Pilkington
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![The distinctive blue Pilkington's Head Office, a Grade II listed building constructed in 1959–63 designed by Maxwell Fry and Jane Drew](/Images/godic/202502/17/PilkingtonHeadOfficeStHelens3715.jpg")
![Steam rises from](/Images/godic/202502/17/StHelensPilkingtonsTheHotties3715.jpg")
![Pilkington Floatglass factory in Halmstad](/Images/godic/202502/17/Pilkington_Floatglas,_Halmstad3715.jpg")
Pilkington Group Limited is a multinational glass manufacturing company headquartered in St Helens, United Kingdom and a wholly owned subsidiary of the Japan-based NSG Group. Prior to its acquisition by NSG in 2006 it was an independent company listed on the London Stock Exchange and for a time was a constituent of the FTSE 100 Index.