With the green building movement now in its second decade, Giants 300 firms have made sustainability comparable to breathing. They do it automatically.
New this year: charts showing the total number of green accredited staff—in addition to LEED APs and LEED Green Associates, the total includes Certified Energy Auditors and Managers, Certified Sustainable Building Advisors, Green Advantage Certified Professionals, Green Globes Assessors and Professionals, Green Roof Professionals, and High-Performance Building Design Professionals.
Note: An AEC professional who is, for example, both a LEED AP and a CEM would be counted in both categories.
Below, you’ll find rankings of green accredited professionals as a percentage of total employees in the firm. We did this to recognize smaller firms that have a high percentage of green-certified staff. +
TOP 10 GREEN BUILDING ARCHITECTURE FIRMS
| Rank | Company | 2011 Green Revenue ($) |
| 1 | Gensler | 392,000,000 |
| 2 | Skidmore, Owings & Merrill | 165,750,000 |
| 3 | HOK | 164,680,868 |
| 4 | HDR Architecture | 137,120,000 |
| 5 | Perkins+Will | 131,350,000 |
| 6 | HKS | 119,325,668 |
| 7 | NBBJ | 106,167,000 |
| 8 | ZGF Architects | 75,600,000 |
| 9 | HNTB Architecture | 62,139,956 |
| 10 | RTKL Associates | 60,000,000 |
TOP 10 GREEN BUILDING ENGINEERING FIRMS
| Rank | Company | 2011 Green Revenue ($) |
| 1 | Stantec | 189,400,000 |
| 2 | URS Corp. | 137,048,000 |
| 3 | AECOM Technology Corp. | 118,000,000 |
| 4 | Jacobs | 102,496,836 |
| 5 | Arup | 60,960,000 |
| 6 | KPFF Consulting Engineers | 50,000,000 |
| 7 | Burns & McDonnell | 43,747,479 |
| 8 | Syska Hennessy Group | 43,150,000 |
| 9 | WSP USA | 34,500,000 |
| 10 | Parsons Brinckerhoff | 34,400,000 |
TOP 10 GREEN BUILDING CONSTRUCTION FIRMS
| Rank | Company | 2011 Green Revenue ($) |
| 1 | Turner Corporation, The | 4,540,280,000 |
| 2 | URS Corp. | 3,875,000,000 |
| 3 | Clark Group | 2,324,000,000 |
| 4 | Balfour Beatty US | 2,137,850,000 |
| 5 | Gilbane Building Co. | 2,085,018,000 |
| 6 | Whiting-Turner Contracting Co., The | 1,911,396,378 |
| 7 | PCL Construction Enterprises | 1,730,300,000 |
| 8 | Hensel Phelps Construction | 1,476,940,000 |
| 9 | Holder Construction | 1,061,000,000 |
| 10 | Barton Malow Co. | 1,005,440,388 |
TOP 10 GREEN ACCREDITED STAFF AT ARCHITECTURE FIRMS
| Rank | Company | 2011 Green Accredited Staff |
| 1 | Gensler | 1211 |
| 2 | Perkins+Will | 986 |
| 3 | HOK | 854 |
| 4 | HDR Architecture | 802 |
| 5 | Cannon Design | 397 |
| 6 | SmithGroupJJR | 367 |
| 7 | HKS, Inc. | 342 |
| 8 | IBI Group | 313 |
| 9 | RTKL Associates | 242 |
| 10 | Skidmore, Owings & Merrill | 235 |
TOP 10 GREEN ACCREDITED STAFF AT ENGINEERING FIRMS
| Rank | Company | 2011 Green Accredited Staff |
| 1 | AECOM Technology Corp. | 914 |
| 2 | Stantec | 664 |
| 3 | Jacobs | 559 |
| 4 | URS Corp. | 501 |
| 5 | Burns & McDonnell | 272 |
| 6 | Arup | 233 |
| 7 | Parsons Brinckerhoff | 223 |
| 8 | WSP USA | 200 |
| 9 | Clark Nexsen | 191 |
| 10 | Dewberry | 178 |
TOP 10 GREEN ACCREDITED STAFF AT CONSTRUCTION FIRMS
| Rank | Company | 2011 Green Accredited Staff |
| 1 | Turner Corporation, The | 1251 |
| 2 | Jones Lang LaSalle | 1250 |
| 3 | Gilbane Building Co. | 481 |
| 4 | Balfour Beatty US | 446 |
| 5 | McCarthy Holdings | 407 |
| 6 | DPR Construction | 399 |
| 7 | JE Dunn Construction | 390 |
| 8 | Clark Group | 355 |
| 9 | PCL Construction Enterprises | 336 |
| 10 | Hensel Phelps Construction | 325 |
