| A.G. Edwards |
| Accenture |
| AIMCO |
| American Express |
| Anton Collins Mitchell LLP |
| Bearing POint |
| CB Richard Ellis |
| Celestica Corporation |
| Central Intelligence Agency |
| Cisco Systems |
| Citigroup |
| Comcast |
| ConAgra Foods, Inc. |
| Coors Brewing Company |
| Corporate Express |
| Deloitte & Touche |
| Ehrhardt, Keefe, Steiner and Hottman (EKS&H) | |
| Ernst & Young LLP |
| Exempla Health Care |
| First Data Corporation |
| FMI Corporation |
| Freddie Mac |
| Gallup |
| Gordon Hughes & Banks, LLP |
| Grant Thornton |
| Great-West Life |
| Hitachi Consulting |
| Hyundai |
| IBM |
| Intel |
| KPMG |
| Lehman Brothers |
| Level 3 Communications |
| McData |
| Medtronic |
| Mercer Human Resources Consulting | |
| Meridian Investment Management |
| Microsoft |
| Motorola |
| Nortel Networks |
| Northrop Grumman |
| Pacificare |
| PeopleSoft |
| Policy Studies, Inc. |
| Pricewaterhouse Coopers |
| Qwest Communications |
| Raytheon Company |
| Republic Financial |
| Siebel Systems |
| TeleTech Holdings, Inc. |
| Time Warner Telecom |
| TransMontaigne |
| U.S. General Services Administration | |