IT services in Rosemont, CA: 2026 report
830 ranked entriesUpdated 7 trade lists
The 7 service lists for Rosemont, CA hold 830 ranked entries. Cybersecurity companies have the most, with 177.
Key numbers for Rosemont
Shares use ranked businesses as their base. An IT firm in two service lists counts in both.
830
ranked entries by IFR Score, in 7 service lists
1,612
service listings serving the city; an IT firm counts once per service
4.9
median of the services’ median Google ratings
IT services in Rosemont, by ranked IT firms
| Service | Ranked | Serving the city | Median rating | Median reviews |
|---|---|---|---|---|
| Cybersecurity companies | 177 | 366 | 5.0 | 13 |
| Managed IT service providers | 173 | 341 | 5.0 | 10 |
| IT consultants | 143 | 292 | 4.9 | 10 |
| Computer repair shops | 120 | 258 | 4.9 | 19 |
| Business phone system providers | 79 | 135 | 4.8 | 12 |
| Network cabling and installation companies | 70 | 131 | 5.0 | 9 |
| Data recovery services | 68 | 89 | 4.9 | 28 |
Method and basis
- Serving counts are active, de-duplicated IT firms within each service’s service radius of Rosemont, as of November 9, 2026.
- Ranked IT firms have a confident service match and 3 or more Google reviews, or a claimed profile.
- Median rating, median reviews and the shares are measured over ranked businesses.
- Figures are recalculated with each weekly data update. This page shows the latest figures for the year in its title.
Cite this report: ITFirmsRanked, “IT Services in Rosemont, CA: 2026 Report”, https://www.itfirmsranked.com/reports/rosemont-ca-it-services-2026, data as of November 9, 2026.
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