HickoryTech
- Provides telephone service and Internet access in south central Minnesota and parts of Iowa, wireless service in south central Minnesota and around the edges of the Twin Cities.
- http://www.hickorytech.com/

Minnesota Telecom Alliance
- Nonprofit professional organization represents the interests of telecommunications companies in Minnesota. Formerly the Minnesota Telephone Association.
- http://www.mnta.org/

Midwest Information Systems
- Telecommunications company supplying telephone service, local Internet access, and cable TV in Douglas, Otter Tail, and Todd Counties. Description of services, coverage area, contact information.
- http://www.midwestinfo.com/

Hector Communications Corporation
- Independent telecommunications carrier provides telephone services for several local exchanges, from the Arrowhead to south central Minnesota. Is also a cable provider in southeast Minnesota. Services, local telephone companies.
- http://www.hectorcom.com/index.html