8303 Corporate Park Dr, Macedonia, OH, 44056. (216) 367-7000. Fax: (216) 367-7022. Toll Free: (800) 321-0562. sales@ppe.com. Web: www.ppe.com. Sls Mgr Jeff Greene. With a continually expanding range of products, PPE is the largest supplier of molding accessories to the plastic injection molding industry. PPE also manufactures conveyors, separators, hopper dryers and drum tumblers. With offices in Ohio and Nevada, PPE provides fast delivery and the personal attention that your order deserves. Est 1974.