Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 135,172 pages of information and 215,041 images on early companies, their products and the people who designed and built them.
Presumably successor to William Plenty and Sons
1830 James and Edward P. Plenty, Agricultural Implement Makers (ploughs) of Market Place and Eagle Foundry, Newbury
1848 Engineers and ironfounders, of Cheap Street, Newbury
1851 James and Edward Pellew Plenty had exhibited a Machine for tarring yarn and a model of a life-boat, of wood and cork, at the 1851 Great Exhibition
Presumably succeeded by Plenty and Pain