| Williams | Thos. S. | Roselyn, via Piawanning | 3VU | 1924 |
| Williams | V. D. | Springhill, Beverley | DV6 and 28B, 47E | 1962 |
| Williams | V. E. & K. E. | Creighton Park, Dandarragan | V1W and 45C, 14A | 1962 |
| Williams | V. R. | 396 over 802 Pt. Lease Kimberley, Cannington | VW1 and 3C, 24A | 1962 |
| Williams | W. | Coolgardie | 6WW | 1912 |
| Williams | W. | Coolgardie | 6WW | 1924 |
| Williams | W. | Bald Hill Farm, Konongorring | XA8 | 1924 |
| Williams | W. E. | No. 14085, Nungarin | W6W and 71D, 54F | 1962 |
| Williams | W. H. | Locs. 2353, 6, 4, Dumbleyung | YW9 | 1924 |
| Williams | W. J. | 1254 (Jerramungup Loc.), Jerramungup | 5WW and 38B, 67E | 1962 |
| Williams | W. M. | The Valley, Rosa Glen | 7WX and 28C, 33A | 1962 |
| Williams | W. O. | Lot 1 Flinders St., Tuart Hill | V1G | 1962 |
| Williams | W. R. | Mimeragarra, Moore River | 7XL | 1912 |
| Williams | W. R. | Mimeragarra, Moore River | 7XL | 1924 |
| Williams | W. T. | Stonelea, Lion Mill | TU9 | 1924 |
| Williams | W. W. | Lowlands Road, Locs. 734-5, Mardella | 2WV | 1962 |
| Williams | Wesley | Latham | VW9 | 1924 |
| Williams | William H. | Avon Locs. 20064 & 22449, Newcarnie | 8QG | 1925 |
| Williams | William Hunter | Fitzgerald Loc. 610, Circle Valley | W6W | 1926 |
| Williams | WM | Ashburton Downs, Onslow | WW5 | 1924 |
| Williams | Wm. | Ashburton Downs, Onslow | WW5 | 1912 |
| Williams | Z | Wongan Hills, Globe Hotel, Perth | ZW1 | 1924 |
| Williams | Z. | Wongan Hills, Globe Hotel, Perth | ZW1 | 1912 |
| Williams & Co. | E. L. | Victoria 4095-6-7 Victoria Loc. 343, Pintharuka and Dongara | XW5 and 37B, 42E | 1962 |
| 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 |
