Hillside Community Corrections Center
Howard McLeod Correctional Center (OK DOC)
https://oklahoma.gov/doc/facilities.html
Hollis Work Center
Hobart Work Center
Idabel Work Center
Hughes County Jail
Jackie Brannon Correctional Center (OK DOC)
https://oklahoma.gov/doc/facilities.html
Iowa Tribe of Oklahoma Jail
Jefferson County Jail
James Crabtree Correctional Center (OK DOC)
https://oklahoma.gov/doc/facilities.html