Zoeller Company began in 1939 as a family owned operation making various products, one of which was a dependable column sump pump. \r\n From it's humble beginnings, the Zoeller Company survives as the oldest and largest manufacturer of electric sump pumps in the United States. All Zoeller pumps are time tested and quality driven. Our submersible pumps are 100% factory tested underwater for dependability from the instant they're plugged in.\r\n Zoeller Products are sold throughout the United States, Canada and Mexico as well as around the world. With over 50 different products, Zoeller has the answer to all your pumping needs.\r\n