- Firestik Antenna Company
 - Phoenix - For CB, scanner, and amateur radio. - Hitechwireless
- Phoenix - Wireless communication products include StarTAC phones, TalkAbout 2-way radios, and Timex Data Link watches.
- Production & Satellite Services, Inc.
- Tempe - Production and satellite transmission company specialising in the transmission of domestic live-event programming.
- PangeaTech, Inc.
- Phoenix - Provides residential communities with telecommunication services including high-speed Internet access.
- InSyst, Inc
- Phoenix - Provider of satellite communications and network solutions.
- TSS Consulting, Ltd.
- Phoenix - Technical consulting and search service.
- Group IV Telecom Consulting
- Phoenix - Consulting, research and publishing firm specialising in strategic and operational matters for global telecommunications and utility companies.
- Pacific Communications
- Tempe - Installs and maintains pay telephones.
- Thunderbird Communications, Inc.
- Phoenix - Providing Motorola radio scada systems for use in water, wastewater, electric utilities, mining, etc.
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