Top Managed IT Companies in Baltimore

ICSI

We Manage Your IT. You Manage Your Business.

✓ Verified Provider ⭐ 5.0/5 Stars Est. 1987
Annapolis, MD
10–49 employees
Founded 1987
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ICSI is a managed IT services provider based in Annapolis, MD, operating since 1987. Across 13 verified Google reviews it averages 5.0 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 Baltimore managed IT providers, then request a quote.

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

About ICSI

ICSI, established in 1987 and headquartered in Annapolis, Maryland, is a nationwide MSP and MSSP offering managed IT and security services including network security, 24/7 monitoring, VoIP, and disaster recovery for industries such as healthcare, logistics, and financial services.

Services Offered

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Managed IT Services
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Cybersecurity
☁️
Cloud Services
💾
Backup & Business Continuity
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Network Management
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VoIP & Business Phone

Industries Served

🚚 Logistics & Transportation
🏥 Healthcare
🏗️ Construction
🤲 Nonprofit
💰 Financial Services

Why Choose ICSI

5.0/5 From 13 Google Reviews

With 13 reviews averaging 5.0, ICSI has a checkable public track record rather than marketing claims alone.

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Based in Annapolis

ICSI is headquartered in Annapolis, MD, so Annapolis businesses get a local team for on-site work instead of a distant call center.

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Nationwide MSP/MSSP since 1987

Nationwide MSP/MSSP since 1987

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Recognized MSP 501 / CRN MSP500 winner

Recognized MSP 501 / CRN MSP500 winner

Location

Annapolis, MD

Certifications & Compliance

Nationwide MSP/MSSP since 1987
Recognized MSP 501 / CRN MSP500 winner
Clutch Verified Top Rated MSP

Frequently Asked Questions

What do ICSI reviews say?

Across 13 verified Google reviews, ICSI averages 5.0 out of 5. Weigh that public track record alongside a direct quote.

Which IT services does ICSI provide?

ICSI delivers Managed IT Services, Cybersecurity, Cloud Services, Backup & Business Continuity, Network Management, VoIP & Business Phone to organizations across Baltimore, MD.

What area does ICSI serve?

ICSI is based in Annapolis, MD and supports businesses across Baltimore and the greater metro area.

When did ICSI start?

ICSI has been operating since 1987.

Is ICSI certified?

ICSI carries Nationwide MSP/MSSP since 1987, Recognized MSP 501 / CRN MSP500 winner, Clutch Verified Top Rated MSP.