Past Participating Companies
- Abbott
- AccountAbility
- Aflac
- Agrium Inc.
- Alcon
- Allergan
- AMCOL International Inc.
- Amylin Pharmaceuticals
- Anvil Knitwear Inc.
- APP Pharmaceuticals
- Applied Materials Inc.
- Barrick Gold Corp.
- Battelle
- Baxter Healthcare Corp.
- Bemis Co. Inc.
- Boeing Co., The
- Bourns Inc.
- Cardinal Health Inc.
- Caterpillar Inc.
- CFA Institute
- Cisco Systems
- Coca-Cola Refreshments
- Colliers International
- Cookson Electronics
- Corning Inc.
- Covidien
- Cummins Inc.
- Deere & Co.
- Delta Air Lines
- DFW International Airport Board
- Dixie Chemical Co.
- dMASS.net
- Dominican University of California
- Dresser-Rand Co.
- Duke Energy Corp.
- Duke University
- Ecovative Design LLC
- Enerplus Corp.
- ExpressJet AIrlines Inc.
- Federal Reserve Bank of Atlanta
- Fortune Brands
- G&K Services Inc.
- Gambro
- Genentech Inc.
- General Mills Inc.
- Georgia Power Co.
- Georgia-Pacific LLC
- Gilead Sciences
- Granite Construction
- Halliburton Energy Services
- Hisco CMG
- Ingersoll Rand
- Intel Corp.
- Invensys
- ITT Aerospace Controls
- Juniper Networks
- Kaiser Permanente
- Kimberly-Clark Corp.
- Lockheed Martin
- Mattel Inc.
- Millipore Corp.
- Motion Industries Inc.
- Muir Omni Graphics
- NBC Universal
- New York Power Authority
- Newell Rubbermaid
- Novelis Inc.
- NVIDIA
- Office of the Chief, United States Army Reserve
- Orange County Transportaiton Authority
- Oshkosh Corp.
- Pernod Ricard USA
- PG&E
- Port of Houston Authority
- Printpack Inc.
- Raytheon Co.
- Scotts Co., The
- Seneca Foods Corp.
- ServiceMaster Co., The
- Shaw Group Inc., The
- Southwestern Energy Co.
- Spectrum Brands Inc.
- Stanford University
- State Farm Insurance
- TE Connectivity
- Therapak Corp.
- ThyssenKrupp Elevator
- Timken Co., The
- Tyson Foods Inc.
- U.S. Food Service
- University of Arizona
- University of Minnesota, Twin Cities
- USAA
- USBCSD
- Valmont Industries Inc.
- W. R. Grace & Co.
- Westinghouse Electric Co.
- Weyerhaeuser
- World Resources Institute
