| Corporate Express | Countrywide | Cox Communications |
| Deloitte | Detroit International Airport | DotsConnect |
| Eaton Corporation | Edison Electric Institute | EnergyOne |
| Engenio | Ensco International | Enterprise Rent-A-Car |
| Equifax | Evertec | Festival Network |
| First Commonwealth Bank | First Data Corporation | First Hawaiian Bank |
| Fletcher Allen Health Care (PDF) | Florida Power and Light | Freightliner (PDF) |
| General Electric Company | Great American Insurance Companies | Great West Life & Annuity |
| Health Partners | Holcim | HSBC |
| IKON | Incyte Genomics | Intermec |
| Invesco Field at Mile High | Itron | Johns Manville (PDF) |
| JPMorgan Chase | Lancaster General Health (PDF) | Level 3 Communications |
| Litton Industries | M&I Bank | M. D. Anderson Cancer Center |
| Mayo Clinic | MB Financial | Meritrust Credit Union (PDF) |
| Methodist Health Care System | MidAmerican Energy | MINI USA (BMW) |
| Modern Woodmen | Monsanto | Montefiore Medical Center |
| National / Budget | National City Bank |