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  1. Creating value. Transforming life. | Koch

    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.

  2. Koch, Inc. - Wikipedia

    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]

  3. Koch Careers

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

  4. Robert Koch | German Bacteriologist & Nobel Laureate | Britannica

    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 …

  5. Koch | Company Overview & News - Forbes

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

  6. Koch - LinkedIn

    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 …

  7. Koch Political Operation Spent Nearly $550 Million During 2024 …

    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 …

  8. Truelink Capital Announces Completion of Koch Filter Corporation …

    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 …

  9. Who are the Koch brothers? - BBC

    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 …

  10. 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.