The Commercial Gas Company served much of East London from 1839-1949.
Founded in 1837, the company began the manufacture of gas in 1839 in Stepney.
They absorbed the following companies:
- Poplar Gas & Light Company (1850)
- British Gas & Light Company, Stepney (1852)
- West Ham Gas Company (1855) (the part of the company serving Middlesex)
- Ratcliffe Gas Light & Coke Company (1875)
By 1949 the area of supply of the Commercial Gas Company was 7 square miles in Poplar, Stepney and parts of Bethnal Green and Essex. In that year the gas industry was nationalised and the company was absorbed into the new North Thames Gas Board.