Law Enforcement Agencies in Hull Mill, TN TN › Greene County Agencies serving the city of Hull Mill in TN. Agency Types in Hull Mill Coroners 2 agencies County Jails 1 agencies National Park 1 agencies Parole Probation 1 agencies Probation Pretrial 1 agencies Sheriff 1 agencies All Agencies in Hull Mill, TN Andrew Johnson Natl Historic Site Greene County Cocke County Medical Examiner Office Greene County Greene & Hawkins County Greene County Greene County Health Department Greene County Greene County Jail Greene County Greene County Sheriffs Department Greene County US Probation & Pretrial Services Office Greene County