active 1889-1969, manufacturer of engines, cranes and excavators, Hull, England

1969 - Priestman Brothers was taken over by Steel Group.

1972 - Steel Group was taken over by Acrow Group.

1984 - the Priestman Division was sold to the Sanderson Group.

1990's - Priestman Operations were sold to RB Cranes and were then taken over by taken over by NEI Group and merged with Coles Cranes of Sunderland, and began building offshore cranes for North Sea oil rig platforms.

I2012 - what is left of Priestman trades in Bradford under its current owner, Gardner Denver, and no longer manufatures cranes or excavators.