Control Supply Corp., based in Copiague, N.Y., is hosting its first Manufacturers Day on June 6 from 11 a.m. to 7 p.m., featuring more than 20 manufacturers on site, product displays, a golf driving range and food. The master distributor of controls sells to wholesalers only and specializes in technical back-up service. Call 631/789-5100 (or 800/872-3300 if outside of New York) for information.