- Advanced Telemetry Systems Inc
- AEC Electric
- Amtech Corp
- Columbia Electronics Intl Inc
- G-O-Metric Inc
- Hamtronics Inc
- Honeywell Aerospace
- Kelley Communications
- Kelley Communications
- Mimix Broadband Inc
- New Eagle Communications Inc
- North Shore Radio
- QEI Corp
- Radio Works Inc
- Rothenbuhler Engineering Co
- Smartlink Radio Networks Inc
- Technology For Communications
- Telemetry Technologies Inc
- Unadilla
- WJ Communications Inc
