| Aqua-Glass Limited | Professional & scientific | 1980 |
| Chance Brothers (Established 1824) Limited | Professional & scientific | 1888 |
| Chance Brothers Limited | Professional & scientific | 1950 |
| Chance Pilkington (1997) Limited | Professional & scientific | 1992 |
| Maenporth Commercial Property Limited | Professional & scientific | 1946 |
| NSG UK Enterprises III Unlimited | Professional & scientific | 2007 |
| NSG UK Enterprises Limited | Professional & scientific | 2005 |
| Pilkington AG Limited | Professional & scientific | 1986 |
| Pilkington AGR (UK) Limited | Professional & scientific | 1988 |
| Pilkington Automotive Limited | Manufacturing | 1993 |
| Pilkington Automotive Management Services Limited | Professional & scientific | 1987 |
| Pilkington Barnes-Hind Holdings Limited | Professional & scientific | 1985 |
| Pilkington Brothers (Queenborough) Limited | Professional & scientific | 1928 |
| Pilkington Brothers (South Wales) Limited | Professional & scientific | 1937 |
| Pilkington Brothers Superannuation Trustee Limited | Professional & scientific | 1949 |
| Pilkington Brothers Unlimited | Professional & scientific | 1987 |
| Pilkington Chile Unlimited | Professional & scientific | 2009 |
| Pilkington Distribution Services Group Limited | Professional & scientific | 1962 |
| Pilkington Europe Investments Unlimited | Professional & scientific | 2008 |
| Pilkington Finance Unlimited | Financial services | 1987 |
| Pilkington Germany Finance Limited | Professional & scientific | 2001 |
| Pilkington Group Limited | Manufacturing | 1894 |
| Pilkington Holywell Limited | Professional & scientific | 1984 |
| Pilkington Ice Unlimited | Professional & scientific | 2007 |
| Pilkington Industrial Estates Limited | Professional & scientific | 1972 |
| Pilkington Investments Germany Unlimited | Professional & scientific | 2008 |
| Pilkington Italy Unlimited | Professional & scientific | 1947 |
| Pilkington Luxembourg Finance (NO. 2) Unlimited | Professional & scientific | 2007 |
| Pilkington Properties Limited | Professional & scientific | 1916 |
| Pilkington Property Developments Limited | Professional & scientific | 1927 |
| Pilkington Quarries Limited | Professional & scientific | 1915 |
| Pilkington Residential Properties Limited | Professional & scientific | 1984 |
| Pilkington UK (NO. 2) Unlimited | Professional & scientific | 2004 |
| Pilkington UK (NO. 3) Limited | Professional & scientific | 2006 |
| Pilkington United Kingdom Limited | Manufacturing | 1979 |
| Ruskin Leisure Limited | Professional & scientific | 1991 |
| Siv/Uk Limited | Professional & scientific | 1989 |
| T. R. Silcock Limited | Agriculture & fishing | 1981 |
| Villamoor Limited | Professional & scientific | 1971 |
| W & W (Glazing) Limited | Professional & scientific | 1957 |