2025 U.S.-Booked Air Volume: $79M
Consolidated U.S. TMC: Amex GBT
Koch is the second-largest private company in the United States, according to Forbes.
Koch operates 300 manufacturing sites domestically and 100 more abroad, employing about 130,000 people in more than 50 countries, with roughly half in the United States. According to the company, annual revenue has exceeded $125 billion.