UPI is steel finishing plant that is owned and operated by U.S. Steel Corporation. At UPI we embrace change. Our company phil ... osophy celebrates the commitment, agility, speed and vision needed to embrace change head-on and then conquer it. Continual improvement is part of our heritage. Since 1910, UPI has adapted to the varying needs of the marketplace, always with an eye toward better business, better service, and becoming a better partner to our customers. read more