Located in Independence, Iowa, Iowa Engineered Processes Corp (IEPC) is a privately held business, incorporated in 1981. For the past thirty years, IEPC has been building and refining the Cascade Deburring and Cleaning System.The Cascade System is a patented process for the cleaning, polishing and deburring of metal castings. With Cascade systems established in 10 countries on three continents, this unique process has set the standard for manufacturers around the world. We are a recognized World Class Company and we welcome the opportunity to partner with you and your customers.