< PrevNext > 59. Bayer U.S. Pittsburgh Share 2020 U.S.-Booked Air Volume: $12.6 millionThe U.S. division of Germany-based pharmaceutical and life sciences conglomerate Bayer racked up $12.6 million in U.S.-booked air volume in 2020, according to a BTN estimate, down from $47 million from 2019. Due to the firm’s international structure, a high percentage of its of U.S.-booked volume traditionally is comprised of international trips. That was unlikely the case in 2020 with border restrictions and intensive testing and quarantine requirements in place for much of the year. The company, which had a workforce of 23,700 as of the end of 2020, earned $47.3 billion in gross revenue that year, down slightly from $48.8 billion in 2019.