Related Stories
| Aug 11, 2010
29 Great Solutions for the AEC Industry
AEC firms are hotbeds of invention and innovation to meet client needs in today's highly competitive environment. The editors of Building Design+Construction are pleased to present 29 "Great Solutions" to some of the most complex problems and issues facing Building Teams today. Our solutions cover eight key areas: Design, BIM + IT, Collaboration, Healthcare, Products, Technology, Business Management, and Green Building.
| Aug 11, 2010
Permanent tribute to Daniel Burnham and his Plan of Chicago proposed for Grant Park Museum Campus
The first-place winner of a design competition for a public memorial celebrating Daniel Burnham's impact on Chicago will be announced at a news conference Wednesday, July 8, at 10am CDT. The proposed site for the memorial is on the Museum Campus just north of The Field Museum. The announcement comes after nearly two years of planning by Chicago's architecture, design and urban planning community about how to best honor the legacy of Burnham and the Plan of Chicago he co-wrote with Edward Bennett.
| Aug 11, 2010
Arup, SOM top BD+C's ranking of the country's largest mixed-use design firms
A ranking of the Top 75 Mixed-Use Design Firms based on Building Design+Construction's 2009 Giants 300 survey. For more Giants 300 rankings, visit http://www.BDCnetwork.com/Giants
| Aug 11, 2010
Architecture billings index takes turn for the worse
After showing signs of stabilization over the last three months, the Architecture Billings Index (ABI) plunged nearly five points in June. As a leading economic indicator of construction activity, the ABI reflects the approximate nine to twelve month lag time between architecture billings and construction spending. The American Institute of Architects (AIA) reported the June ABI rating was 37.7, far lower than the 42.9 the previous month.
| Aug 11, 2010
International Living Building Institute established to advance 'living buildings'
The idea of a Living Building, a high-performance building that produces its own power and cleans and reuses all of its water, is gaining momentum around the world. In an effort to oversee the global development of Living Buildings, the International Living Building Institute (ILBI) has been established.
| Aug 11, 2010
Populous selected to design 'crystalline skin' stadium for 2014 Winter Olympics
Russian officials have selected global architect Populous to design the main stadium for the 2014 Winter Olympic and Paralympic Games in Sochi, Russia. The 40,000-seat stadium will feature a crystalline skin that "engages with its surroundings by day and provides an iconic representation of the color and spectacle of the games when illuminated at night," said Populous senior principal John Barrow.
| Aug 11, 2010
M&A deal volume down 67% in engineering/construction sector: PricewaterhouseCoopers
Global Economic Uncertainty Results in Sluggish Deal Activity in U.S.; China Shows Significant Opportunity for Growth
| Aug 11, 2010
Three Opus Corporation companies file for bankruptcy
Opus Corporation, a developer headquartered in Minnetonka, Minn., filed for bankruptcy in three of its five regional operating companies: Opus East, Opus South, and Opus West. CEO Mark Rauenhorst said sharp declines in commercial real estate values and tight credit markets caused difficulties in refinancing assets and restructuring lending agreements.
