1826 - partnership of Pilkington and Greenall families, based in St Helens, Lancashire using the trading name of St Helens Crown Glass Company.

1845 - firm known as Pilkington Brothers

1894 - incorporated as Pilkington Brothers Limited

1953-1957 - Alastair Pilkington and Kenneth Bickerstaff invented the Float Glass Process

2006 – taken over by Nippon Sheet Glass (NSG) group but continues to use Pilkington name