| Description | Cradley Heath Gas; Crediton Gas; Crewkerne Gas & Coke; Creiff Gas-Light; Cromer Gas; Crook Gas; Croydon Gas; Cullen District Gas; Cumnock Gas; Cupor Gas; Dalbeattie Gas Light; Dalkeith Gas Light; Dalry Gas Light; Dartmouth Gas, Coke & Coal; Daventry Gas; Dawlish Gas & Coke; Deal & Walmer Gas; Denbigh Gas & Coke; Denby Dale Gas Light; Derby Gas Light & Coke |