The Orion Bus Industries Orion V was a high floor transit bus available in Canada and the United States. One of the longest running line of buses from Orion, production began in 1989 and ended by the start of 2009. The first order for the Orion V was placed by Mississauga Transit, which took delivery of 25 buses in 1989. The final order for the Orion V was placed by Sonoma County Transit for CNG-powered buses. Westchester County Bee-Line System was the last to order the diesel-powered Orion V, and Coast Mountain Bus Company was the last Canadian agency to order the Orion V.