Chickasaw Agency: The Chickasaw Nation
Miami Agency: Eastern Shawnee Tribe of Oklahoma Miami Tribe of Oklahoma Modoc Nation Ottawa Tribe of Oklahoma Peoria Tribe of Indians of Oklahoma Quapaw Nation Seneca-Cayuga Nation Shawnee Tribe Wyandotte Nation
Okmulgee Agency: Alabama-Quassarte Tribal Town Kialegee Tribal Town Muscogee (Creek) Nation Thlopthlocco Tribal Town
Osage Agency: The Osage Nation
Talihina Agency: The Choctaw Nation of Oklahoma
Wewoka Agency: The Seminole Nation of Oklahoma