| Westbourne Pastoral Co. | - | Westbourne, York | EW9 and 6B, 19E | 1962 |
| Westbrook | L. S. | Sunny Vale, Newburn | 5UW and 35B, 118A | 1962 |
| Westcott | L. | 103-4, 120, 131, Borholm, via Albany | 4RG and 34C, 80A | 1962 |
| Westcott | L. M. | Plantagenet Locs. 2785, 2741, Part of 2685, Bornholm, via Albany | WL6 and 44C, 104E | 1962 |
| Westcott | R. L. | Clemarg, Torbay | M6D | 1962 |
| Westendale Grazing Co. | - | Westendale, Wagin | WG2 and 42B, 27A | 1962 |
| Wester | D. | 4226 and 565, Denmark | 1DW and 23B, 3E | 1962 |
| Western | Horace | Prairie Lands, Greenhills | 8KW | 1924 |
| Western | W. | Canning Loc. 312, Queens Park | 1WW | 1962 |
| Western | William | Gibb Street, Queen's Park | 1WW | 1928 |
| Western (Capel) Syndicate | - | Western Titanium N. L. Capel | 9WS and 59F, 23D | 1962 |
| Western Ice Coy. | | (Stables), Stirling Street, Perth | W0Y | 1924 |
| Western Ice Coy. Kalgoorlie | - | Kalgoorlie | UE7 | 1924 |
| Westlake | G. A. H. | Debrappy, Mel-bourne Locs. 1826 and 2837, Calingiri | 2TG and 50B, 109E | 1962 |
| Westlake | S. H. & G. | Part Pyrton Estate, Guildford | Q9W | 1924 |
| Westlake & Son | S. H. | Clear View, Wyalkatchem | Q9W and 48D, 34E | 1962 |
| Westlund | J. N. | Ninghan Locs. 1231, 1240, 2624, Kulja | WJ7 and 22B, 84A | 1962 |
| Weston | | Robinson Estate, Albany | 0KW | 1924 |
| Weston | A. | Darling Orchard, Glen Forrest | 1WU | 1962 |
| Weston | A. D. | Prospector, Southern Cross | 0WA | 1912 |
| Weston | A. D. | (Prospector), Southern Cross | 0WA | 1924 |
| Weston | C. V. | Lots 79-80, Meckering | 4YU and 3B, 37E | 1962 |
| Weston | C. V. & H. G. | Avon Location 20402, Meckering | 4YU | 1924 |
| Weston | F. C. | Locs. 4721, 3215, Plantagenet, Porongorups | 7YT and 42D, 43E | 1962 |
| Weston | G. F. | Walering, Dandarragan | 4UU and 10C, 109E | 1962 |
| Weston | J. W. & W. | Victoria Location 4815, Yuna | Q5V | 1924 |
| Weston | L. G. B. | Baileul, Tambellup | L2W | 1912 |
| Weston | L. N. | Sussex Loc. 129, Busselton | 2LW | 1962 |
| Weston | Mrs Ada | Rockhill Farm and Location 6794, Well Farm, Wandin, Binnu, Via Yuna | FR2 | 1924 |
| Weston | S. V. | Vally Farm, Goomalling | HO0 and 16D, 23E | 1962 |
| Weston & Son | T. & M. T. | Braemar, Wialki | T7T and 51F, 80B | 1962 |
| Weston Bros. | - | Springdale, Pickering Brook | J9V | 1924 |
| Westphal | | Bendering, Via Wickepin | F0V | 1924 |
| Westphal | | Sandalook Farm, Quairading | NW2 | 1924 |
| Westphal | | Eden Hills, Corrigin | WQ5 | 1924 |
| Westphal | N. | Sandalook Farm, Quairading | NW2 | 1912 |
| Westralia Trading Coy. | - | Coplow, Bridgetown | 8HX | 1924 |
| Westralian Farmers Limited | - | Midand Abattoirs, Midland | 6WF and 5B, 33E | 1962 |
| Westralian Master Butchers Co-op. Society. Ltd. | - | North Fremantle Abattoirs, 142 William Street, Perth | 1UX | 1924 |
| Westwood Farming Co. | - | West Wood, Wandering | FW7 and 10B, 9E | 1962 |
| Wetherall | | Meckering | CW0 | 1924 |
| Wetherall | Chas. | Meckering, Meckering | CW0 | 1912 |
| Wetherell | | Hill View, West Swan | 3WY | 1924 |
| Wetherell | O. G. & F. R. | Glenfields, Boyanup | MF2 and 84C, 37A | 1962 |
| Wetherly | Leonard M. | Loc. 1818-1822, Sussex, Hither Green | LW1 | 1928 |
| Wetters | | Gullewa | EN5 | 1924 |
| Wetters | Annie | Gullewa | EN5 | 1912 |
| Wetters | E. N. & E. V. | Elouera, Perenjori | WE1 and 42B, 67E | 1962 |
| Wetzig | Hans | C.P. Leases 20627/55, 20628/55, 10584/74, Kunjinn via Wickepin | W1T | 1912 |
| Wever & Ball | - | Cooloongatta, Koorda | U4Q | 1924 |