Department of the Interior

DOI is a workforce of over 70,000 strong serving throughout 2,400+ operating locations to fulfill ONE mission. In addition to Departmental Offices, DOI is comprised of 9 bureaus that work to accomplish our vast mission: to protect America’s natural resources and heritage, honor our cultures and tribal communities, and supply the energy to power our future.

These bureaus include:

• Bureau of Indian Affairs

• Bureau of Land Management

• Bureau of Ocean Energy Management

• Bureau of Safety and Environmental Enforcement

• Bureau of Reclamation

• National Park Service

• Office of Surface Mining Reclamation and Enforcement

• U.S. Fish and Wildlife Service

• U.S. Geological Survey