Pillar Engineering
1960 Quiktho (1928) Ltd was renamed Grafton Industrial Securities Ltd
1965 Grafton Industrial Securities was renamed Pillar Engineering Ltd
1970 [[Rio Tinto Co|Rio Tinto== acquired Pillar, which had interest in fabricating aluminium[1]
1985 Principal subsidiaries were: [2]
- Aviation Support - Aviation Engineering and Maintenance, Hants and Sussex Aviation
- Distribution - John Lee (Sacks), Pillar Merchanting and its subsidiaries, The Skipper Group and its subsidiaries
- Engineering - Aeroparts Engineering Co, Andrew Chalmers and Mitchell, Attewell-Mycroshims, Peak Engineering Co, Pillar Seals and Gaskets, Pillar-Wedge Group and its subsidiaries, Pneumatic Components, Walters and Dobson (Aerite), Welding Rods and its subsidiaries.
1986 Welding Rods was sold
1993 Caradon acquired RTZ's Pillar Division[3]