Largest companies by operating income

Companies ranked by operating income, in USD

Company	Op. income (TTM)	Sector	Industry	Country	Exchange
1VMCVulcan Materials CO	$1.64B	Basic Materials	Industrial Minerals	United States	NYSE
2HLHECLA MINING CO/DE/	$737.49M	Basic Materials	Industrial Minerals	United States	NYSE

U.S.-exchange common stocks; ADRs and funds excluded. 2 companies. Reported USD values. TTM means trailing twelve months; companies without a comparable value are excluded.