- Abracon Corporation
- Crystal oscillators, clock distribition/timing ic's, microprocessor crystals, ceramic resonators, saw filters, saw resonators, and magnetic components,Electronic Component.
- Address:30332 Esperanza
- Suntsu Frequency Control Inc.
- crystals,oscillators,tcxo,vcxo,precision time modules,clock oscillators.
- Address:2 Southpointe, Suite 195, Lake Forest, USA
- Masterclock Inc
- GPS time synchronization products, time code and NTP products, oscillators, switching devices, amplifers, digital clock displays.
- Address:2484 W. Clay St.
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