List of the Largest companies in Illinois

Name	Sector	Revenue $mlns	M&A Activity	Last 5 Years
Walgreens NASDAQ : WBA Deerfield, Illinois, United States website	Retail	139,537	24	23	1
State Farm Private Bloomington, Illinois, United States website	Insurance	81,730	-	-	-
ADM NYSE : ADM Chicago, Illinois, United States website	Agriculture	64,355	51	43	8
Boeing NYSE : BA Chicago, Illinois, United States website	Aerospace	62,286	35	30	5
AbbVie NYSE : ABBV North Chicago, Illinois, United States website	Life Science	56,197	7	6	1
Caterpillar NYSE : CAT Deerfield, Illinois, United States website	Machinery	50,971	46	38	8
Allstate NYSE : ALL Northbrook, Illinois, United States website	Insurance	44,791	20	14	6
Deere NYSE : DE Moline, Illinois, United States website	Machinery	43,582	26	22	4

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Largest Companies in Illinois