| Rank | Company | 2013 A/E Revenue ($) |
| 1 | Stantec | $450,836,575 |
| 2 | HOK | $400,000,000 |
| 3 | Skidmore, Owings & Merrill | $334,525,346 |
| 4 | HDR | $303,000,000 |
| 5 | HKS | $255,063,624 |
| 6 | CannonDesign | $213,000,000 |
| 7 | RTKL Associates | $205,373,000 |
| 8 | SmithGroupJJR | $162,973,000 |
| 9 | Hammel, Green and Abrahamson | $119,100,000 |
| 10 | DLR Group | $110,000,000 |
| 11 | Leo A Daly | $107,370,172 |
| 12 | Page | $99,750,000 |
| 13 | Flad Architects | $77,200,000 |
| 14 | NORR | $77,138,166 |
| 15 | EYP Architecture & Engineering | $75,000,000 |
| 16 | Heery International | $69,483,688 |
| 17 | EwingCole | $66,400,000 |
| 18 | Gresham, Smith and Partners | $63,648,000 |
| 19 | Clark Nexsen | $62,965,000 |
| 20 | SHW Group | $56,587,000 |
| 21 | Little | $54,196,720 |
| 22 | RS&H | $49,000,000 |
| 23 | RSP Architects | $47,822,000 |
| 24 | LPA | $47,519,086 |
| 25 | CTA Architects Engineers | $45,875,649 |
| 26 | Harley Ellis Devereaux | $43,500,000 |
| 27 | PBK | $42,600,000 |
| 28 | Ware Malcomb | $42,100,000 |
| 29 | WD Partners | $41,800,000 |
| 30 | Nelson | $40,253,092 |
| 31 | Hunt Companies | $39,986,811 |
| 32 | Ballinger | $38,780,911 |
| 33 | BRPH | $36,516,000 |
| 34 | BSA LifeStructures | $36,345,640 |
| 35 | Moody Nolan | $36,130,811 |
| 36 | Epstein | $31,856,000 |
| 37 | PGAL | $30,680,000 |
| 38 | Morris Architects | $27,824,750 |
| 39 | Parkhill, Smith & Cooper | $27,519,000 |
| 40 | Bergmann Associates | $27,500,000 |
| 41 | Goodwyn Mills & Cawood | $26,864,800 |
| 42 | FreemanWhite | $25,543,154 |
| 43 | Westlake Reed Leskosky | $25,300,000 |
| 44 | Lord Aeck Sargent | $25,255,733 |
| 45 | Symmes Maini & McKee Associates | $23,385,000 |
| 46 | HNTB Corp. | $20,743,217 |
| 47 | Albert Kahn Associates | $20,173,778 |
| 48 | Environetics | $18,784,073 |
| 49 | Fanning/Howey Associates | $18,623,000 |
| 50 | SchenkelShultz Architecture | $18,570,000 |
| 51 | Integrus Architecture | $18,156,275 |
| 52 | Hastings+Chivetta Architects | $16,856,518 |
| 53 | Wight & Company (AE) | $16,194,000 |
| 54 | S/L/A/M Collaborative, The | $15,838,420 |
| 55 | Astorino | $14,092,666 |
| 56 | Rule Joy Trammell + Rubio | $14,053,380 |
| 57 | Nadel | $14,000,000 |
| 58 | LawKingdon Architecture | $13,500,000 |
| 59 | CASCO Diversified Corp. | $13,300,000 |
| 60 | Baskervill | $12,126,880 |
| 61 | Becker Morgan Group | $12,111,245 |
| 62 | Margulies Perruzzi Architects | $11,482,280 |
| 63 | TEG Architects | $10,387,812 |
| 64 | KZF Design | $10,192,399 |
| 65 | LaBella Associates | $9,768,684 |
| 66 | Rosser International | $8,971,774 |
| 67 | Sherlock, Smith & Adams | $8,318,000 |
| 68 | BBS Architects | $8,093,283 |
| 69 | Urban Design Group | $7,660,000 |
| 70 | Hoffmann Architects | $7,400,000 |
| 71 | JRS Architect | $5,900,000 |
| 72 | Sheehan Partners | $5,808,601 |
| 73 | TK Architects | $4,342,048 |
| 74 | Hensley Lamkin Rachel | $3,510,000 |
| 75 | Emersion Design | $3,507,325 |
| 76 | PHX Architecture | $3,300,000 |
| 77 | RDH Interests | $3,290,542 |
| 78 | ATA Beilharz Architects | $1,575,255 |
| 79 | Colkitt & Company | $1,100,000 |
| 80 | Poskanzer Skott | $1,025,000 |
Read the Architecture Giants article
Read BD+C's full 2014 Giants 300 Report
Related Stories
| Jul 15, 2013
Top Engineering/Architecture Firms [2013 Giants 300 Report]
Jacobs, AECOM, Parsons Brinckerhoff top Building Design+Construction's 2013 ranking of the largest engineering/architecture firms in the United States.
| Jul 15, 2013
Top Architecture/Engineering Firms [2013 Giants 300 Report]
Stantec, HOK, HDR top Building Design+Construction's 2013 ranking of the largest architecture/engineering firms in the United States.
| Jul 15, 2013
Top Architecture Firms [2013 Giants 300 Report]
Gensler, Perkins+Will, NBBJ top Building Design+Construction's 2013 ranking of the largest architecture firms in the United States.
| Jul 15, 2013
Zaha Hadid unveils plan for boutique condo development in New York
Related Companies taps the London-based architect for the 11-story 520 West 28th Street residential development adjacent to the High Line in Chelsea.
| Jul 12, 2013
12 award-winning healthcare projects [slideshow]
AIA's Academy of Architecture for Health announced the recipients of the 2013 AIA National Healthcare Design Awards.
| Jul 11, 2013
Bill to borrow more for college spending in Michigan criticized due to ‘higher-ed bubble’
An amendment to a Michigan appropriations budget authorizes an increase in state debt to pay for state university construction projects. But some experts see a “higher education bubble” on the horizon, and said more taxpayer debt for more buildings is a bad idea.
| Jul 11, 2013
Skanska exits U.S. Chamber of Commerce over LEED controversy
Skanska USA resigned from the U.S. Chamber of Commerce over the Chamber’s decision to support the American High-Performance Buildings Coalition.
| Jul 11, 2013
DOE releases stricter energy efficiency standards for new federal buildings taking effect in 2014
The Energy Department released stricter energy efficiency standards this month for new federal buildings.
| Jul 11, 2013
Pennsylvania legislators work on bill to update demolition codes following fatal building collapse
Pennsylvania lawmakers are working on a bill to update demolition codes, in the wake of a fatal building collapse in Philadelphia in June.
