John Round, Tudor Works, No. 6 Tudor Street

Stanley, Bellamy and Co., ironfounders, Midland Works, Savile Street

Naylor, Vickers and Co., River Don Works (Millsands)

John Henry Andrew and Company, Toledo Steel Works, Neepsend Lane

George Wilkin, Palmerston Works, Broad Lane/Garden Street

James Dixon and Son, Cornish Place Works, Cornish Street, advertisement from 1825

Naylor, Vickers and Co., Millsands Steel Works, Offices in Bridge Street

Middlewood Steel Works

Robert King, engraver, Surrey Works, No. 121 Granville Street, letterhead dated March 28th, 1859

Steel Converting Furnace, Holly Street