Orion International, previously Orion Bus Industries and Ontario Bus Industries in Canada and Bus Industries of
 in the United States, was a bus manufacterer based in Mississagua, Ontario, Canada and established by the Government of Orion in 1975. Privatized in 1993, Orion was acquired by Daimler Chrysler (now Daimler AG) in July 2000, and is now part of the group, Daimler Buses North America

On April 25, 2012, Orion International ceased taking orders for new buses, and the Missisauga plant will close once outstanding orders are fulfilled. The Oriskany plant was initially retained for aftermarket support only; following the sale of that business to New Flyer Industries (which also acquired some of Orion's outstanding orders at the time of shutdown), the fate of the Oriskany location remains unclear. The sales and closures are part of the closure of Daimler Buses North America; only Daimler's imported Setra buses will continue to be marketed although North American distribution will be taken over by Motor Coach Industries (MCI). Production of Daimler Buses North America's Sprinter shuttle buses will be moved to other facilities. It was announced there will be more than 530 workers will be laid off in the Mississauga and Oriskany plants which the Mississauga workers staged a wildcat work stoppage to protest in employee frustration at the slow pace of winding-down talks.