Fujian Quanzhou Quanshun Communication Technology Co., Ltd
- China based manufacturer of two-way radio battery packs and related accessories.
- http://www.qstx.com

Power-Time
- China based manufacturer of two way radio accessories. [Requires Flash plugin]
- http://www.2wayradioaccessories.com

NorComm Corporation
- Design and manufacturer of encoders, decoders, scramblers, encryption devices for data and voice signaling for two-way radios and wireless communications systems.
- http://www.norcommcorp.com/

RST Engineering
- Manufacture electronic kits for communication and aviation including audio selector panels, marker receivers, headsets, intercoms, and antennas. Product catalog, photographs, magazine articles and bookstore .
- http://www.rst-engr.com/

ChargeGuard, Incorporated
- Manufacture an automatic on/off swith for two way radios. Includes a listing of dealers and representatives .
- http://www.chargeguard.com/

Holsterguy.com
- Mounting accessories for two-way radios.
- http://www.holsterguy.com/