one part of busines became Todhunter + Elliots (from 1892 century's progress on a wellknown website) -
Todhunter & Elliot, General and Furnishing Ironmongers, &c., 20, Duke Street, Douglas, Isle of Man.

Dating back in its foundation to the year 1801, the commercial development of this, the oldest-established and largest concern of its kind in Manxland, has been both rapid and continuous from the very commencement. In 1862 the business received a powerful impetus through a change in its proprietory, having, at that time, been transferred from the hands of its founder, Mr. Thomas Gelling, to those of Messrs. W. Todhunter and A. Elliot,

Not sure to whom the foundry passed but was a public company in 1889 Gelling’s Iron Foundry Co.,capital £10,000, 36 South quay—secretary Henry Cowin