| George Bedford | 1847-1908 | Manager of Crown Preserved Coal Company Limited | J 1226 |
| Thomas Joseph Callaghan | 1858-1935 | Colliery Owner | D 1293a/D 1294a |
| Richard Cory | 1830-1914 | Colliery Owner | L 1481 |
| Frederick Ridge Greenhill | 1830-1910 | Roath castle / Colliery Proprietor | L 373 |
| Archibald Hood | 1823-1902 | Colliery Owner | M 536 / M 559 |
| Robert Hooper | 1847-1906 | Coedcae Coal Co & Lewis Merthyr Consolidated Collieries | J 936 |
| Rees Jones | 1834-1905 | Director of the Ocean Coal Company | Y 503 |
| Thomas Jones | 1828-1905 | Ynyshir Colliery Owner | L 1365/L 1384 |
| James Corey Marychurch | 1806-1881 | Principal proprietor Bwllfa Colliery Company | M1729 |
| James Miles | 1857-1941 | United National Collieries Director | VL 73 |
| Moses Morgan | 1845-1885 | Naval Steam, Penygraig & Garw Collieries Managing Partner | M 670/M697 |
| Colonel Charles Harrison Page | 1826-1897 | Coal and Iron Exporter | I 988 |
| John Osbourne Riches | 1827-1886 | Cambrian Colliery Owner & Founder | L 704/L 731 |
| Osborne Henry Riches | 1842-1887 | Cambrian Colliery Owner & Founder | L 704/L 731 |
| Sir William James Thomas | 1867-1945 | Coalowner | P 955a |
| Antonio Trifone Count of Luchovich | 1832-1911 | Shipowner & Colliery Owner | R 45 |