Renaissance Tower (Dallas)
At the time of completion in 1974, it was the tallest building in Dallas at and was originally known as the First International Bancshares Tower (First International Bancshares, Inc. was the new holding company parent of First National Bank in Dallas). In 1985, it was surpassed by Fountain Place and Bank of America Plaza, which became Dallas's tallest building. It was also clear that Renaissance Tower would be overtaken by Comerica Bank Tower and Chase Tower then under construction. Therefore, in order to regain some status, the building underwent a major renovation in 1986 that included a re-glazed exterior and removal of the lighting on its sides. In 1986, James T. Chiles was brought in by the owner, the Prudential Insurance Company of America to design the broadcast center and towers on top the building, one of which was . This brought the structural height of the building up to , securing its place as the second-tallest building in Dallas. Excluding antennas and spires, the Renaissance Tower is the fifth-tallest.
Republic Center
The Republic National Bank Building (later known as Republic Center Tower I and now Gables Republic Tower) was constructed as a 36-story skyscraper for the headquarters of Republic National Bank, which had previously been located at the Davis Building. Seeking to build higher than their rival's Mercantile National Bank Building, the Republic National Bank Building became the tallest building in Dallas and west of the Mississippi River at its completion in 1954. The skyscraper included an elaborate banking pavilion that stretched to Pacific Avenue. It remained the tallest building on the Dallas skyline until it was surpassed by the Southland Center in 1959.