Public Service Co. of Colorado
Boulder
Acquired 1923 by Cities Service Co.
Became separate new company 1943/Transit operations sold 1975
Grand River Valley Railroad Co.
Grand Junction CO
Acquired 1926 by Cities Service Co.
Transit operations sold 1935
Athens Railway & Electric Co.
Athens GA
Acquired 1913 by Cities Service Co.
Sold to Southeastern Power & Light Co. 1926
Cumberland & Westernport Electric Railway
Interurban (MD)
Acquired 1909 by Doherty Operating Co.
Transit operations sold 1935
Hattiesburg Traction Co.
Hattiesburg MS
Acquired 1912 by Doherty Operating Co.
Sold to Southeastern Power & Light Co. 1924
Meridian Light & Railway Co.
Hattiesburg MS
Acquired 1910 by Doherty Operating Co.
Sold to Southeastern Power & Light Co. 1924
St. Joseph Railway Light Heat & Power Co.
St. Joseph MO
Acquired 1913 by Cities Service Co.
Transit operations sold 1944
City Light & Traction Co.
Sedalia MO
Acquired 1913 by Cities Service Co.
Transit operations discontinued 1945
Durham Public Service Co.
Durham NC
Acquired 1913 by Cities Service Co.
Sold to Duke Power Co. 1943
Community Traction Co.
Toledo OH
Acquired 1913 by Cities Service Co.
Transit operations sold 1954
Ohio Public Service Co.
Mansfield, interurban
Acquired 1914 by Cities Service Co.
Transit operations discontinued 1939
Toledo & Indiana Railroad
Interurban (OH)
Acquired 1926 by Cities Service Co.
Passenger service discontinued 1939
Toledo & Western Railway
Interurban (OH)
Acquired 1907 by Cities Service Co.
Sold 1924
Bartlesville Interurban Railway
Interurban (OK)
Acquired 1913 by Cities Service Co.
Sold 1919
Tennessee Eastern Electric Co.
Johnson City
Acquired 1928 by Cities Service Co.
Transit operations discontinued 1935
FEDERAL LIGHT & TRACTION CO.
Incorporated 1910, acquired 1930 by Cities Service Co.
Tucson Rapid Transit Co.
Tucson AZ
Acquired 1910 by Federal Light & Traction Co.
Transit operations sold 1946
Central Arkansas Public Service Co.
Hot Springs AR
Acquired 1913 by Federal Light & Traction Co.
Transit operations sold 1943
Trinidad Electric Transmission Railway & Gas Co.
Trinidad CO
Acquired 1911 by Federal Light & Traction Co.
Transit operations discontinued 1923
Springfield Traction Co.
Springfield MO
Acquired 1911 by Federal Light & Traction Co.
Transit operations sold 1945
Las Vegas Light & Power Co.
Las Vegas NM
Acquired 1910 by Federal Light & Traction Co.
Transit operations discontinued 1928
Grays Harbor Railway & Light Co.
Grays Harbor WA
Acquired 1910 by Federal Light & Traction Co.
Transit operations sold 1940
Cities Service Co. was most notably in the petroleum business, and in 1965 began marketing its gasoline as the brand CITGO.