Government Sector: United States Agency for International Development (USAID), Department of State, Department of Homeland Security, FEMA, Lockheed Martin, Department of Labor-Pension Benefit Guaranty Corporation, Department of Justice, District of Columbia Housing Authority, District of Columbia Public Schools, Howard County Recreation & Parks Department, Montgomery County Recreation Department, Reston Community Center, Loudoun County Public Schools, St. Mary’s County Public Schools, Frederick County Public Schools, Prince William County Public Schools, Royal Australian Air Force-Technical Liaison Office.

Private Sector: Chemonics International, MedStar Health, CVS Caremark, Pharma, Marriott International, Hotel Monaco, Fairfield Residential, Valley Mill, The Washington Post, Clark Construction, Airbus, Westat, IBM, Cisco,,,, VeriSign, nTelos Wireless, CompuServe, Zuora, Wurth, First Line Technology, Barclays Bank of Delaware, Wells Fargo, SunTrust, Capital One Auto Finance, Thales, Wilmer Hale, Arnold & Porter, Finnegan & Henderson, Baker and McKenzie, Harness Dickey, Edgewood Management, The Brickman Group, Grady Management, Kay Management, Cropp Metcalf, Southern Management Corporation, Republic Services, Phoenix Packaging, Medimmune, DTLR, Cines Unidos, Mars Botanical, McCormick & Company, Inc., Paradigm, Nando’s, Happy Customers, GMR Marketing, Capital Yacht Charters, Help Unlimited, Washington International Business-Government Council.

Non-Profit Sector: World Bank, Philippine American Foundation for Charities, Fraternal Order of Police, Washington Regional Transplant Community, Congressional Black Caucus Foundation, Youth Law Center, Charles G. Koch Charitable Foundation, KIPP DC, Children’s Hospital, Greater Prince William Healthcare, People to People International, Arlington Diocese, Claggett Center, Living Cities, St. Charles Borromeo, Capitol Steps, For Love Of Children, Camp McLean / Rainbow Camp, Howard Hughes Medical Institute, University of Mary Washington, University of Maryland Baltimore County, George Washington University,  American University, Hampton University, Stony Brook University, Loyola University, Howard University, Johns Hopkins University, Virginia Commonwealth University, Towson University, Georgetown University, Community College of Baltimore, Columbia Union College, Goucher College, Elizabeth Seton High School, National Cathedral School, Glenelg Country School, Holy Child School, Calvert School, McLean School, Georgetown Preparatory School, Cristo Rey Jesuit School, Notre Dame Preparatory School, Loyola Blakefield, Washington International School, St. Paul’s School for Girls, Sunrise Senior Living, Whole Child International, Girl Scouts of America, Boy Scouts of America, Chesapeake Bay Organization Development Network, Entrepreneurs' Organization, Geothermal Heat Pump Consortium, Society for Science and the Public.