IT services in Crystal Lake, IL: 2026 report
2,034 ranked entriesUpdated 7 trade lists
The 7 service lists for Crystal Lake, IL hold 2,034 ranked entries. Managed IT service providers have the most, with 523.
Key numbers for Crystal Lake
Shares use ranked businesses as their base. An IT firm in two service lists counts in both.
2,034
ranked entries by IFR Score, in 7 service lists
3,963
service listings serving the city; an IT firm counts once per service
5.0
median of the services’ median Google ratings
IT services in Crystal Lake, by ranked IT firms
| Service | Ranked | Serving the city | Median rating | Median reviews |
|---|---|---|---|---|
| Managed IT service providers | 523 | 1,086 | 5.0 | 12 |
| IT consultants | 461 | 1,028 | 5.0 | 12 |
| Cybersecurity companies | 371 | 691 | 5.0 | 16 |
| Business phone system providers | 226 | 383 | 4.8 | 16 |
| Network cabling and installation companies | 183 | 320 | 5.0 | 13 |
| Data recovery services | 177 | 273 | 4.9 | 25 |
| Computer repair shops | 93 | 182 | 4.9 | 20 |
Method and basis
- Serving counts are active, de-duplicated IT firms within each service’s service radius of Crystal Lake, 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 Crystal Lake, IL: 2026 Report”, https://www.itfirmsranked.com/reports/crystal-lake-il-it-services-2026, data as of November 9, 2026.
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