- ARRL (Amateur Radio Relay League)
The ARRL is the national membership association for all Amateur Radio operators. The League works to promote interest in Amateur Radio, encourage good conduct among its members, and represent operators in legislative matters.
- Cactus Intertie
Armadillo is a member of the Cactus Intertie,
- Intertie Inc.
Intertie Inc. members provide a number of systems in South and West Texas which are part of the Cactus-Intertie System.