The group's principal activity is the operation of local exchange telephone companies. The business consists of connecting customers to the telephone network, providing switched service and dedicated private lines, connecting customers to long distance service providers and other services. The company also provides cable television services, Internet access services, long distance service and installs and maintains telephone systems to the areas surrounding its exchange service territory in southern Minnesota and northern Iowa. Nortel is the supplier of communications equipment to the group's incumbent local exchange carrier and competitive local exchange carrier central office switches. The digital loop carrier equipment is supplied by next level communications. The group acquired additional interest in midwest wireless holdings l.l.c.