Department of the Interior

• Bureau of Indian Affairs
  
• Bureau of Land Management
  
• Bureau of Reclamation
  
• Minerals Management Service
  
• National Park Service
  
• Office of Insular Affairs
  
• Office of the Secretary (Special Trustee for American Indians)
  
• Office of Surface Mining Reclamation and Enforcement
  
• U.S. Fish and Wildlife Service
  
• U.S. Geological Survey (including Biological Resources Division)

• National Oceanic and Atmospheric Administration (National Marine Fisheries Service; National Ocean Service; Office of Ocean and Atmospheric Research; NOAA Corps of Commissioned Officers)

• U.S. Forest Service
  
• National Resources Conservation Service (Natural Resources Inventory; Rural Abandoned Mine Program; Wetlands Reserve Program; Colorado River Basin Salinity Control Program)
  

• Indian Health Service
  

• Department of the Army (certain habitat restoration programs under the Army Corps of Engineers; Sikes Act wildlife management on military lands; interactions with marine mammals)
  
• Department of the Navy (Oceanographer of the Navy)
  

• Power Administrations (Alaska, Bonneville, Southeastern, Southwestern, Western)
  

• Assistant Secretary for Oceans and International Environmental and Scientific Affairs
  
• Office of Australia, New Zealand, and Pacific Island Affairs (insular areas)
  
• Office of Compact Negotiations, Bureau of East Asian and Pacific Affairs
  
  

• Office of Water (marine and estuarine issues; regulations affecting fish and wildlife)
  
• Office of Research and Development (marine and estuarine research, research affecting fish and wildlife)
  
  

• Council on Environmental Quality
  
• Office of Science and Technology Policy
  
• Office of the U.S. Trade Representative (trade in fish, wildlife)
  
  

• Joint Pipeline Office (Trans-Alaska Pipeline)
  
• National Science Foundation
  
• Fisheries and wildlife; Antarctica; oceanographic research
  
  

• Advisory Council on Historic Preservation
  
• America's Agricultural Heritage Partnership
  
• American Battle Monuments Commission
  
• Endangered Species Commission
  
• Fish and Wildlife Foundation
  
• Indian Arts and Crafts Board
  
• International Boundary Waters Commission
  
• International Joint Commission (U.S. and Canada)
  
• Marine Mammal Commission
  
• Migratory Bird Conservation Commission
  
• National Capitol Parks Commission
  
• National Forest Foundation
  
• National Park Foundation
  
• National Trust for Historic Preservation
  
• Northwest Power Planning Council
  
• Office of Navajo and Hopi Indian Relocation
  
• Presidio Trust
  
• U.S. Holocaust Memorial