| Texas Instruments |
| University of Maryland |
| U.S. Bureau of Health Care Professionals |
| U.S. Bureau of Primary Health Care |
| U.S. Centers for Medicare & Medicaid Services |
| U.S. Department of Agriculture |
| U.S. Department of Education |
| U.S. Department of Health and Human Services |
| U.S. Department of Interior |
| U.S. Department of Labor |
| U.S. Environmental Protection Agency |
| U.S. Food and Drug Administration |
| U.S. Health Resources and Services Administration |
| U.S. Intelligence Community |
| U.S. National Aeronautics and Space Administration |
| U.S. Patent & Trademark Office |
| U.S. Postal Service |
| U.S. Public Health Service - Division of Commission Personnel |
| W.R. Grace |
| Wachovia Bank |
| World Bank - International Finance Corporation |
