Chicago Software Companies 21+ Years Old

The list of all cool software and SaaS companies that are more than 20 years old near Chicago, IL is shown below. Illinois is home to many technology companies that were founded before year 2000.

Gregslist is the comprehensive and up-to-date list of software and SaaS companies located in select cities in North America. Gregslist is a curated community resource used by thousands of job seekers, investors, founders, and community leaders every month.

Last updated September 23rd, 2021
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