Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,946 pages of information and 233,606 images on early companies, their products and the people who designed and built them.
Thomas Longridge (c.1751-1803), variously described as a merchant of Sunderland, an ironmaster of Newcastle, or of Gateshead
1770s Thomas Longridge formed a partnership with his brother-in-law, William Hawks, which became William Hawks (Snr) and Co. They acquired a plating forge at Beamish in 1779, additional smithing shops at Ouseburn in 1780, a forge at Lumley (Lumley Forge?) in the mid-80s, and slitting and rolling mills on the River Blyth in the 1790s .
1782 The brothers-in-law took over the Bedlington Ironworks on the River Blyth.
1792 Hawks and Longridge built a rolling mill at Bedlington
1801 Thomas Longridge, merchant, Westgate St, Newcastle-upon-Tyne 
1803 Thomas died