William Simons and Co
From Graces Guide
William Simons and Co Ltd, ship and dredger builders, of Renfrew, Scotland. W. Simons and Co built engines for ships.
1810 Company established.
1819 Fingal was built by William Simons and Co, Greenock; 100 horse-power, 202 tons; for Belfast trade.
1886 Andrew Brown became the controlling partner of William Simons and Co, a major dredger builder. Andrew Brown managed the yard along with William Simons, Junior and Walter Simons; he was a respected designer of dredging equipment. Brown's innovations led to a long association with the Clyde Navigation Trust.
1888 Built the steel screw steamer 'Trieste C'. 
1889 See 1889 Shipbuilding Statistics for detail of the tonnage produced.
1900 Stern Well Hopper Dredger. Details and illustration in The Engineer.  The company was registered on 11 December, to acquire the business of shipbuilders and engineers of a company of the same name. 
1901 First minute books and ledgers in archive.
1902. Death of William Simons, founder. 
1925 See Aberconway for information on shipbuilding h.p produced in 1904 and 1925.
1959 Formation of Simons-Lobnitz