J. Caird & Co , Greenock ... Builders of the Alf. Established in 1828 by John Caird. James Tennon Caird joined the company in 1831, later left to join Randolph Elder & Co, rejoined company in 1838. In 1916 the company was taken over by Harland & Wolff, but continued to trade as a seperate concern until 1922.