List of the Largest Companies in Illinois

Name	Sector	Revenue $mlns	M&A Activity			Last 5 Years
Name	Sector	Revenue $mlns	Total	Buy	Sell	Last 5 Years
Walgreens Boots Alliance PE Backed Sycamore Partners 2025-03-06 $23.7B Deerfield, Illinois, United States website	Retail	139,081	27	24	3
ADM NYSE : ADM Chicago, Illinois, United States website	Agriculture	85,530	54	46	8
State Farm Private Bloomington, Illinois, United States website	Insurance	81,730	-	-	-
Allstate NYSE : ALL Northbrook, Illinois, United States website	Insurance	64,106	21	14	7
United NASDAQ : UAL Chicago, Illinois, United States website	Airlines	57,063	4	3	1
AbbVie NYSE : ABBV North Chicago, Illinois, United States website	Life Science	56,334	16	15	1
Deere NYSE : DE Moline, Illinois, United States website	Machinery	50,518	27	23	4
Abbott NYSE : ABT North Chicago, Illinois, United States website	Medical Products	41,950	44	36	8
US Foods NYSE : USFD Rosemont, Illinois, United States website	Distribution	37,877	25	24	1
Mondelez International NASDAQ : MDLZ Chicago, Illinois, United States website	Food	36,441	28	18	10
McDonald's NYSE : MCD Chicago, Illinois, United States website	Restaurants	25,920	13	6	7
Jones Lang LaSalle (JLL) NYSE : JLL Chicago, Illinois, United States website	Real Estate	23,433	32	32	-
Exelon NASDAQ : EXC Chicago, Illinois, United States website	Utilities	23,028	13	7	6
Catamaran Corp. Acquired OptumRx, Inc. 2015-03-30 $12.8B Schaumburg, Illinois, United States website	Healthcare Services	21,580	10	10	-
CDW NASDAQ : CDW Vernon Hills, Illinois, United States website	E-Commerce	20,998	7	7	-
The Kraft Heinz Co. Acquired Heinz 2015-03-25 Northfield, Illinois, United States website	Food	18,218	5	3	2

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