(Editor's note: This post has been updated since it originally ran.)

Downtown mid-rise icon SunTrust Building — oldtimers fondly recall the days the 20-story office tower was known as the Third National Bank Building — has received new signage on the east wall of its roof line, with the lettering representing anchor tenant ServiceSource.

Company officials said ServiceSource commissioned the sign (which is not visable in this photo) as part of a partnership with building manager Cassidy Turley. The SunTrust Building opened in 1968 and ranks among Nashville’s 20 tallest.

ServiceSource came to town more than four years ago and has since been steadily adding to its presence. It now employs more than 700 people downtown.