| Rank | Company | 2012 Data Center Revenue ($) |
| 1 | Corgan | $27,534,191 |
| 2 | Gensler | $23,330,000 |
| 3 | HDR Architecture | $16,295,000 |
| 4 | Integrated Design Group | $14,598,910 |
| 5 | PageSoutherlandPage | $14,450,000 |
| 6 | Reynolds, Smith and Hills | $4,360,000 |
| 7 | Callison | $3,973,699 |
| 8 | Little | $3,655,590 |
| 9 | RTKL Associates | $3,634,000 |
| 10 | EwingCole | $3,000,000 |
| 11 | Heery International | $1,043,000 |
| 12 | HLW International | $1,000,000 |
| 12 | Westlake Reed Leskosky | $1,000,000 |
| 14 | PGAL | $980,000 |
| 15 | Environetics | $948,678 |
| 16 | SMMA | Symmes Maini & McKee Associates | $770,000 |
| 17 | Gresham, Smith and Partners | $700,167 |
| 18 | Kirksey Architecture | $634,576 |
| 19 | Ware Malcomb | $626,000 |
| 20 | IBI Group | $597,893 |
| 21 | Albert Kahn Family of Companies | $506,503 |
| 22 | Solomon Cordwell Buenz | $500,000 |
| 23 | NELSON | $408,322 |
| 24 | Emersion Design | $333,229 |
| 25 | Harley Ellis Devereaux | $285,000 |
| 26 | DJM Architecture | $277,900 |
| 27 | Rule Joy Trammell + Rubio | $250,000 |
| 28 | JRS Architect | $200,000 |
| 29 | CTA Architects Engineers | $151,300 |
| 30 | KZF Design | $143,691 |
| 31 | VOA Associates | $135,000 |
| 32 | BBS Architects, Landscape Architects and Engineers | $130,000 |
| 33 | Harvard Jolly Architecture | $125,000 |
| 34 | Wight & Co. | $106,600 |
| 35 | HOK | $98,000 |
| 36 | Nadel | $25,000 |
| 37 | RSP Architects | $21,000 |
Read the Data Center Giants article
Read BD+C's full Giants 300 Report
Related Stories
Mixed-Use | Aug 16, 2016
Goettsch Partners completes mixed-use tower in R&F Yingkai Square
The 66-story building is now the 7th tallest completed building in Guangzhou.
| Aug 15, 2016
SPORTS FACILITY GIANTS: New and renovated college sports venues - designed to serve students and the community
Schools are renovating existing structures or building new sports facilities that can serve the student body and surrounding community.
| Aug 15, 2016
Top 50 Sports Facility Architecture Firms
Populous, HKS, and HOK top Building Design+Construction’s annual ranking of the nation’s largest sports facility sector architecture and A/E firms, as reported in the 2016 Giants 300 Report.
| Aug 15, 2016
MILITARY GIANTS: Cross-laminated timber construction gets a salute from the Army
By privatizing the construction, renovation, operation, maintenance, and ownership of its hotels the Army expects to cut a 20-year timetable for repairs and replacement of its lodging down to eight years.
| Aug 15, 2016
Top 30 Military Architecture Firms
HDR, Clark Nexsen, and Guernsey top Building Design+Construction’s annual ranking of the nation’s largest military sector architecture and A/E firms, as reported in the 2016 Giants 300 Report.
| Aug 12, 2016
SCIENCE + TECHNOLOGY GIANTS: Incubator model is reimagining research and lab design
Interdisciplinary interaction is a common theme among many new science and technology offices.
| Aug 12, 2016
Top 40 Science + Technology Architecture Firms
Perkins+Will, HDR, and HOK top Building Design+Construction’s annual ranking of the nation’s largest science + technology sector architecture and A/E firms, as reported in the 2016 Giants 300 Report.
| Aug 12, 2016
OFFICE GIANTS: Technology is giving office workers the chance to play musical chairs
Technology is redefining how offices function and is particularly salient in the growing trend of "hoteling" and "hot seating" or "free addressing."
| Aug 12, 2016
Top 100 Office Architecture Firms
Gensler, HOK, and Perkins+Will top Building Design+Construction’s annual ranking of the nation’s largest office sector architecture and A/E firms, as reported in the 2016 Giants 300 Report.
| Aug 11, 2016
RETAIL GIANTS: Retailers and developers mix it up to stay relevant with shoppers
Retail is becoming closely aligned with entertainment, and malls that can be repositioned as lifestyle centers will have enhanced value.
