Universal Metal Marking (UMMCO) is a company that offers metal part marking services. Its marking methods include laser engraving, vibropeening, CNC tool engraving, DOT peening, diamond dragging, dot matrix marking, laser etching, electrochemical etching, grit blasting, ink stamping, roll stamping, hot stamping, embossing, debossing, knurling, silk screening, pad printing, EDM sinking, embossing dies, metal stamping dies, debossing dies, and punch dies. In addition, the company provides customers with different inspection stamps.