Full List of Biotech Companies in Illinois, US (2025)
Many of the pharmaceutical and biotech companies in Illinois are based in Chicago, and Lake County. Lake County has the largest concentration of life sciences companies in the Midwest, and the third largest nationwide. Top life sciences companies in Illinois include Abbott, AbbVie, Fresenius Kabi, Baxter International, Astellas, Takeda, CSL Behring, Lundbeck, and Medline Industries. … Read more