Associations:
NRTC National Rural Telecommunications Cooperative
NTCA The National Telephone Cooperative Association
Public Utility Commission of Texas
RTG Rural Telecommunications Group
TSTCI Texas Statewide Telephone Cooperative, Inc.
TTA Texas Telephone Association
USTA United States Telecom Association
Companies:
ACS Affiliated Computer Services
Colorado Valley Telephone Cooperative
Eastex Telephone Cooperative, Inc.
Northeast Florida Telephone Company