Northbus is part of the NZ Bus family of services, which includes North Star, Metrolink, Waka Pacific and GO WEST in Auckland and GO Wellington and Valley Flyer in Wellington. Northbus operates 43 buses, including ten buses on the CityLink service, nine tour coaches and 24 school buses.Northbus manages six CityLink routes, 22 school bus routes, and a daily bus service for workers at the Marsden Point Refinery.