Under Pfingsten's ownership, Marlen was a designer and manufacturer of food processing equipment and parts for the meat, poultry, fish, vegetable, fruit, bakery, confectionery, snack and dairy markets. Products included equipment and replacement parts used for pumping, portioning, filling, dicing, grinding, reducing, chilling and cooking food. The company sold its products and services to commercial and industrial food processors. Marlen was headquartered in Riverside, Missouri. Pfingsten sold its interest in the company in March 2014.