| 1. Air Radio Ltd |
| Mobile voice and data communications for airlines, airports and ground operation companies in mission critical environments. |
| http://www.air-radio.com |
| 2. 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. |
| http://www.empirecomm.net/ |
| 3. Halcom Communications Ltd. |
| Provides mobile global communications equipment, satellite phones, worldwide paging, security monitoring, medical alarms, GRS radio, call centre and dispatch. |
| http://www.halcom.ca |
| 4. International Wireless Communication Expo |
| Annual convention for two-way radio manufacturers. Held in Las Vegas, Nevada. Includes exhibitor list and registration information. |
| http://www.iwceexpo.com |
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| 5. 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. |
| http://mra.homestead.com/ |
| 6. RadioReference.com LLC |
| Provides reference information including news, local frequencies, and a wiki. |
| http://www.radioreference.com/ |
| 7. Two Way Radio Directory |
| A directory of two way radio, mobile data, and other wireless communications resources. |
| http://www.twowayradiodirectory.com/ |
| 8. Two Way Radios |
| Supply two way radios, walkie talkies and accessories. Nottinghamshire based. |
| http://www.twoway-radios.co.uk |
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