Production of all Orion V, and VII buses begins at the Mississauga, Ont. Canada factory where the integrated chassis/body structure for each bus is assembled. The structure is then shipped to the Oriskany, NY plant where ......Production of all Orion V, and VII buses begins at the Mississauga, Ont. Canada factory where the integrated chassis/body structure for each bus is assembled. The structure is then shipped to the Oriskany, NY plant where seating, engines, transmissions, axles, electrical, heating and air conditioning systems, and other final finish components are installed. Final finish and testing of all buses is completed in Oriskany prior to delivery to the customer.