East Central Ohio Mensa
- Presents calendar of events, officer list, scholarship information, and contact details.
- http://www.ecom.us.mensa.org/

South Eastern Narcotics Team Task Force
- Serving agencies in Guernsey, Tuscarawas, Monroe and Harrison counties in eastern Ohio.
- http://www.sent.narcotics.com/

Carroll-Columbiana-Harrison Solid Waste District
- Helps manage the waste produced in the district through collection, recycling and educational programs..
- http://web.raex.com/~cchswd/

Eastern Ohio Development Alliance (EODA)
- An independent, non-profit organization created to promote economic growth in the Eastern Ohio region through regional cooperation.
- http://www.eoda.org/