The Driessens are the grandchildren of the founder of Culligan, Mr. E.J. Culligan who started Culligan International in 1936. Driessen Water was founded in Waseca MN in 1962 and is still family run today. Driessen Water operates 22 stores in Minnesota, Texas, Indiana and Ohio. Beyond providing allthe standard water treatment services, Driessen Water also has a division named Ultrapure and Industrial Services, Inc. that is dedicated to commercial and industrial water treatment. While Culliganhandles water treatment and provision for residential and office needs, Ultrapure handles water and/or process requirements for apartment building, restaurants, dialysis, pharmaceutical production, semi-conductor productions, regional power plants, waste water treatment plants and more.