All Quest Diagnostics Locations - Ohio
- Akron
- Alliance
- Ashland
- Austintown
- Beachwood
- Beavercreek
- Blanchester
- Blue Ash
- Boardman
- Canfield
- Canton
- Centerville
- Chardon
- Cincinnati
- Cleveland
- Columbiana
- Columbus
- Conneaut
- Coshocton
- Cuyahoga Falls
- Dayton
- Delphos
- Dublin
- East Liverpool
- East Palestine
- Elyria
- Englewood
- Fairborn
- Fairfield
- Fairview Park
- Hamilton
- Hillsboro
- Holland
- Huber Heights
- Hudson
- Kettering
- Lancaster
- Lebanon
- Lima
- London
- Mansfield
- Marion
- Mason
- Maumee
- Mentor
- Middleburg Heights
- Middletown
- Moraine
- Mount Vernon
- Newark
- Oregon
- Oxford
- Parma
- Piqua
- Poland
- Ravenna
- Salem
- Sandusky
- Solon
- South Russell
- Springboro
- Springdale
- Springfield
- Tallmadge
- Tiffin
- Toledo
- Troy
- Twinsburg
- Uniontown
- Urbana
- Vandalia
- Warren
- West Chester
- Westerville
- Westlake
- Worthington
- Xenia
- Youngstown
- Zanesville