James and Edward Plenty
Presumably successor to William Plenty and Sons
1830 James and Edward P. Plenty, Agricultural Implement Makers (ploughs) of Market Place and Eagle Foundry, Newbury[1]
1848 Engineers and ironfounders, of Cheap Street, Newbury[2]
1851 James and Edward Pellew Plenty had various exhibits including a life-boat, of wood and cork, at the 1851 Great Exhibition
Presumably succeeded by Plenty and Pain