| AECOM |
| AFLAC |
| Allergan |
| America West |
| Amylin |
| Arizona Public Services Co. (APS) |
| Bearing Point |
| Bell Helicopter |
| Bi-Lo - (APC) |
| Boeing |
| Burlington Northern Santa Fe Railway Co. |
| Capgemini |
| Capita Financial Services |
| Chevron Corporation |
| Detroit Edison |
| EDS |
| Federal Reserve Bank of San Francisco |
| Fireman's Fund Insurance Co. |
| FMC Technologies |
| Halliburton Energy Services |
| Harris Interactive |
| Honeywell |
| Houston Metro |
| Inserv USA |
| Jacobs Engineering Group Inc. |
| Kansas City Southern |
| Koch Materials Co. |
| Level 3 |
| Lower Colorado River Authority |
| Mustang Engineering |
| Nortel |
| North American Development Bank |
| Oakwood Worldwide |
| Pantex |
| Physician's Mutual |
| Port of Long Beach |
| Primavera Systems |
| Raytheon |
| Seton Healthcare Network |
| Spirit Aerosystems |
| State Farm Insurance |
| Sun Microsystems |
| Sundt Construction |
| Suntrust |
| Sutter Healthcare |
| SW Research Institute |
| Tellepsen |
| Texas Department of Insurance |
| Toyota |
| Unisys |
| Universal Ensco |
| Universal Studios |
| University of Pittsburgh Medical Center |
| University of Texas Systems |
| US Army Corps of Engineers |
| USACE |
| VeraSun Energy |
| Veteran's Administration |
| Warner Music Group |
| Washoe Health Systems |
| Weyerhauser |
| Wood Group |