- Chiltern DX Club - The UK DX Foundation
- Clipperton DX Club
- Danish DX Group
- European DX Foundation
- German DX Foundation
- International DX Association (INDEXA)
- Island Radio Expedition Foundation (IREF)
- LA DX Group (LADXG)
- Northern California DX Foundation
- Oceania Amateur Radio DX Group Incorporated
- OH DX Foundation (OHDXF)
- United Kingdom Six Meter Group (UKSMG)
- YASME