Keasbey and Mattison

of Westminster, London, makers of sectional insulation
- 1934 Turner and Newall acquired a majority interest in the US firm of Keasbey and Mattison, including factories at Ambler, Pennsylavnia and St. Louis, Missouri, USA.
- 1936 Keasbey and Mattison became a wholly owned Turner and Newall subsidiary.
- 1963 Liquidation of Keasbey and Mattison.