For over 125 years the Duplex Mill & Mfg.
Co. has been making Kelly Duplex equipment for material handling and
We have a broad range of both standard and custom
material handling machinery. Use our experience and expertise in the
design of process machinery to provide the solution to your process
requirements. We offer a unique combination of extensive experience,
advanced design tools, and state of the art fabrication.
Our line of agricultural equipment is unmatched; we kept
the best of the old and are constantly striving to add new products to
meeting the changing agricultural environment.
This website has two sections; industrial and
agricultural machinery. Both sides have detailed information on our
standard and custom products. We hope you'll find the information about
our machinery which you need to answer your questions. After you've
browsed our site, please contact us to refine the solution to your