- Adams County EMS (West Union, OH)
- Athens County EMS (Athens County, OH)
- Bradnor EMS (Bradnor, OH)
- City of Cleveland EMS (Cuyahoga County, OH)
- Columbiana EMS (Columbiana County, OH)
- Coshocton County EMS (Coshocton County, OH)
- Delaware County EMS (Delaware County, OH)
- Fredericktown EMS (Fredericktown, OH)
- Henry County South Joint Ambulance District (Hamler, OH)
- Hocking County EMS (Hocking County, OH)
- Indian Lake EMS (Lakeview, OH)
- Jackson County EMS (Jackson County, OH)
- Jackson-Forest Ambulance District (Forest, OH)
- Lawrence County EMS (Lawrence County, OH)
- Madison County EMD (Madison County, OH)
- Medina Life Support Team (Medina, OH)
- Meigs County EMS (Meigs County, OH)
- Mercer County EMS (Mercer County, OH)
- Mid-County EMS (Oak Harbor, OH)
- Northwest Ambulance District (Geneva, OH)
- Paulding EMS (Paulding, OH)
- PMP Joint Ambulance District (McComb, OH)
- Put-in-Bay EMS (Put-In-Bay, OH)
- Putnam County EMS (Putnam County, OH)
- Sandusky County EMS (Sandusky County, OH)
- Seneca County EMS (Seneca County, OH)
- South Central Ambulance District (Rome, OH)
- TEMS Joint Ambulance District (Toronto, OH)
- Tipp City EMS (Tipp City, OH)
- Tri-Village Rescue Services (New Madison, OH)
- Versailles EMS (Versailles, OH)
- Williams County EMS (Bryan, OH)