Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,535 pages of information and 233,960 images on early companies, their products and the people who designed and built them.
Part of the Dowsett-Mackay Organisation
1943 Took over the old shipyard at Dinas, Port Dinorwic. Prefabricated steel sections were brought from Lowestoft (ie Brooke Marine) and assembled into flat-bottomed, all-rivetted tugs about 50 ft long with a single-screw petrol engine. These boats known as Unicraft. They had a small open wheelhouse at the rear and were used for towing 60 ft barges (also made at Port Dinorwic). These were used as supply boats in the Persian Gulf waterways. There was a later 55 ft version with twin screws. 
1961 Planned development of an ironstone quarry near Peterborough for Richard Thomas and Baldwins (Mineral Recovery) Limited
1967 Developed a motorway service station at Selby Fork, Tadcaster, Yorkshire
1987 Company voluntarily wound up