Federal Agencies in OK Federal Agencies operating within OK. Federal Agencies in OK Bureau of ATF Oklahoma City, Oklahoma County Bureau of ATF Tulsa, Tulsa County Federal Bureau of Investigation Oklahoma City, Oklahoma County Federal Emergency Mgmt Agency Oklahoma City, Oklahoma County Homeland Security Investigations (HSI) Oklahoma City, Oklahoma County Homeland Security Investigations (HSI) Tulsa, Tulsa County US Marshals Service Muskogee, Muskogee County US Marshals Service Oklahoma City, Oklahoma County US Marshals Service Tulsa, Tulsa County US Secret Service Oklahoma City, Oklahoma County US Secret Service Tulsa, Tulsa County
