Retail, Wholesale and Department Store Union is a labor union in the United States and Canada. Founded in 1937, the RWDSU represents about 60,000 workers in a wide range of industries, including but not limited to retail, grocery stores, poultry processing, dairy processing, cereal processing, soda bottlers, bakeries, health care, hotels, manufacturing, public sector workers like crossing guards, sanitation, and highway workers, warehouses, building services, and distribution.