<P> With the exception of the Fairless Hills and Gary facilities, the lawsuits concern facilities acquired by US Steel via its 2003 purchase of National Steel Corporation, not its historic facilities . </P> <P> The U.S. Steel Tower in Pittsburgh, Pennsylvania is named after the company and since 1970, the company's corporate headquarters have been located there . It is the tallest skyscraper in the downtown Pittsburgh skyline built out of the companies CorTen Steel . New York City's One Liberty Plaza was also built by the corporation as that city's U.S. Steel Tower in 1973 . </P> <P> When the Steelmark logo was created, U.S. Steel attached the following meaning to it: "Steel lightens your work, brightens your leisure and widens your world ." The logo was used as part of a major marketing campaign to educate consumers about how important steel is in people's daily lives . The Steelmark logo was used in print, radio and television ads as well as on labels for all steel products, from steel tanks to tricycles to filing cabinets . </P> <P> In the 1960s, U.S. Steel turned over the Steelmark program to the AISI, where it came to represent the steel industry as a whole . During the 1970s, the logo's meaning was extended to include the three materials used to produce steel: yellow for coal, orange for ore and blue for steel scrap . In the late 1980s, when the AISI founded the Steel Recycling Institute (SRI), the logo took on a new life reminiscent of its 1950s meaning . </P>

This man created the united states first billion dollar corporation