U.S.A. State Government and Local Agencies
U.S. Private Sector
- Maryland State Highway Administration
- Maryland Motor Vehicle Administration
- Maryland Transit Administration
- Maryland State Aviation Administration
- District of Columbia Department of Public Works
- Prince George’s County Department of Public Works
- Washington D.C. Metropolitan Transit Authority
- Southeastern Pennsylvania Transportation Authority
- City of Baltimore Department of Public Works
- City of Baltimore Jail Board
- DC Department of Environmental Services
- Office of Central Services, Prince George’s County
- Maryland Stadium Authority
- Pennsylvania Department of General Services
- Alleghany County, Department of Aviation
- Montgomery County, Department of Facilities and Services
- Washington Suburban Sanitary Commission
- MD National Parks and Planning Commission City of Rockville
- Canal Place Preservation and Development Authority
- Washington DC Housing Authority
- Housing Authority of Prince George’s County
- Rockville Housing Authority
- Prince George’s County Department of Housing & Community Development
U.S. Private Sector
- Harristown Corporation
- Douglas Memorial Church VESTA Inc.
- Potomac Electric Power Company
- Verizon
- New Jersey Transit Bus, Inc.
- Fulton Baptist Church
- Eight Park Inc.
- Parks Sausage Company
- Independent Cement Company
- Hindu Temple Committee
- St. Philips Episcopal Church
- Vaishnav Samaj of North America
- Douglas Development Corporation
- New Jersey Transit Bus Inc.
- Com-Site International
- Rite Aid Corporation
- Parsons Corporation
- Gaylord Entertainment
- Bechtel Corporation
- Peterson Companies
Educational Institutions
International Donor Agencies
International Governments
U.S.A Federal Agencies
- University of Maryland
- George Mason University
- Morgan State University
- Bloomsburg University
- City of Baltimore Public Schools
- Pennsylvania State System of Higher Education
International Donor Agencies
- World Bank (WB)
- Asian Development Bank (ADB)
- U.S. Agency for International Development (USAID)
- Inter-American Development Bank (IDB)
- African Development Bank (AfDB)
- International Monetary Fund (IMF)
- UN Development Programme (UNDP)
- UN High Commission for Refugees (UNHCR)
- International Fund for Agricultural Development (IFAD)
- Department for International Development, UK (DFID)
- Swedish International Development Agency (SIDA)
- Kreditanstalt für Wiederaufbau. (KfW)
International Governments
- Government of Zambia
- National Highways Authority of India
U.S.A Federal Agencies
- Federal Highway Administration (FHWA)
- Department of State
- Federal Emergency Management Agency (FEMA)
- Department of Agriculture (USDA)
- Department of the Interior (DOI)
- Department of Energy (DOE)
- Trade & Development Agency (USTDA)
- Environmental Protection Agency (EPA)
- Federal Aviation Administration (FAA)
- Mass Transit Administration
- Army Corps of Engineers
- US Information Agency
- National Aeronautics and Space Administrations (NASA)
- U.S. General Services Administration, Regin III (GSA)
- U.S. General Services Administration, NCR
- U.S. Army Garrison, Ft. Belvoir, VA
- U.S. Department of Defense (Army, Nave, Airforce)
- U.S. Naval Research Laboratory (NRL)
- Federal Deposit Insurance Corporation (FDIC)



