National Gas Engine Company 1890 - 1932
- Ashton-under-Lyne, Tameside, Greater Manchester, England, United Kingdom
1890 - The National Gas Engine Company founded by Henry M. Bickerton at Wellington Works, Ashton-under-Lyne, Lancashire. manufacturing engines to run on town gas.
1932 - became the National Gas and Oil Engine Company;
1930s? - taken over by the successors of Mirrlees-Bickerton & Day Limited;
1966 - changed name to Mirrlees National;
1977 - became Mirrlees-Blackstone, part of Hawker Siddeley