Germantown Special Industry Machinery Nec Mfrs 548 N Cherry St The Dupps Company designs, builds and installs high quality process equipment, including protein co-products rendering systems, rotary drum dryers, screw presses and more. We also provide complete maintenance, repair and rebuild support. Germantown OH Special Industry Machinery Nec Mfrs Dupps Co www.dupps.com protein co-products rendering systems drum dryers screw presses evaporators Dupps dryers screwpress fishmeal process equipment protein co-products rendering systems drum dryers screw presses evaporators Dupps dryers screwpress fishmeal process equipment Business Reviews Dupps Co Testimonials