Established in 1953, John's Dairy Equipment and Supply Co. carries dairy and pool equipment and supplies at wholesale prices. Customers can find chlorine, chemicals, pumps, filters, heaters, water testers and more for their pools. And for the dairy farmer, John's has stainless steel pails, needles and syringes, milkers, milk pasteurizers, cooling fans, and so on. John's also carries rain gear and other outdoor clothing.