Top 40 Network Security Companies in Chicago
The Best of December 2025Looking for a top network security firm in Chicago?
Network security is critical for businesses. Protecting sensitive data and preserving trust are top priorities. Network security companies offer services like threat detection, encryption, assessments, and incident response planning. By partnering with these experts, businesses can fortify their defenses and maintain their reputation in the face of evolving cyber threats.
To assist you in your search for a partner, we’ve compiled this list of the top network security service providers in Chicago. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Chicago Network Security Providers
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31Undisclosed2 - 9 employeesItasca, ILCybernon is a small Itasca, Illinois-based Cybersecurity company. Their services include Cybersecurity and IT managed services.Read More
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32Undisclosed2 - 9 employeesAurora, ILUmbrella Security is a Cybersecurity and Building Security Services company. They are in Aurora, Illinois and have small team. They focus on Cybersecurity and Building Security Services.Read More
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33Undisclosed10 - 49 employeesSchaumburg, ILInterstate Technologies is a small Schaumburg, Illinois-based IT strategy consulting company. The team provides IT strategy consulting and IT staff augmentation.Read More
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34$5,000+10 - 49 employeesLibertyville, ILThinkNChange, a Back Office Outsourcing company, is in Libertyville, Illinois and Kingston, Jamaica. They focus on Back Office Outsourcing and Cybersecurity.Read More
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35$1,000+2 - 9 employeesGilberts, ILFox Secure IT, an IT strategy consulting company, was founded in 2008. The agency specializes in IT strategy consulting and cloud consulting & SI, and is small.Read More
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36Undisclosed10 - 49 employeesElgin, ILCybersecurity and IT managed services company Future Link IT is based in Elgin, Illinois. They provide Cybersecurity and IT managed services.Read More
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37Undisclosed10 - 49 employeesLockport, ILJK Technology Solutions is a small Cybersecurity and IT managed services company based in Lockport, Illinois and Hoffman Estates, Illinois. The team provides Cybersecurity and IT managed services.Read More
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38Undisclosed2 - 9 employeesDes Plaines, ILSmall Cybersecurity company RAM Communications, Inc., is in Des Plaines, Illinois. The team specializes in Cybersecurity.Read More
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39Undisclosed50 - 249 employeesArlington Heights, ILTechTiera Corporation, a midsize IT strategy consulting company, is headquartered in Arlington Heights, Illinois. The team provides IT strategy consulting and BI & big data consulting & SI.Read More
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