Zoeller Pump Company, founded in 1939 and headquartered in Louisville, Kentucky, is a family-owned manufacturer of sump, sewage, effluent, grinder, and dewatering pumps for residential, commercial, and municipal markets. Its signature "meatball" impeller mark identifies a long-trusted brand in basement water-removal and wastewater pumping.
Zurn Industries, founded 1900 and headquartered in Milwaukee, Wisconsin (under parent Zurn Elkay Water Solutions), is a leader in engineered commercial plumbing and drainage. Products include floor drains, trench drains, backflow preventers, grease interceptors, flush valves, sensor faucets, and hydrants for commercial and institutional buildings.