Your leading supplier of electropolishing and metal finishing services. 

For more than 50 years, Electropolishing Systems has been perfecting metal finishing. Today, we provide the highest quality and most advanced electropolishing, passivating, anodizing, hardcoating and laser marking services for machine metal parts. ESI offers custom solutions to even the most challenging product goals. From standard processes to our own proprietary methods, all of our finishing services demonstrate our unmatched knowledge of options, industry standards and innovation.