1844-1873 M.R. Matthew Kirtley
1854–1873 North London Railway-LNWR William Adams
1857-1871 LNWR John Ramsbottom designs
1871-1903 LNWR Francis Webb
1873-1893 North London Railway-LNWR John C. Park
1873–1903 M.R. Samuel W. Johnson
1875–1886 L&YR William Barton Wright
1880-1912 LT&SR Thomas Whitelegg & Robert Whitelegg
1886–1899 L&YR John Aspinall
1896-1918 Furness Railway W. F. Pettigrew,
1903-1909 LNWR George Whale
1903-1909 M.R. Richard Deeley
1904–1922 L&YR George Hughes
1909-1920 LNWR Charles John Bowen Cooke
1909–1922 M.R. + 1925–1931 LMS Henry Fowler
1920-1922 LNWR H. P. M. Beames
1923–1925 LMS George Hughes
1932–1944 LMS William Stanier
1944–1945 LMS Charles Fairburn
1945–1947 LMS H.G. Ivatt
Pre Grouping Lancashire & Yorkshire locomotives
Pre Grouping LNWR Locomotives
