- Academy Health
- ACIC
- AES
- Alliance Material Handling
- Alliance of Automobile Manufacturers
- American Association of Poison Control Centers
- American Bakers Association
- American Council for an Energy Efficient Economy
- American Counseling Association
- American Foreign Service Association
- American Housing Lodging Association
- American Resort Development Association
- American Society of Consultant Pharmacists
- American Society of Landscape Architects
- American Urological Association
- Arts Club of Washington
- Association for the Advancement of Medical Instrumentation
- Association of the United States Army
- Axiaware
- Babyscripts
- BC Architects and Engineers
- Benton Homes, Inc.
- Blackfin Real Estate Investors, LLC
- Caring Hands Animal Hospital
- Censeo Consulting Group
- Center for Global Development
- Christ Child Society, Inc.
- Citizens Development Corps
- City of Alexandria
- Clarabridge
- Community Academy Public Charter School
- CSI
- Cole Roofing
- C-TAC
- Council for the Accreditation of Educator Preparation (CAEP)
- DC Central Kitchen
- D & R International
- Dairy Ashford Family Practice
- Development Training Institute
- EB5 Capital
- Encompass LLC
- Enterprise Community Investment
- Epilepsy Foundation
- Executive Management Associates
- Express Homebuyers DC, LLC
- Fairfax County Federal Credit Union
- Family & Nursing Care
- First Line Technology
- Frontier Strategy Group
- Future Business Leaders of America-Phi Beta Lambda, Inc. (FBLA-PBL)
- GenVec, Inc.
- Georgetown Preparatory School
- Georgetown Visitation
- Goel and Anderson
- Gonzaga College High School
- Goodwill Industries International
- Goodwin Brothers
- Graphic Media Group
- HBW Group
- Heart Rhythm Society
- Howard Hughes Medical Institute
- Infectious Diseases Society Of America
- Integral
- Intellectus
- Intellor
- International Association of Exhibition Managers
- International Association of Fire Fighters
- International Chain Salon Association
- International Council on Clean Transportation
- International Liquid Terminal Association
- International Research & Exchanges Board (IREX)
- Interstate Natural Gas Association Of America
- J. Spargo & Associates
- Janson Communications
- Jill’s House
- Keybridge Communications
- Knowland
- KWC CPA
- Landon School
- L’Arche, Inc.
- Learning in Action Technologies
- Manufacturers Alliance for Productivity and Innovation (MAPI)
- Maroon PR
- Marine Corps Scholarship Foundation
- Mars Symbioscience
- NASW Assurance Services
- National Association for the Education of Young Children (NAEYC)
- National Electrical Contractors Association (NECA)
- National Presbyterian School
- National Retail Federation
- National Stone, Sand & Gravel Association
- National Student Clearinghouse
- National Trade Productions
- National Trust Community Investment Corporation
- NDE Quality Systems
- Noldus
- North American Millers’ Association
- OTJ Architects
- Owen Software
- PCI
- Pepco Energy Services
- Physicians Education Network
- PineRock Productions
- Prescott Legal
- Quality Air Services
- Quantified Ventures
- Rand Construction Corporation
- Revolution Corporate Services
- Ronald McDonald House Charities – DC
- Salon Development Corporation
- Sasha Bruce Youthwork
- SNAC International
- Solv LLC
- Sotheby’s
- Tech Council of Maryland
- The Becket Fund
- The Employment Law Group
- The Kiplinger Washington Editors
- The Phillips Collection
- The Skillsource Group
- The Tax Foundation
- The Vision Council
- The Weinberg Group
- Torti & Gallas + Partners
- U.S. Soccer Foundation
- United States Hispanic Chamber Of Commerce
- Venable LLP
- VerticalApps
- Virginia Emergency Medical Associates
- World Food Program USA
- Women in Cable Telecommunications
- Women’s Public Leadership Network