Dowlais | Thames Ironworks F.C. | Thames Ironworks and Shipbuilding Company | Eagle Ironworks, Oxford | Eagle Ironworks | Tannehill Ironworks | Ironworks | ironworks | Gilmanton Ironworks, New Hampshire | Plymouth Ironworks | Næs ironworks in 1848. From ''Norway portrayed in drawings'' by Christian Tønsberg | Ironworks (record label) | Gilmanton Ironworks | Elsecar Ironworks | Cyfarthfa Ironworks | Crowley's Ironworks | Blaenavon Ironworks |
Isaac became a foundryman in Bristol with involvement in the south Wales Dowlais Ironworks and Cyfarthfa Ironworks, and starting the Plymouth Ironworks with John Guest.