| Williams & Co. | H. K. | Studley Park, Dowerin | H5W and 17B, 38E | 1962 |
| Williams & Co. | R. G. | Carinya, Carnamah | WV3 and 11D, 50E | 1962 |
| Williams & Co. | R. T. G. | Piawaning, Piawaning | 9VW and 84C, 32A | 1962 |
| Williams & Hester | - | Korong Station, Mt. Morgans | 0MB | 1925 |
| Williams & Lukes | - | White Springs Station, Port Hedland | L1N | 1928 |
| Williams & Lukes | - | Swallow Cliff Station, Port Hedland | L5Z | 1928 |
| Williams & Millington | - | Lone Hand, Korrelocking | M4W | 1912 |
| Williams & Millington | - | Lone Hand, Korrelocking | M4W | 1924 |
| Williams & Millington | - | Lone Hand, Korrelocking | M4W | 1924 |
| Williams & Son | A. H. | Frewin, Kukerin | VU6 and 21B, 19E | 1962 |
| Williams & Son | D. L. | Dinninup Hill, Dinninup | NW3 and 102D, 45E | 1962 |
| Williams & Sons | H. | Avon 14089, Bon Vista, Mukinbudin | WD1 and 11C, 42A | 1962 |
| Williams Bros. | - | Emu Hill, via Bruce Rock | B2D | 1924 |
| Williams Bros. | - | Murray Locs. 626, 1344 and 390, Waroona | N6W | 1962 |
| Williams Watson & Co. | H. | Kybalup, Cranbrook | J0G | 1912 |
| Williams,Watson & Co. | H. | Kybalup, Cranbrook | J0G | 1924 |
| Williamsbury Ltd. | - | Williambury Station, Carnarvon | M7O and 102C, 116A | 1962 |
| Williamson | A. H. | Holmfirth, Korrelocking | 2DW | 1912 |
| Williamson | A. H. | Holnifirth, Korrelocking | 2DW | 1924 |
| Williamson | B. A. | 1528 and 3087, Cranbrook | 1WA and 32B, 114E | 1962 |
| Williamson | C. C. | P.L. 844/96, Yalgoo | KW4 | 1912 |
| Williamson | C. C. | P.L 844/96, Yalgoo | KW4 | 1924 |
| Williamson | C. E. | Melangata Station, Yalgoo | KW4 | 1925 |
| Williamson | Chas. | Common, Boogardie | C4W | 1912 |
| Williamson | Chas. | Common. Boogardie | C4W | 1924 |
| Williamson | E. | Gulrain, Kondinin | 4EW and 54F, 12C | 1962 |
| Williamson | Emily | Clontoff Road. Lots 9 & 10, Fremantle | 4XW | 1924 |
| Williamson | Frank | Quallilup Lake, Dalyup, Esperance | 7YQ | 1925 |
| Williamson | G. J. | Block 5381, Bowes Estate, Dindiloa via Geraldton | JV2 | 1912 |
| Williamson | G. J. | Block 5381, Bowes' Estate, Dindiloa via Geraldton | JV2 | 1924 |
| Williamson | H. C. | Bokerron Farm, Wagin | 0HC | 1912 |
| Williamson | H. C. | Bokerron Farm, Wagin | 0HC | 1924 |
| Williamson | H. J. | Denmore Downs, Rocky Gully | 9GW and 43C, 71E | 1962 |
| Williamson | Herbert & Francis Hy. | Gladysville, Dalwallinu | U7W | 1924 |
| Williamson | I. V. | MY.1394, 914, 112, Waroona | H2V and 33B, 53F | 1962 |
| Williamson | J. A. | Glen View, Abba River, via Busselton | VX1 | 1962 |
| Williamson | J. G. | Locs. 1426, 1356, Waroona | 7JW and 48B, 9A | 1962 |
| Williamson | J. J. | Mannaflat, East Wickepin | JW9 and 25B, 12A | 1962 |
| Williamson | J. L. | Connemarra, East Wagin | L4W | 1912 |
| Williamson | J. L. | Connemarra, East Wagin | L4W | 1924 |
| Williamson | J. M. | Blue Duck, Harrismith | PW2 and 6C, 24A | 1962 |
| Williamson | L. W. | Lassogowrie, Cranbrook | L4W and 119B, 8E | 1962 |
| Williamson | P. E. | Gobabla, Williams | P2W and 11B, 35E | 1962 |
| Williamson | P. W. & E. G. | Illoura, Gidgegannup | P3W and 43D, 34E | 1962 |
| Williamson | R. | Greenlands, Abba River, via Busselton | LW3 and 105B, 67E | 1962 |
| Williamson | R. B. | Umuna Farm, West Dale, Beverley West | U0V | 1924 |
| Williamson | R. E. | Wairoie, 8403, 8407, 8775, 8848, 8972, Canna | W9E and 45B, 118E | 1962 |
| Williamson | Robert | Pinedale, Dorakin via Wikepin | 5WR | 1912 |
| Williamson | Robt. | Pinedale, Dorakin, via Wickenpin | 5WR | 1924 |
| Williamson | T. G. | Hampton, Kellerberrin | 1TW | 1928 |
