Top 100 Cybersecurity Companies in Chicago
The Best of December 2025Looking for a top cybersecurity company in Chicago?
Technology plays the role of a double-edged sword when it comes to business. It can be your edge that can propel your business forward, but it can also expose you to online threats and risks. Working with a cybersecurity company can help you meet all the compliance requirements, improve security, and more.
Connect with Chicago’s top cybersecurity companies on The Manifest. Don’t forget to look over their reviews, profiles, and awards before you get in touch with them.
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List of the Best Chicago Cybersecurity Consultants
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181Undisclosed10 - 49 employeesDeerfield, ILIT strategy consulting company Liberty Technology Advisors, Inc. Is located in Deerfield, Illinois. Established in 1995, the team focuses on IT strategy consulting and BI & big data consulting & SI.Read More
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182Undisclosed10 - 49 employeesSouth Barrington, ILIT strategy consulting company BSSI2 LLC specializes in IT strategy consulting and cloud consulting & SI. They were launched in 2005.Read More
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183$5,000+2 - 9 employeesBatavia, ILTeqworks, an IT managed services company, was launched in 2002. The firm provides IT managed services and IT strategy consulting.Read More
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184Undisclosed50 - 249 employeesNaperville, ILAiRo Digital Labs, a big data company, is based in Naperville, Illinois and Gurugram, India. They specialize in BI & big data consulting & SI and cloud consulting & SI and were established in 2018.Read More
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185Undisclosed10 - 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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186Undisclosed10 - 49 employeesElgin, ILCTI Technology is a Cybersecurity and IT managed services company. Launched in 2004, the company is located in Elgin, Illinois. Their team offers Cybersecurity and IT managed services.Read More
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187$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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188Undisclosed10 - 49 employeesLincolnshire, ILBAI Security is an IT strategy consulting company established in 2007. Their services include IT strategy consulting and Compliance Consulting.Read More
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189Undisclosed50 - 249 employeesWaukegan, ILARCOA is a Cybersecurity company founded in 1989. The team focuses on Cybersecurity and IT managed services.Read More
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190Undisclosed10 - 49 employeesValparaiso, INBased in Valparaiso, Indiana, Schilling IT is a small IT managed services company. Their services include IT managed services and Cybersecurity.Read More
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191Undisclosed2 - 9 employeesPalatine, ILChimbly Consultants LLC is a Palatine, Illinois-based Cybersecurity company. Founded in 2010, the team offers Cybersecurity and IT strategy consulting.Read More
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192Undisclosed2 - 9 employeesStreamwood, ILAcextic Consulting is a Corporate Training & Coaching company. Founded in 2006, their team focuses on Corporate Training & Coaching and Cybersecurity.Read More
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193$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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194Undisclosed2 - 9 employeesGurnee, ILIT managed services company IntelliSupport was launched in 2023. Headquartered in Gurnee, Illinois, the team offers IT managed services and IT strategy consulting.Read More
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195Undisclosed2 - 9 employeesYorkville, ILCybersecurity company CyberGhost Security, LLC is in Yorkville, Illinois. They specialize in Cybersecurity.Read More
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196Undisclosed2 - 9 employeesValparaiso, INOsiris InfoSec LLC is a small IT strategy consulting company. They offer IT strategy consulting and Cybersecurity and were established in 2022.Read More
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197Undisclosed10 - 49 employeesChicago, ILDemakis Technologies Inc is an IT managed services company. They are located in Chicago, Illinois. Their team specializes in IT managed services and Cybersecurity.Read More
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198Undisclosed10 - 49 employeesNaperville, ILCloud consulting & SI company Outsource Solutions Group was launched in 1998. The team provides cloud consulting & SI and IT strategy consulting and is based in Naperville, Illinois.Read More
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199Undisclosed50 - 249 employeesHoffman Estates, ILLaunched in 2002, DivIHN Integration Inc is an IT managed services and Cybersecurity company. Headquartered in Hoffman Estates, Illinois, the team specializes in IT managed services and Cybersecurity.Read More
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200Undisclosed1,000 - 9,999 employeesChicago, ILTeneo is a Business Consulting company. They are located in New York, New York and San Francisco, California and have large team. Their services include Business Consulting and Cybersecurity.Read More
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201Undisclosed50 - 249 employeesSchaumburg, ILSennovate is a Cybersecurity company. The San Ramon, California-based firm provides Cybersecurity and IT managed services.Read More
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202Undisclosed50 - 249 employeesChicago, ILEntara is a Cybersecurity and IT managed services company based in Chicago, Illinois. They specialize in Cybersecurity and IT managed services.Read More
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203Undisclosed10 - 49 employeesChicago, ILLaunched in 2009, LevCo Technologies, Inc., a small Cybersecurity company, is located in Vero Beach, Florida and Chicago, Illinois. Their services include Cybersecurity.Read More
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204Undisclosed50 - 249 employeesChicago, ILPrescient is a midsize Cybersecurity company in Chicago, Illinois and Arlington, Virginia. Their services include Cybersecurity.Read More
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205Undisclosed2 - 9 employeesChicago, ILLaSalle Consulting Partners, Inc. Is a Cybersecurity company. They are headquartered in Chicago, Illinois. Their team specializes in Cybersecurity.Read More
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206Undisclosed2 - 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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207Undisclosed2 - 9 employeesTinley Park, ILChicagoland Cloud, LLC is a Cybersecurity company. Located in Tinley Park, Illinois, the agency was founded in 2011. Their services include Cybersecurity.Read More
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208Undisclosed50 - 249 employeesChicago, ILOnShore Security, a Cybersecurity company, was founded in 1991. In Chicago, Illinois, the team focuses on Cybersecurity.Read More
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209Undisclosed2 - 9 employeesChicago, ILMSMNET Security, a small Cybersecurity company, is located in Chicago, Illinois. Their services include Cybersecurity.Read More
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210$5,000+2 - 9 employeesRosemont, ILVision96 is a small Rosemont, Illinois-based IT strategy consulting company. Their services include IT strategy consulting and unified communications consulting & SI.Read More
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