Connecticut Railway & Lighting Co.
Bridgeport, Derby, New Britain, Norwalk, Waterbury
Acquired 1901 by United Gas Improvement Co.
Transit operations sold 1943
Bristol Traction Co.
Bristol CT
Acquired 1927 by United Gas Improvement Co.
Transit operations sold 1940
Delaware Electric Power Co.
Wilmington DE, New Castle DE, Chester PA
Acquired 1928 by United Gas Improvement Co. from American Electric Power Co.
Transit operations sold 1951
Georgia Railway & Power Co.
Atlanta, Macon
Acquired 1911 by United Gas Improvement Co.
Sold to Southeastern Power & Light Co. 1926
Sioux City Service Co.
Sioux City IA
Acquired 1909 by United Gas Improvement Co.
Sold to American Electric Power Co. 1928
Charleston Consolidated Railway & Light Co.
Charleston SC
Acquired 1910 by United Gas Improvement Co.
Sold to Southeastern Power & Light Co. 1926
United Gas Improvement Co. became today's UGI Corp., which continues to supply natural gas and some electricity to parts of Pennsylvania, but more significantly supplies propane through its AmeriGas subsidiary.