- Abacus Computer Systems
 - Valencia - Offers sales, repair, network cabling, and technical support for individuals and businesses. - Oxxon International, Inc.
- West Covina - Repairs and sells computer monitors, terminals, TVs, and surveillance video systems.
- Premio
- City of Industry - designs, manufactures and custom-configures systems and workstations.
- Simplified Computer Systems & Training
- Upland - Providing computer solutions and training.
- Starbase Net Computer
- South Pasadena - Source for complete PC systems, parts, and service.
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