K9JX Jacksonville Amateur Radio Society
- A not-for-profit amateur radio Ham Radio organization that provides support for its members in all aspects of Amateur Radio, located in west central Illinois and services the Jacksonville, South Jacksonville and surrounding areas, in Morgan county.
K7JAC Jackson Hole Amateur Radio Club
- The Jackson Hole Area Amateur Radio Club is based in Jackson Hole, Wyoming.
The Club has members throughout Jackson Hole and includes ham radio operators in the Star Valley areas of Wyoming and the Teton Valley in Idaho.
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.
- pTrack is a satellite tracking program for the Windows CE / Pocket PC palmtop computer. It was designed with simplicity in mind and does not support all the features found in larger satellite tracking packages.