Marine Firemen's Union Marine Firemen39s Union Pacific Coast Marine Firemen Oilers Watertenders and Wipers Association Established 1883 in San Francisco California Affiliated with the Seafarers International Union of North America AFLCIO ABOUT US MEMBERSHIP PLEDGE ABOUT US The Pacific Coast Marine Firemen Oilers Watertenders and Wipers Association commonly referred to as the Marine Firemens Union represents unlicensed merchant mariners who work in the engine department aboard a variety of ships. The union was formed October 1883 in San Francisco California. The founding members were firemen on Pacif The Pacific Coast Marine Firemen Oilers Watertenders and Wipers Association commonly referred to as the Marine Firemens Union represents unlicensed merchant mariners who work in the engine department aboard a variety of ships. The union was formed October 1883 in San Francisco California.