Koch creates life’s basic necessities, while innovating ways to make them even better. Yet our advocacy for a free and open society is what truly sets us apart.

Koch, Inc. (/ koʊk /) is an American multinational conglomerate corporation based in Wichita, Kansas, and is the second-largest privately held company in the United States, after Cargill. [6]

Drive innovation and efficiency across Koch companies with opportunities spanning multiple career fields, such as Engineering and Information Systems & Technology.

Dec 7, 2025 · German physician Robert Koch was one of the founders of bacteriology. He discovered the anthrax disease cycle and the bacteria responsible for tuberculosis and …

Based in Wichita, Kansas, Koch, Inc. is one of the largest private companies in America, with annual revenues that have exceeded $125 billion.

Based in Wichita, Kansas, Koch is one of the largest private companies in America. A diverse set of businesses and industries across the world, we work together to keep improving and …

Dec 20, 2025 · The Koch operation retooled its political philanthropy in the wake of Mr. Trump’s victory in 2016. In 2019, the network renamed itself Stand Together and centralized its …

1 day ago · Koch Filter is a world-class manufacturer of air filtration products, including pleated filters, high efficiency filters, and HEPA filters for commercial, industrial, and specialty …

Jun 10, 2018 · Business has made the Koch brothers two of America's richest men, but it is how they have used their wealth - to push for small government and a free economy - that has …

Koch is one of the largest private companies in America. Based in Wichita, Kansas, Koch creates and innovates a wide spectrum of products, technologies and services that make life better.