USS-POSCO Industries Headquarters & Corporate Office
USS-POSCO Industries (UPI), a joint venture company formed by USS and POSCO, owns and operates the USS-POSCO steel finishing plant. Industry Manufacturing Corporate Phone Number (925) 439-6148 Customer Support Phone Number 1-800-877-7672 Headquartered Address 900 Loveridge Rd, Pittsburg, California, 94565, United States Email: info@ussposco.com Website: http://www.ussupi.com/ …