Top Managed IT Companies in Chicago

CSI Technical Services (CSI Tech)

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✓ Verified Provider ⭐ 4.7/5 Stars Est. 2000
Lake in the Hills, IL
10–49 employees
Founded 2000
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CSI Technical Services (CSI Tech) is a managed IT services provider based in Lake in the Hills, IL, operating since 2000. Across 51 verified Google reviews it averages 4.7 out of 5, a public track record you can weigh during diligence. It focuses on Managed IT Services, Cybersecurity, Cloud Services, Backup & Business Continuity. Compare it against other Chicago managed IT providers, then request a quote.

Vetted by the Best IT MSP editorial team · Last updated June 2026

About CSI Technical Services (CSI Tech)

CSI Technical Services (CSI Tech), based in Lake in the Hills, IL, has provided managed IT services since 2000, including help desk, NOC/SOC, cloud, and cybersecurity monitoring for local government, manufacturing, and finance clients.

Services Offered

🖥️
Managed IT Services
🔒
Cybersecurity
☁️
Cloud Services
💾
Backup & Business Continuity
🛟
IT Help Desk & End-User Support
🌐
Network Management

Industries Served

🏭 Manufacturing
💰 Financial Services

Why Choose CSI Technical Services (CSI Tech)

4.7/5 From 51 Google Reviews

With 51 reviews averaging 4.7, CSI Technical Services (CSI Tech) has a checkable public track record rather than marketing claims alone.

📍

Based in Lake in the Hills

CSI Technical Services (CSI Tech) is headquartered in Lake in the Hills, IL, so Lake in the Hills businesses get a local team for on-site work instead of a distant call center.

25 years in business

25 years in business

99% client retention

99% client retention

Location

Lake in the Hills, IL

Certifications & Compliance

Microsoft
VMware
Lenovo

Frequently Asked Questions

What do CSI Technical Services (CSI Tech) reviews say?

Across 51 verified Google reviews, CSI Technical Services (CSI Tech) averages 4.7 out of 5. Weigh that public track record alongside a direct quote.

Which IT services does CSI Technical Services (CSI Tech) provide?

CSI Technical Services (CSI Tech) delivers Managed IT Services, Cybersecurity, Cloud Services, Backup & Business Continuity, IT Help Desk & End-User Support, Network Management to organizations across Chicago, IL.

What area does CSI Technical Services (CSI Tech) serve?

CSI Technical Services (CSI Tech) is based in Lake in the Hills, IL and supports businesses across Chicago and the greater metro area.

When did CSI Technical Services (CSI Tech) start?

CSI Technical Services (CSI Tech) has been operating since 2000.

Is CSI Technical Services (CSI Tech) certified?

CSI Technical Services (CSI Tech) carries Microsoft, VMware, Lenovo.