Cybersecurity Companies in Illinois: Ranked Lists by City (2026)
269 cities with a ranked listUpdated 0 paid placements in any rankingHow we rank →
We rank cybersecurity companies in 269 Illinois cities, 74,074 city rankings in all. The largest lists are Barrington (376), Deerfield (376) and Algonquin (375).
Cybersecurity companies by city in Illinois
Every Illinois city with a ranked list of cybersecurity companies, largest first. Each list ranks IT firms within 75 mi of the city.
Ranked by IFR Score from public data. Sponsored placements are labelled and never change the order.
Highest IFR Scores among Illinois cybersecurity companies
Each score is computed within its own city list, so use the city pages to compare businesses. Shown for orientation, not as a state ranking.
Ranked by IFR Score from public data. Sponsored placements are labelled and never change the order.
| # | IT firm | IFR Score | City list | Google rating |
|---|---|---|---|---|
| 1 | Empowering Technology Solutions of Bloomington, IL | 65 | #1 in Bloomington | 5.0★ (31) |
| 2 | Ti2 Agency, Inc (Technical Investigation and Intelligence) TSCM | 65 | #1 in Freeport | 4.9★ (46) |
| 3 | Fulton May Solutions | 63 | #1 in Downers Grove | 5.0★ (88) |
| 4 | ReachOut Digital Intelligence | 63 | #1 in Mokena | 4.8★ (23) |
| 5 | Handled IT Partners | 63 | #1 in Chicago | 4.9★ (21) |
| 6 | Evolve Security | 63 | #3 in Chicago | 4.8★ (132) |
| 7 | The Isidore Group | 63 | #2 in Chicago | 5.0★ (19) |
| 8 | Media Moon, LLC. | 63 | #1 in Hoffman Estates | 5.0★ (32) |
| 9 | Trusted IT | 62 | #1 in Champaign | 5.0★ (290) |
| 10 | Winsor Consulting Group | 61 | #1 in Rock Island | 5.0★ (24) |