Cherokee Agency:
- Eastern Band of Cherokee Indians
Choctaw Agency:
- Mississippi Band of Choctaw Indians
Eastern Regional Office:
- Catawba Indian Tribe
- Cayuga Nation
- Chickahominy Indian Tribe
- Chickahominy Indians - Eastern Division
- Chitimacha Tribe of Louisiana
- Coushatta Indian Tribe of Louisiana
- Houlton Band of Maliseet Indians
- Jena Band of Choctaw Indians
- Mashantucket Pequot Tribe
- Mashpee Wampanoag Tribe
- Miccosukee Tribe
- Mi'kmaq Nation (formerly the Aroostook Band of Micmacs)
- Mohegan Indian Tribe
- Monacan Indian Nation
- Nansemond Indian Tribe
- Narragansett Indian Tribe
- Oneida Indian Nation
- Onondaga Indian Nation
- Pamunkey Tribe of Virginia
- Passamaquoddy Tribe – Indian Township
- Passamaquoddy Tribe – Pleasant Point
- Penobscot Nation
- Poarch Band of Creek Indians
- Rappahannock Tribe, Inc.
- Saint Regis Mohawk Tribe
- Seneca Nation of Indians
- Shinnecock Indian Nation
- Upper Mattaponi Tribe
- Tonawanda Band of Seneca Indians
- Tunica/Biloxi Indians of Louisiana
- Tuscarora Nation
- Wampanoag Tribe of Gay Head (Aquinnah)
Seminole Agency:
- Seminole Tribe of Florida
