Andrew Corporation
Manufacturer of Microwave Antennas, Transmission Lines and Waveguide, Pressurization Systems, TV Transmit Antennas, Rigid Line and Components

Battery Power Systems
DC battery and charger systems for site protection

Bird Electronics
Power meters, RF loads, and attenuators

Broadcast Video Systems
Filters, humbuckers, delay lines, closed caption decoder, remote video/audio analyzer

Circuit Research Labs
Audio processing, transmission encoding and noise reduction equipment for radio, television and professional audio

Coaxial Dynamics
Precision equipment for the measurement and termination of RF power.

Communications & Energy Corp.
Passive filtering products for Wireless Television, (MDS, GWCS, MMDS, ITSF, OFS) Cable  Television (CATV), Low-Power Television (LPTV), Cellular Telephone, and Personal

Cross Technologies
Satellite communications equipment and Tectan 450

JAMPRO
DTV & TV Antennas, FM Antennas, Combiners & Filters

Larcan/TTC
LPTV/FM transmitters and translators

Leaming
BTSC Stereo and SAP generators, Video modulators