List of Agencies Federal Agencies and Organizations: Open Government in Action Recovery Accountability and Transparency Board US Environmental Protection Agency US Department of Transportation US Department of Housing and Urban Development US Department of Agriculture Centers for Epidemiology and Animal Health Economic Research Service US Department of Commerce Bureau of Economic Analysis National Centers for Coastal Ocean Science US Census Bureau US Department of Defense National Geospatial-Intelligence Agency National Ice Center US Army US Army Corps of Engineers US Navy US Department of Health and Human Services Indian Health Service US Department of Homeland Security Federal Emergency Management Agency Office of Immigration Statistics US Coast Guard US Department of Housing and Urban Development Office of the Chief Information Officer US Department of the Interior Bureau of Indian Affairs Bureau of Ocean Energy Management National Park Service Office of Surface Mining Reclamation and Enforcement US Geological Survey US Fish and Wildlife Service US Department of Transportation Federal Aviation Administration US Department of Veterans Affairs Planning Systems Support Group Independent federal organizations and agencies Library of Congress Smithsonian Institution US Agency for International Development US Department of State, Office of Weapons Removal and Abatement US Environmental Protection Agency US Senate.