Telecom companies in California
8 telecom companies are indexed in California. Each entry below is built from public sources and links to its filings and identifiers. This is a factual directory, not a ranking.
| Company | Industry | Type | Ticker | Revenue (dated) |
|---|---|---|---|---|
| Cisco Systems | Telecom | public | CSCO | $57B (FY 2025) |
| DirecTV | Telecom | subsidiary | — | — |
| Qualcomm | Technology, Telecom | public | — | — |
| Verisign | Technology, Telecom | public | — | — |
| Leap Wireless | Telecom | public | — | — |
| Covad | Telecom | private | — | — |
| Cricket Wireless | Telecom | subsidiary | — | — |
| Boost Mobile | Telecom | private | — | — |
See all California companies or alltelecom companies.