Swiss Screw Machines, CNC ID/OD, ID, OD, Angled, Surface, Blanchard & Centerless Grinding. 
Full Service Machine and Manufacturing with Lathe & Mill. 
Specializing in the Straight Knife Industries Such as Printing, Recycling, Book Binding & Packaging.
 We Provide Honing, Finishing, Inspection & Delivery Services for our Customers.

Certified Woman-Owned 

Visit our Services Page for a full list of Capabilities 

Superior Grinding & Sales, Inc. BBB Business Review

Superior Grinding isn't just a grinding shop anymore...

Certified HUB Zone 

Approved Government Supplier



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Celebrating 30 years, serving the western United States and beyond.

Our long time employees are efficiently skilled, pay attention to detail and take pride in high quality work.

They set us apart from the competition by specializing in the ability to hold tight tolerances to .0001.
We are AS9100 rev D & ISO 9001:2015 Certified, WBE and Government certified.

Customer service is our #1 Priority!