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.

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

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]

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 cholera. He received the …

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

Koch Foods is a leading food company and among the country’s largest integrated poultry processors. We are a U.S.-based, privately-held company, employing over 13,000 people.

Koch Fertilizer is a global leader in the production and distribution of fertilizers, supporting agriculture and industrial applications worldwide.

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 exploring...

The Koch family (/ koʊk / KOHK) is an American family engaged in business, best known for their political activities in the Koch network and their control of Koch Inc, the 2nd largest privately owned …

4 days 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 applications.