- Tac Log is a free input format log book for VHF/UHF/SHF contests. Where most other programs dictate the order and format of the input data during contesting, TACLog gives you freedom of operation, both on the air and on your computer. EDI format and Region 1 rules compliant.
- Valcom Guelph specializes in the design and manufacturing of a full range of MF Beacon 100 KHz - 600 KHz, AM Broadcasting 540 - 1700 KHz, HF 1.8 - 30 MHz, VHF 30 - 300 MHz and UHF 300 - 1,200 MHz and SHF up to 6 GHz antennas based in Canada
- Antennas for Broadcasters, PSI manufactures a complete range of slot antennas for UHF television broadcasting
- German antenna manufacturer, produces VHF and UHF antennas for amateur radio use
- US Antenna manufacturer offering base and mobile antennas for 2 meter, 1.25 meter and 70 cm Amateur Radio GMRS and MURS Citizens Band Radio VHF and UHF Business Band Radio HF, VHF and UHF Scanning