FSDO offices serving Ohio

Allen County, Athens County, Auglaize County, Belmont County, Champaign County, Coshocton County, Defiance County, Delaware County, Fairfield County, Franklin County, Guernsey County, Hancock County, Hardin County, Hocking County, Knox County, Licking County, Logan County, Madison County, Marion County, Mercer County, Monroe County, Morgan County, Morrow County, Muskingum County, Noble County, Paulding County, Perry County, Pickaway County, Putnam County, Shelby County, Union County, Van Wert County, Washington County, Williams County

Ashland County, Ashtabula County, Carroll County, Columbiana County, Crawford County, Cuyahoga County, Erie County, Fulton County, Geauga County, Harrison County, Henry County, Holmes County, Huron County, Jefferson County, Lake County, Lorain County, Lucas County, Mahoning County, Medina County, Ottawa County, Portage County, Richland County, Sandusky County, Seneca County, Stark County, Summit County, Trumbull County, Tuscarawas County, Wayne County, Wood County, Wyandot County

Adams County, Brown County, Butler County, Clark County, Clermont County, Clinton County, Darke County, Fayette County, Gallia County, Greene County, Hamilton County, Highland County, Jackson County, Lawrence County, Meigs County, Miami County, Montgomery County, Pike County, Preble County, Ross County, Scioto County, Vinton County, Warren County