Seaspan is an association of Canadian companies primarily involved in coastal marine transportation, shipdocking/ship escort, ship repair & refit, and shipbuilding services in Western North America. In addition to the marine transportation services offered directly through Seaspan, commercial ferry, shipyard and bunkering services are provided via affiliate companies: Marine Petrobulk, Seaspan Ferries, Vancouver Drydock, Vancouver Shipyards and Victoria Shipyards.