Largest companies by operating income

Companies ranked by operating income, in USD
Rank	Company	Operating income	Sector	Industry	Country	Exchange
1	UNHUnitedHealth Group Inc	$21.7B	Financial Services	Insurance	United States	NYSE
2	CICigna Group	$9.96B	Financial Services	Insurance	United States	NYSE
3	MRSHMarsh & McLennan Companies, Inc.	$6.04B	Financial Services	Insurance	United States	NYSE
4	AONAon plc	$4.65B	Financial Services	Insurance	United States	NYSE
5	MKLMarkel Group Inc.	$3.09B	Financial Services	Insurance	United States	NYSE
6	HUMHumana Inc.	$2.71B	Financial Services	Insurance	United States	NYSE
7	AFGAmerican Financial Group, Inc.	$1.20B	Financial Services	Insurance	United States	NYSE
8	OSCROscar Health, Inc.	$630M	Financial Services	Insurance	United States	NYSE
9	RYANRyan Specialty Holdings, Inc.	$477M	Financial Services	Insurance	United States	NYSE
10	HRTGHeritage Insurance Holdings, Inc.	$295M	Financial Services	Insurance	United States	NYSE
11	MOHMolina Healthcare, Inc.	$203M	Financial Services	Insurance	United States	NYSE
12	NPNeptune Insurance Holdings Inc.	$74.0M	Financial Services	Insurance	United States	NYSE
13	SLQTSelectQuote, Inc.	$73.9M	Financial Services	Insurance	United States	NYSE

The world's largest companies by operating incomeMarket capRevenueOperating incomeCapital expenditureTotal assetsNet assetsCash on hand