| Aircraft Owners and Pilots Association |
| Alexandria Convention & Visitors Association |
| AOL LLC |
| American Chemical Society |
|
American Petroleum Institute |
| Ann Taylor |
AT&T |
| Booz Allen Hamilton |
| Cablevision |
| Clarkston Consulting |
| CIA |
| CNN |
| Computer Associates |
| Cox Communications |
| Defense Intelligence Agency |
| Deloitte & Touche |
| Discovery Communications |
| Ernst & Young |
| Federal Bureau of Investigation |
| Fidelity Investments |
| Freddie Mac |
| General Dynamics |
| Gensler |
| HealthCare Resolution Services |
| Howard Hughes Medical Institute |
| Inova Health System |
| International Center for Research on Women |
| International Monetary Fund |
| James Madison University |
| Leadership Fairfax |
| LMI |
| Lockheed Martin Corporation |
| Loudoun Convention & Visitors Association |
| KPMG LLP |
| Madison Square Garden |
| MarketBridge |
| Marriott International |
| Middlesex Partnerships for Youth |
| National Association of Home Builders |
| National Geospatial-Intelligence Agency |
| Navy Federal Credit Union |
| Northern Virginia Community Foundation |
| Northrop Grumman Mission Systems |
| NVR |
| Odin, Feldman & Pittleman |
| PBS |
| Peace Corps |
| PricewaterhouseCoopers |
| Regeneration Technologies, Inc. |
| Reston Association |
| SAIC |
| SI International |
| Social Security Administration |
| Spiegel & McDiarmid |
| SRA International |
| Steelcase Design Partnership |
| Sun Microsystems |
| Sunrise Senior Living |
| The Boeing Company |
| The Carlyle Group |
| The Nature Conservancy |
| Time Warner |
| Time Warner Cable |
| Trimble Navigation, Ltd. |
| Turner Entertainment |
| Tyco International |
| United States Department of Commerce |
| United States Department of Education |
| United States Department of State |
| United States Secret Service |
| United States Senate |
| Virginia Center for School Safety |
| Virginia Department of Transportation |
| Wisconsin Department of Justice |
| The World Bank |
| WTPF |