskervill | $12,707,000 |
| 54 | CASCO | $12,250,000 |
| 55 | Hoffmann Architects | $10,393,000 |
| 56 | TEG Architects - The Estopinal Group | $8,317,770 |
| 57 | BBS Architects, Landscape Architects and Engineers | $8,035,000 |
| 58 | KZF Design | $7,723,588 |
| 59 | Rule Joy Trammell + Rubio | $7,660,000 |
| 60 | DLA Architects | $7,061,360 |
| 61 | Emersion Design | $4,327,804 |
Read the Architecture Giants article
Read BD+C's full Giants 300 Report
Related Stories
| Aug 11, 2010
Burwell Architects, Ziegler Cooper Architects announce merger
Ziegler Cooper Architects is pleased to announce that Burwell Architects has merged into the Corporate Interior Studio of Ziegler Cooper Architects. We believe the new relationship will enhance and expand the services we can provide to our clients.
| Aug 11, 2010
BE&K Building Group, Turner, BRPH awarded Boeing 787 Dreamliner assembly plant project
A joint venture of the BE&K Building Group and Turner Construction (BE&K | Turner), with design partner BRPH, has been awarded the design-build contract for design and construction of The Boeing Company’s new 787 Dreamliner final assembly plant in North Charleston, South Carolina.
| Aug 11, 2010
Sustainable Buildings as Teaching Tools: 4 Strategies for Integrating Buildings into Experiential Learning
4 Strategies for Integrating Buildings into Experiential Learning
| Aug 11, 2010
Using physical mockups to identify curtain wall design flaws
Part two of a five-part series on diagnosing and avoiding cladding, glazing, and roofing failures from building forensics expert IBA Consultants.
| Aug 11, 2010
Morphosis builds 'floating' house for Brad Pitt's Make It Right New Orleans foundation
Morphosis Architects, under the direction of renowned architect and UCLA professor Thom Mayne, has completed the first floating house permitted in the U.S. for Brad Pitt’s Make It Right Foundation in New Orleans.The FLOAT House is a new model for flood-safe, affordable, and sustainable housing that is designed to float securely with rising water levels.
| Aug 11, 2010
Turner edges out Perkins+Will for the top spot on BD+C's Top 200 Building Team LEED APs ranking
With 1,006 LEED Accredited Professionals on staff, Turner Construction took the top spot on Building Design+Construction’s 2009 ranking of AEC firms with the most LEED APs, published as part of the Giants 300 report. Turner added more than 580 LEED APs during the past year to surpass Perkins+Will, which held the top spot four years running.
| Aug 11, 2010
BIG's 'folded façade' design takes first-prize in competition for China energy company headquarters
Copenhagen-based architect BIG, in collaboration with ARUP and Transsolar, was awarded first-prize in an international competition to design Shenzhen International Energy Mansion, the regional headquarters for the Shenzhen Energy Company.
| Aug 11, 2010
Guggenheim and Google team up on shelter design competition
The Solomon R. Guggenheim Museum and Google yesterday announced the launch of Design It: Shelter Competition, a global, online initiative that invites the public to use Google Earth and Google SketchUp to create and submit designs for virtual 3-D shelters for a location of their choice anywhere on Earth. The competition opened on June 8, 2009, in honor of Frank Lloyd Wright’s birthday, and closes to submissions on August 23.
