The entrance to One Piedmont Town Center, where the headquarters of Piedmont Natural Gas are located.
The entrance to One Piedmont Town Center, where the headquarters of Piedmont Natural Gas are located. MARK HAMES
The entrance to One Piedmont Town Center, where the headquarters of Piedmont Natural Gas are located. MARK HAMES

Piedmont Natural Gas shareholders approve acquisition by Duke Energy

January 22, 2016 09:34 AM