- Association of American Publishers, Inc.
- Association of American Railroads
- Association of Flight Attendants-CWA
- Association of Jewish Aging Services
- Association of Women's Health, Obstetric and Neonatal Nurses
- Atlantic City
- Atlantic Video Inc
- Aviation Week
- AWHONN
- BAE Systems
- Bank of America - Washington, DC
- Bank of America Greater Washington
- Bankcard Services Association
- BBandT Bank
- Best Western New Hampshire Suites, Washington DC
- Black Alliance For Education Option
- Blacks In Government
- Bostrom
- BridgePoint Hospital - Capitol Hill
- BridgePoint Hospital - National Harbor
- Bureau of Labor Statistics U.S. Department of Labor
- Canadian Tourism Commission
- Cassidy and Associates
- Catholic Health Association of the United States
- CCSSO
- Cedar Hill Urgent Care GW Health
- Change Management Center
- Children's National Health System
- Chubb Group of Insurance Companies Mid-Atlantic
- City of New York Mayor's Washington Office
- Classic Hospitality-RB Associates
- Coalition for Natural Health Inc.
- College of American Pathologists
- Congress of National Black Churches
- Congressional Black Caucus Foundation, Inc.
- Conquest Systems
- Consumer Healthcare Products Association
- Convention Sales Professionals International
- Council of Chief State School Officers
- Council on Foundations
- Courtesy Associates
- Courtyard Convention Center
- Creative Associates International, Inc.
- Crowne Plaza Washington DC
- D.C. Veterans Affairs Medical Center
- David Green
- Delta Airlines
- Delta Sigma Theta
- Department of Veterans Affair
- Department of Veterans Affairs VA Learning University