The National Digital Elevation Program (NDEP) was established to promote the exchange of accurate digital land elevation data among government, private, and non-profit sectors and the academic community and to establish standards and guidance that will benefit all users.

Who is the NDEP?

		U.S. Geological Survey (USGS)
		National Geospatial–Intelligence Agency (NGA)
		Natural Resources Conservation Service (NRCS)
		U.S. Army Corps of Engineers (USACE)
		National Oceanic and Atmospheric Administration (NOAA)
		Bureau of Land Management (BLM)
		National States Geographic Information Council (NSGIC)
		National Aeronautics and Space Administration (NASA)
		U.S. Department of Agriculture, Forest Service (USDA-FS)
		Federal Emergency Management Agency (FEMA)
		U.S. Census Bureau
		U.S. Fish and Wildlife Service