< PrevNext > 6. Apple Cupertino, Calif. Share 2016 U.S.-Booked Air Volume: $255 millionConsolidated U.S. TMC: BCD TravelApple's U.S-booked air volume declined 12.1 percent in 2016, according to a BTN estimate. Though Apple's employee count increased 15 percent in the 2016 fiscal year, which ended Sept. 24, 2016, the company cut back on air travel and rental car mileage as its emphasized "business-critical travel." Carbon emissions related to business travel declined 16 percent year over year in the fiscal year. In 2016 Apple partnered with Lyft and instructed its employees to choose it for ride-sharing. Apple works with CWT Meetings & Events and operates an Airlines Reporting Corp.-accredited Corporate Travel Department.