Top 40 Network Security Companies in Illinois
The Best of December 2025Looking for a top network security firm in Illinois?
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 Illinois. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Illinois Network Security Providers
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31Undisclosed10 - 49 employeesChicago, ILEclipse Telecom is a small answering service in Chicago, Illinois. Their services include Call Center Services and unified communications consulting & SI.Read More
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32Undisclosed10 - 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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33Undisclosed10 - 49 employeesChicago, ILEstablished in 2016, Incubator is a Cybersecurity company. The team provides Cybersecurity and Custom Software Development.Read More
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34$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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35Undisclosed10 - 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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36Undisclosed2 - 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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37Undisclosed2 - 9 employeesMattoon, ILTEAM ITS, LLC is a Mattoon, Illinois-based Cybersecurity and IT managed services company. Launched in 2016, the team provides Cybersecurity and IT managed services.Read More
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38Undisclosed2 - 9 employeesSparta, ILCybersecurity and IT managed services company Complete Technology Solutions LLC focuses on Cybersecurity and IT managed services. They are based in Sparta, Illinois.Read More
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39Undisclosed10 - 49 employeesChicago, ILVirtuelle Group is a small IT strategy consulting company. They specialize in IT strategy consulting and Cybersecurity and were launched in 2003.Read More
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40Undisclosed10 - 49 employeesChicago, ILAR/VR development company Fanisko is in Chicago, Illinois. They provide AR/VR development and Blockchain.Read More
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41Undisclosed50 - 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
Industries
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42$25,000+1,000 - 9,999 employeesChicago, ILRead More
ELEKS is a custom software development firm established in 1991. Their large team is in Tallinn, Estonia; L'viv, Ukraine; Berlin, Germany and Rzeszów, Poland. Their services include Custom Software Development, BI & big data consulting & SI, cloud consulting & SI, Cybersecurity, and more.
Clients
BNY Mellon DPD Acino DRAXIndustries
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