Alfa Romeo DX Group
- The alfa romeo international dx group is an international 11 meter ssb dx group. Promoting peace and understanding throughout the world breaking down all barriers between nations via ssb communications.
British Amateur Radio Teledata Group
- BARTG caters for the radio amateur who is interested in data communications. All interests are covered from mechanical teleprinters through to Packet, FAX, AMTOR, PACTOR, CLOVER and PSK31. One of the oldest data communication enthusiast groups in the world.
Harger Lightning Protection, Inc.
- Harger Lightning Protection is a full line supplier of lightning protection and grounding equipment, servicing the lightning protection, communications and electrical industries.