Aon Center (Chicago) the world headquarters of Aon and Amoco. Aon's US operations are still headquartered here. The building is also the co-headquarters of Kraft Heinz. The Standard Oil Building was constructed as the new headquarters of the Standard Oil Company of Indiana, which had previously been housed at South Michigan Avenue and East 9th Street. When it was completed in 1973, it was the tallest building in Chicago and the fourth-tallest in the world, earning it the nickname "Big Stan". (A year later, the Sears Tower took the title as Chicago's and world's tallest.) The building employs a tubular steel-framed structural system
Formerly Known that Christian hip-hop is not lame." Hill considered "Let There be Light", featuring Lecrae, a personal favorite. Wildes listed "Fools Gold", featuring Sho Baraka and Swoope, and "Michael Jackson", featuring Thi'sl, Rich Perez, R-Swift, and Bubba Watson, as the two songs which he liked the best. "Michael Jackson" sampled a line from Kanye West and was based around the concept of Christians being former sinners who were "bad real bad Michael Jackson". Wildes noted the humorous intent of the appearance of golfer Bubba Watson and stated that it "closes out a fine project". Formerly Known Formerly Known is the second