Manufactures industrial machinery electro discharge machining EDM services, electro chemical machining ECM services, chem milling services, punching services, stamping services, boring services, drilling services, tapping services, laser services, bending services, grinding servicesMachine shops in Seattle, WAMfg industrial machinery metal coating & non-precious EngravingM & M grinding in Seattle is a private company categorized under machine shops. Our records show it was established in 1984 and incorporated in Washington. Register for free to see additional information such as annual revenue and employment figures. Mfg industrial machinery metal coating & non-precious engraving M & M Grinding in Seattle, WA is a private company categorized under machine shops. Company was established in 1984 and incorporated in Washington.