 | Adams County Health Department |
| | Akron City Health Department |
| | Allen County Combined Health District |
| | Alliance City Health Department |
| | Ashland County Health Department |
| | Ashland City Health District |
| | Ashtabula County Health Department |
| | Ashtabula City Health Department |
| | Athens County Health Department |
| | Auglaize County Health Department |
| | Barberton City Health Department |
| | Belmont County General Health District |
| | Belpre City Health Department |
| | Brown County Health Department |
| | Butler County Health Department |
| | Canton City Health Department |
| | Carroll County General Health District |
| | Champaign Health District |
| | Cincinnati City Health Department |
| | Clark County Combined Health District |
| | Clermont County Health District |
| | Cleveland Department of Public Health |
| | Clinton County Health Department |
| | Columbiana County General Health District |
| | Columbus Public Health |
| | Conneaut City Health Department |
| | Coshocton County General Health District |
| | Coshocton City Health Department |
| | Crawford County General Health District |
| | Cuyahoga County Health District |
| | Darke County General Health District |
| | Defiance County General Health District |
| | Delaware General Health District |
| | East Liverpool City Health Department |
| | East Palestine City Health Department |
| | Elyria City Health Department |
| | Erie County General Health District |
| | Fairfield County Department of Health |
| | Fayette County Combined Health District |
| | Findlay City Health Department |
| | Franklin County Board of Health |
| | Fulton County Health Department |
| | Galion City Health Department |
| | Gallia County General Health District |
| | Geauga County General Health District |
| | Girard City Health Department |
| | Greene County Combined Health District |
| | Cambridge Guernsey County Health Department |
| | Hamilton County General Health District |
| | City of Hamilton Health Department |
| | Hancock County Health Department |
| | Kenton-Hardin Local Health District |
| | Harrison County Health Department |
| | Henry County General Health District |
| | Highland County Health Department |
| | Hocking County Health District |
| | Holmes County General Health District |
| | Huron County General Health District |
| | Ironton City Health Department |
| | Jackson County Health Department |
| | Jefferson County General Health District |
| | Kent City Health Department |
| | Knox County Health Department |
| | Lake County General Health District |
| | Lawrence County Health Department |
| | Licking County Health Department |
| | Logan County Health District |
| | Lorain County General Health District |
| | Lorain City Health Department |
| | Toledo Lucas County Health Department |
| | Madison County-London City Health District |
| | Mahoning County General Health District |
| | Marietta City Health Department |
| | Marion County General Health District |
| | Marion City Health Department |
| | Massillon City Health Department |
| | Medina County Comb General Hlth Dist |
| | Meigs County Health Department |
| | Mercer County Health Department |
| | Miami County Health District |
| | Middletown City Health District |
| | Monroe County Health Department |
| | Public Health - Dayton and Montgomery County |
| | Morgan County General Health District |
| | Morrow County Health Department |
| | Zanesville-Muskingum County Hlth Dept |
| | New Philadelphia City Health District |
| | Niles City Health Department |
| | Noble County Health Department |
| | Norwood City Health Department |
| | Oakwood City Health Department |
| | Ottawa County Health Department |
| | Paulding County Health Department |
| | Perry County General Health District |
| | Pickaway County General Health District |
| | Pike County General Health District |
| | Piqua City Health Department |
| | Portage County Combined General Health District |
| | Portsmouth City Health Department |
| | Preble County General Health District |
| | Putnam County Health Department |
| | Ravenna City Health Department |
| | Mansfield Ontario Richland County Health Department |
| | Ross County Health District |
| | Sandusky County Combined General Health District |
| | Scioto County Health Department |
| | Seneca County General Health District |
| | Shaker Heights City Health Department |
| | Sharonville City Health Department |
| | Sidney Shelby County Health Department |
| | Shelby City Health Department |
| | Springdale City Health Department |
| | St Bernard City Health Department |
| | Stark County Combined General Health District |
| | Steubenville City Health Department |
| | Struthers City Board of Health |
| | Summit County Health District |
| | Trumbull County Health Department |
| | Tuscarawas County General Health District |
| | Union County Health Department |
| | Van Wert County General Health District |
| | Vinton County Health Department |
| | Warren County Combined Health District |
| | Warren City Health Department |
| | Washington County Health Department |
| | Wayne County Health Department |
| | Williams County Combined Health District |
| | Wood County Combined General Health District |
| | Wyandot County General Health District |
| | Youngstown City Health Department |