Thomas Graham and Sons
1936 Thomas Graham and Son was founded in Glasgow as a builders’ merchant.
1959 Thomas Tilling acquired 75 percent of Thomas Graham and Sons, wholesale plumbers merchants and fireplace manufacturers[1]
By 1961 Thomas Graham and Sons was 75 percent owned by Thomas Tilling[2]
1965 Acquired West and Gardam, builders merchants of Yorkshire[3]
By 1983 had become Graham Group