The purchase of the Tsais’ stake also did not involve Koch Industries, the family’s main source of wealth and controversy, ...

while the Koch family started what became America's second-largest private company, Koch Industries. In Georgia, billionaire families named to the list include: See the full list of America’s ...

had purchased the Matador Cattle Co. from Koch Industries for $200 million. That news sent Marxer and his family into nostalgia’s embrace. They reminisced about halcyon years they had spent ...

Koch Refining Co. is a subsidiary of Koch Industries Inc., Wichita, Kan., the second-largest privately held company in the nation. Koch employs about 700 people in the Twin Cities area. The refinery ...

Hall was chief economist of the public-sector group at Koch Industries Inc. in Wichita from 1997-2004. The Center for Applied Economics is a research center funded by contributions from the Fred C.