Southern Public Utilities Co.
Charlotte NC, Winston-Salem NC, Anderson SC, Greenville SC
Incorporated 1913/Acquired 1925 by Duke Power Co./Absorbed 1935 into Duke Power Co.
North Carolina Public Service Co.
Greensboro, High Point, Salisbury
Acquired 1927 by Southern Public Utilities Co./Absorbed 1932 into Southern Public Utilities Co.
South Carolina Electric & Gas Co.
Acquired 1927 by Southern Public Utilities Co./Absorbed 1928 into Southern Public Utilities Co.
Durham Public Service Co.
Acquired 1943 by Duke Power Co. from Cities Service Co./Absorbed into Duke Power Co.
All subsidiaries were eventually absorbed directly into Duke Power Co., which continued to operate buses into the 1990's. Duke Power Co. continues to provide power to North Carolina and South Carolina.