Machine Buildling

Welcome to NM Contract Manufacturing, a division of National Machinery LLC.   From under one roof in Tiffin, Ohio we offer a broad range of manufacturing services.  In house we have extensive fabrication, machining, heat treat, and assembly capability.   

  • Mechanical components machined to your prints
  • Fabrications made to your prints
  • Machine-building partnership with equipment OEMs

The over 300 employees working from our 600,000 square foot facility in Tiffin, OH stand ready to serve you. To contact one of our manufacturing specialists, please call +1 (419) 443-4825, or email us at


ISO quality certification
NM Contract Manufacturing is committed to continuous improvement.  We hold ISO 9001:2008, ASME “U” Stamp, and AS9100 Rev.B certifications, and have an aggressive Total Quality Improvement (TQI) program.



We are a part of an industrial holding group. Click above to visit our extended family.