Law Enforcement Agencies in Olympia, SC SC › Richland County Agencies serving the city of Olympia in SC. Agency Types in Olympia Federal 4 agencies Municipal Police 1 agencies Probation Pretrial 1 agencies State Police 1 agencies All Agencies in Olympia, SC Bureau of ATF Richland County Columbia Police Department Richland County Homeland Security Investigations (HSI) Richland County Internal Revenue Service Richland County South Carolina State Hwy Patrol Richland County US Marshals Service Richland County US Probation & Pretrial Services Office Richland County
