A
Telephone Communications, Except Radiotelephone
Internet Connectivity Services
Local Telephone Communications
Kalona Cooperative Telephone Co
Local and Long Distance Telephone Communications
Long Distance Telephone Service
Siouxland Communications Marke
Mci Communications Corporation
Proprietary Online Service Networks
Telephone Cable Service, Land or Submarine
Baldwin Nashville Telephone CO
Telephone Communications Broker
Telephone Communications Services
Telephone/Video Communications
Voice Messaging Equipment and Services
Avacent Communication Technologies