Zoeller Company was founded in 1939 as a family-owned operation making various products, one of which was a dependable column sump pump. From its humble beginnings, Zoeller Company, one of the oldest, independently-owned U.S. pump manufacturers, has maintained the highest quality standards. All Zoeller pumps are time-tested and quality-driven. Zoeller products are sold throughout the U.S., Canada, and Mexico as well as around the world.