Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,402 pages of information and 233,863 images on early companies, their products and the people who designed and built them.
of Wreath Quay Engineering Works, Sunderland. Same as Wreath Quay Iron Works?
Also listed as MacColl and Co
1895 Business traded as MacColl and Pollock
1903 Incorporated as MacColl and Pollock Limited
1914 Marine Engineers and Boiler Makers. Specialities: Supplying and Fitting Marine Engines and Boilers, Repairing Ships and Machinery. Employees 500. 
1922 Managing Director: Gilbert R. Pollock.
1935 Voluntary liquidation.