< PrevNext > 90. Liberty Mutual Insurance Boston Share 2020 U.S.-Booked Air Volume: $6.4 millionPrimary Global Online Booking Tool: ConcurPrimary U.S. Payment Supplier: US BankPrimary Global Expense Supplier: Chrome RiverPrimary Global Travel Risk Management Supplier: ISOSConsolidated Global TMC: BCD BTN estimates that Liberty Mutual’s U.S.-booked air volume in 2020 was $6.4 million, down from 2019’s total of $36.3 million. The company reported fiscal year 2020 revenues at $43.8 billion, up 1.3 percent year over year. As of Dec. 31, 2020, Liberty Mutual employed more than 45,000 people in 20 countries around the world. In 2020, the company reported 10,717 U.S. Scope 3 metric tons of carbon dioxide equivalent emissions, which includes business travel, down from 31,414 in 2019. In July 2021, the company announced it was to acquire State Auto Group, headquartered in Columbus, Ohio, for about $1 billion. The deal is expected to close in 2022.