5 Biggest Illinois Companies and Stocks

2. AbbVie Inc. (NYSE:ABBV)

Total revenue (in billions): $56.2

Market cap as at 11th January (in billions): $282.3

AbbVie Inc. (NYSE:ABBV) is the largest pharmaceutical company in Illinois which was spun-off from Abbott Laboratories (NYSE:ABT) in 2013. Currently, 50,000 employees are hired by Abbott Laboratories (NYSE:ABT). 2022 has been a good year for the pharmaceutical industry and AbbVie Inc. (NYSE:ABBV) has gained 14.7%.