Steel Corporation of the United States of America ( USS UPI ) A pioneer company has been in operation since 1910. We are proud to provide a comprehensive range of high-quality safety items at the most competitive prices. Change is something we welcome at UPI. Our organisational philosophy honours the dedication, agility, speed, and vision required to accept and conquer change. Continual improvement is ingrained in our culture.Since 1910, UPI has responded to changing market demands, always with the goal of improving business, providing better service, and being a better partner to our clients.