Largest companies by operating income

Companies ranked by operating income, in USD
Rank	Company	Operating income	Sector	Industry	Country	Exchange
1	VMCVulcan Materials CO	$1.64B	Basic Materials	Industrial Minerals	United States	NYSE
2	MLMMartin Marietta Materials, Inc.	$1.38B	Basic Materials	Industrial Minerals	United States	NYSE
3	HLHecla Mining Co	$737M	Basic Materials	Industrial Minerals	United States	NYSE
4	KNFKnife River Corp	$275M	Basic Materials	Industrial Minerals	United States	NYSE
5	USLMUnited States Lime & Minerals, Inc.	$159M	Basic Materials	Industrial Minerals	United States	Nasdaq
6	CMPCompass Minerals International, Inc.	$116M	Basic Materials	Industrial Minerals	United States	NYSE
7	SNDSmart Sand, Inc.	$7.84M	Basic Materials	Industrial Minerals	United States	Nasdaq
8	LEUCentrus Energy Corp.	$7.40M	Basic Materials	Industrial Minerals	United States	NYSE

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