| Dinorwic quarries United Kingdom of Great Britain and Northern Ireland | 2 | 100.0 % | | 2 |
| Castleberg Crag United Kingdom of Great Britain and Northern Ireland | 2 | 100.0 % | | 2 |
| Tighnabruaich Viewpoint United Kingdom of Great Britain and Northern Ireland | 2 | 0.0 % | | 2 |
| 5 United Kingdom of Great Britain and Northern Ireland | 2 | 0.0 % | | 2 |
| Australia Slate Quarries United Kingdom of Great Britain and Northern Ireland | 2 | 100.0 % | | 2 |
| Bowens Parlor West United Kingdom of Great Britain and Northern Ireland | 2 | 0.0 % | | 2 |
| Upper Pentrewen United Kingdom of Great Britain and Northern Ireland | 2 | 50.0 % | | 1 |
| Graymare Slabs United Kingdom of Great Britain and Northern Ireland | 2 | 100.0 % | | 2 |
| paviland United Kingdom of Great Britain and Northern Ireland | 2 | 0.0 % | | 1 |
| Kirrie Muir United Kingdom of Great Britain and Northern Ireland | 2 | 100.0 % | | 2 |
| telegraph hole United Kingdom of Great Britain and Northern Ireland | 2 | 100.0 % | | 2 |
| Ewenny United Kingdom of Great Britain and Northern Ireland | 2 | 0.0 % | | 2 |
| Millstone Edge United Kingdom of Great Britain and Northern Ireland | 2 | 50.0 % | | 1 |
| Erigde green United Kingdom of Great Britain and Northern Ireland | 2 | 0.0 % | | 2 |
| Cornice wcj United Kingdom of Great Britain and Northern Ireland | 2 | 0.0 % | | 2 |
| Horse Shoe, Honister Pass United Kingdom of Great Britain and Northern Ireland | 2 | 0.0 % | | 2 |
| Tighnabruaich United Kingdom of Great Britain and Northern Ireland | 2 | 0.0 % | | 2 |
| Llandullas United Kingdom of Great Britain and Northern Ireland | 2 | 100.0 % | | 2 |
| Filey Brigg United Kingdom of Great Britain and Northern Ireland | 2 | 100.0 % | | 2 |
| Rothley United Kingdom of Great Britain and Northern Ireland | 2 | 0.0 % | | 2 |
