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
   http://www.empirecomm.net/

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

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

Vital Communications (Scotland) Ltd.
   Installation, service and hire of two-way mobile and handheld radio equipment as well as antenna installation and a consultation service.
   http://www.vitalcomms.com