Pet Quarters
- Local business offering pet supplies and grooming services. Also encourages people to adopt rescue dogs and cats.
- http://www.karnscommunity.com/PageAds/PetQuarters.htm

Karns Realty
- Real estate agency provides roster of agents, community information, property search links, and other resources.
- http://www.karnsrealty.net/

Karns Business Association
- Organized to promote healthy economic development in the community. Includes member directory and meeting information.
- http://www.karnsbusiness.com/

KarnsCommunity.com
- History of the area (formerly called Beaver Ridge or Byington), announcements of upcoming events, directories of schools, churches, and eateries, and other community information.
- http://www.karnscommunity.com/

Karns Volunteer Fire Department
- Serves over 30,000 residents in the Karns, Ball Camp, Hardin Valley, and Solway communities. General information, photos, capabilities, qualifications for new volunteers, fire safety education, fundraising reports, and souvenirs for sale.
- http://www.kvfd.com/