| 1.
| PQ SILICAS BV |
🇳🇱 Eijsden, Netherlands |
1 |
| 2.
| PQ Silicas Limited |
🇬🇧 Barnsley, United Kingdom |
1 |
| 3.
| PQ Silicas UK Limited |
🇬🇧 Warrington, Cheshire, United Kingdom |
3 |
| 4.
| PQ SILICAS UK LIMITED |
🇬🇧 CHESHIRE, United Kingdom |
4 |
| 5.
| PQ Silicas UK Limited |
🇬🇧 Barnsley, South Yorkshire, United Kingdom |
1 |
| 6.
| PQ Silicas UK Limited |
🇬🇧 South Yorkshire, United Kingdom |
1 |
| 7.
| PQ SOLUTIONS LIMITED |
🇬🇧 London, United Kingdom |
14 |
| 8.
| PQSecure Technologies, LLC |
🇺🇸 Boca Raton, FL, United States |
22 |
| 9.
| PQShield Ltd |
🇬🇧 Oxford, United Kingdom |
9 |