WELCOME! Guy L. Warden & Sons has been providing quality products and services for process controls and air, hydronic, and steam distribution systems since 1923. Warden serves many industries including the petrochemical, pulp and paper, food and beverage, institutional, pharmaceutical, and water treatment industries. Guy L. Warden aims to be the lowest cost in doing business without sacrificing quality in products and services. SUPPORT If you need assistance in choosing a product, sizing a product, solving an application problem, or if you just need pricing for one of the products we offer, please feel free to contact us.