| Description | Arundel gas co; Ascot district gas & electricity co; Ash-next-Sandwich Gas Light, Coal & Coke Co; Ashby-de-la-zouch Gas Co; Ashton Gas Co; Aspatria Gas Light Co; Aspley Guise & Woburn Sands Gas Co; Associated Gas & Water Undertakings; Assocated Utilities; Atherstone Gas Light & Coke Co; Auchinleck Gas Light Co; Auchterarder Gas Light Co; Auchtermuchly Gas Co; Aylesbury Gas Co; Ayr Gas Co; Ayton Gas Co; Banbury Gas Light & Coke Co; Banchory Gas Light Co |