Ashland County Chapter, OGS
Website: https://ashlandccogs.org/
Email: accogspresident@gmail.com
Crawford County Chapter, OGS
Website: https://crawfordcountyohiogenealogy.org/
Email: rleppert@columbus.rr.com
Firelands Genealogical Society, OGS (Huron County)
Website: http://www.hcc-ogs.org
Email: huroncoogs@gmail.com
Holmes County Chapter, OGS
Website: https://usgenwebsites.org/OHHolmes/hcgs_index.html
Email: holmesogs@gmail.com
Knox County Chapter, OGS
Website: http://www.rootsweb.com/~ohkcgs
Email: KnoxGenealogy@yahoo.com
Lorain County Chapter, OGS
Website: https://loraincoogs.org/
Email: contact@loraincoogs.org
Medina County Genealogical Society
Website: https://medinacoogs.org/
Email: chapter@medinacoogs.org
Richland County Chapter, OGS
Website: http://www.rootsweb.com/~ohrichgs/
Email: RCGS44812@gmail.com
Richland-Shelby Chapter, OGS
Website: www.shelbyohiohistory.org
Email: shelbyohiohistory@gmail.com