SBS Corporation, Rochester, NY, has appointed The Duffy Company, Palatine, IL, as exclusive representative for Northern Illinois, Wisconsin, and Iowa. The Duffy Company has over 35 years of experience in the sales and service of industrial heating equipment and supplies. The sales team includes Kevin Duffy, Denis Duffy, and Tim McGurn, and inside sales staff includes Bob Duffy and Annette Patch. In addition, SBS has appointed the Peter D. Warner Company, Bloomington, MN, as exclusive representative for Minnesota, and North and South Dakota. The Peter D. Warner Company has over 25 years experience. The sales staff includes Peter Warner and Doug Warner.