| Air Radio Ltd: Mobile voice and data communications for airlines, airports and ground operation companies in mission critical environments. |
| Empire Communications: On the jobsite in San Rafael or in the Sonoma workplace, professional 2-way radios provide instant communication with individuals or multiple groups. They operate on exclusive business frequencies, which helps limit congestion. Some solutions require FCC license. |
| Halcom Communications Ltd.: Provides mobile global communications equipment, satellite phones, worldwide paging, security monitoring, medical alarms, GRS radio, call centre and dispatch. |
| International Wireless Communication Expo: Annual convention for two-way radio manufacturers. Held in Las Vegas, Nevada. Includes exhibitor list and registration information. |
| Mobile Relay Associates: Specializes in the engineering, installation, maintenance and security of repeater systems and repeater sites, leasing of service and equipment sales and service. |
| RadioReference.com LLC: Provides reference information including news, local frequencies, and a wiki. |
| Two Way Radio Directory: A comprehensive directory of two way radio, mobile data, and other wireless communications resources. |
| Two Way Radios: Supply two way radios, walkie talkies and accessories. Nottinghamshire based. |
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