IT services in Tustin, CA: 2026 report
3,477 ranked entriesUpdated 7 trade lists
The 7 service lists for Tustin, CA hold 3,477 ranked entries. Managed IT service providers have the most, with 834.
Key numbers for Tustin
Shares use ranked businesses as their base. An IT firm in two service lists counts in both.
3,477
ranked entries by IFR Score, in 7 service lists
7,036
service listings serving the city; an IT firm counts once per service
5.0
median of the services’ median Google ratings
IT services in Tustin, by ranked IT firms
| Service | Ranked | Serving the city | Median rating | Median reviews |
|---|---|---|---|---|
| Managed IT service providers | 834 | 1,745 | 5.0 | 13 |
| IT consultants | 620 | 1,428 | 5.0 | 12 |
| Cybersecurity companies | 564 | 1,141 | 5.0 | 14 |
| Data recovery services | 403 | 574 | 4.9 | 29 |
| Network cabling and installation companies | 355 | 659 | 5.0 | 15 |
| Business phone system providers | 351 | 685 | 4.9 | 12 |
| Computer repair shops | 350 | 804 | 4.9 | 19 |
Method and basis
- Serving counts are active, de-duplicated IT firms within each service’s service radius of Tustin, 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 Tustin, CA: 2026 Report”, https://www.itfirmsranked.com/reports/tustin-ca-it-services-2026, data as of November 9, 2026.
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