Another company's business going down the drain is a market opportunity for Strahman Valves. The company designs and manufactures process valves used for drainage and sample taking, leak lockage devices known as line blinds, and wash down equipment -- including hoses, mixing units, and nozzles -- for industries that require water temperature control. Industries served include dairy, food processing, and beverage; chemicals and pharmaceuticals; petrochemicals and refining; and pulp and paper. The company sells its products through an online store and a worldwide network of agents and distributors. Strahman Valves was founded in 1921.