| U.S. Senate | Glover Park Group |
| U.S. House of Representatives | Hogan & Hartson LLP |
| Library of Congress | HONDA |
| Naval Sea Systems Command | IFC |
| The White House | Jenner & Block LLP |
| U.S. Air Force | Kilpatrick Stockton LLP |
| U.S. Coast Guard | Kirkland & Ellis LLP |
| U.S. Court of Appeals for the Armed Services | Kiwanis Club of Washington |
| U.S. Court of Appeals for the Federal Circuit | KPMG LLP |
| U.S. Department of Defense/Joint Staff | LitSoft |
| U.S. Department of Education | MAERSK Inc. |
| U.S. Department of Energy | McGraw-Hill Companies |
| U.S. Department of Health and Human Services | McLeod, Watkinson & Miller |
| U.S. Department of Justice | Mecca Court 2 Daughters of Isis |
| U.S. Department of Labor | Medtronic, Inc. |
| U.S. Department of State | Montgomery County Public Schools |
| U.S. Department of Transportation | National Association of Broadcasters |
| U.S. Environmental Protection Agency | National Coorperative Bank |
| U.S. Food and Drug Administration | National Defense University |
| Government of the District of Columbia | National Education Association |
| DC Executive Office of the Mayor | National Geographic Society |
| DC Department of Motor Vehicles | National Governors' Association |
| Academy for Educational Development | National Institutes of Health |
| Altman Dispute Resolution Services | Newhouse News Service |
| American Geophysical Union | Nickerson & Associates |
| American Institute for Cancer Research | Peace Corps |
| API | Powell Goldstein LLP |
| Arctic International LLC | PRM Consullting |
| BAE Systems North America | RJ Reynolds Tobacco Company |
| Baker Donelson Bearman Caldwell & Berkowitz PC | Ropes & Gray LLP |
| Booz Allen Hamilton | Shulman Rogers Gandal Pordy & Ecker PA |
| Bureau of Labor Statistics | Sidley Austin LLP |
| Burson-Marsteller | Smith Barney |
| C-SPAN | Sonnenschein Nath & Rosenthal LLP |
| CACI International, Inc. | Southeastern University |
| Cambridge Energy Research Association | Sutherland Asbill & Brennan LLP |
| Center for Responsive Politics | The Enterprise Foundation |
| Child and Family Services Agency | The Harbour Group |
| Citizens Development Corps | The JBG Companies |
| Combined Properties, Inc. | The Mitchell Group |
| Commodity Futures Trading Commission | The Washington Post |
| Congressional Quarterly | Thomas & Herbert Consulting LLC |
| CTIA - The Wireless Association | Transperfect Translations |
| Dataprise | Tudor Investment |
| DC Housing Authority | U.S. Bank |
| Deloitte | University of Pheonix |
| Democratic National Committee | Venable LLP DC |
| DIRECTV | Verizon |
| Discovery Communications | Washington City Paper |
| Embassy of Australia | Washington Real Estate Investment Trust |
| Enterprise Community Partners | Washington Sports & Entertainment |
| Everybody Wins! DC | Westmoreland Congregational UCC |
| Everybody Wins! USA | White & Case LLP |
| Farmer Mac | Wiley Rein LLP |
| General Dynamics | Winston & Strawn LLP |
| German Marshall Fund of the United States | |
