Paul Mueller Company, together with its subsidiaries, manufactures and sells stainless steel tanks and industrial processing equipment. Paul Mueller company operates in four segments: Industrial Equipment, Dairy Farm Equipment, Field Fabrication, and Transportation. The Industrial Equipment segment offers food, beverage, chemical, and industrial processing equipment; and industrial heat transfer, biopharmaceutical, pure water, thermal energy storage, and commercial refrigeration equipment to industrial customers. The Dairy Farm Equipment segment provides milk-cooling and storage equipment and accessories, refrigeration units, and heat recovery equipments for use in dairy farms, through independent dealers. The Field Fabrication segment offers large field-fabricated tanks and vessels, such as large stainless steel storage tanks for sanitary and industrial process applications. The Transportation segment delivers products to customers, and backhauls of materials and components. This segment also offers contract carriage for third parties.