Martlesham DX and Contest Group
- The Martlesham DX & CG was founded off the back of a group of keen UK contesters who wanted to do a serious effort in CQWW contests - WPX and CQWW SSB.
G0KPW - M6T - M7T - M8T
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.
- AMSAT is a worldwide group of Amateur Radio Operators who share a common interest in building, launching and communicating with each other through non-commercial Amateur Radio satellites.