Largest companies by operating income

Companies ranked by operating income, in USD

Company	Op. income (TTM)	Sector	Industry	Country	Exchange
1ZBRAZEBRA TECHNOLOGIES CORP	$858.00M	Industrials	Industrial Machinery	United States	Nasdaq
2ZWSZurn Elkay Water Solutions Corp	$372.30M	Industrials	Industrial Machinery	United States	NYSE
3FETFORUM ENERGY TECHNOLOGIES, INC.	$32.35M	Industrials	Industrial Machinery	United States	NYSE

U.S.-exchange common stocks; ADRs and funds excluded. 3 companies. Reported USD values. TTM means trailing twelve months; companies without a comparable value are excluded.