< PrevNext > 40. Abbott Abbott Park, Ill. Share 2018 U.S.-Booked Air Volume: $103 millionPrimary U.S. Online Booking Tool: ConcurPrimary U.S. Payment Supplier: Bank of AmericaPrimary U.S. Expense Supplier: ConcurConsolidated U.S. TMC: CWTU.S.-booked air spend at pharmaceutical and medical device firm Abbott increased slightly in 2018 from 2017, according to a BTN estimate. Abbott generated about 254,000 metric tons of carbon dioxide equivalent emissions in 2018 due to its business travel, nearly 47 percent more than it had one year earlier. For employees who travel for business at least twice per year or spend at least $1,000 on business travel per year, Abbott makes available a Bank of America corporate business card. Abbott's sales increased nearly 12 percent in 2018 to $30.6 billion. Abbott employed about 103,000 people as of Dec. 31, 2018, about 4,000 more than it had one year prior.