Explore Koch’s companies, investments and career opportunities. Learn what Koch companies make and how we create long-term value worldwide.

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]

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

As a global company, we produce innovative fertilizer and nutrient enhancement products to help farmers boost crop yields, supply methanol used to manufacture countless everyday products, and …

Koch Air is a leader in the HVAC distribution industry. One of the oldest Carrier distributors in North America, Koch Air provides Residential and Commercial HVAC equipment as well as Parts & …

With many different businesses and capabilities, Koch Engineered Solutions has roles in everything from engineering and field services to marketing, logistics, and beyond.

Koch Foods is proud to be one of the largest poultry processors in the United States. We focus on providing the highest quality products and unmatched service throughout the poultry growing, …

Dec 17, 2025 · Based in Wichita, Kansas, Koch, Inc. is one of the largest private companies in America, with annual revenues that have exceeded $125 billion.

Explore Koch companies, including Georgia-Pacific, Molex and INVISTA, and discover products and career opportunities across industries.

Search a database of Koch Fertilizer locations and distribution centers to find the facility nearest you.