Supfina Machine Co., Inc.

Supfina Machine Co., Inc.
181 Circuit Drive

North Kingstown, RI 02852

Fax: 401-294-6600


Supfina is an industrial precision machine manufacturer and turn-key engineering solutions firm. We’re renowned for our customized systems for superfinishing, double-disk grinding, fine grinding and flat finishing, including comprehensive automation solutions. We place the highest priority in our commitment to precision, innovation, and customer satisfaction.

The customization of our component manufacturing systems are limitless, ensuring that we can engineer a desired solution to your specification. This flexibility allows for quick adaptability to changing workpieces or surface parameters due to rapidly changing customer needs and market demands.

As we navigate together towards a highly automated future, we continue to employ the newest technologies to help seamlessly ease that transition, whilst providing a world-class machining solution. Our first promise is our responsibility to offer customers extensive support and solutions in all areas of surface finishing, including the development/production of functional surfaces, manufacturing of automated machines, and the integration of a machining process with robotic support.

  • Buffing & Polishing Machines
  • Grinding Attachments & Accessories
  • Grinding Machines, Disc, Single or Double
  • Super (Micro) Finishing Machines
  • Superabrasive Machining Systems
  • Turning Attachments
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