| Strahan & Co. | H. E. | Roslyn, Kulja | E1U and 84B, 4E | 1962 |
| Strahan & Strahan | - | Eastleigh, Koorda | 2SN and 6C, 9A | 1962 |
| Straiton | Mrs J. | Waddie Waddie, Coorow | U6Z | 1924 |
| Straiton | T. & B. | Hursley Park, Winchester | U6Z and 29B, 24A | 1962 |
| Straker | C. M. | Hammersley and Coolanynich Stations, Roebourne | H7S | 1912 |
| Straker | C. M. | Hammersley and Coolanynich Stations, Roebourne | H7S | 1924 |
| Stranbe | J. E. | Spring Valley, Darken | SE8 | 1924 |
| Stranch | Fred G. | Kanowna | YS6 | 1924 |
| Strang | D. G. | Ravensdene, Kirup | 6SK and 43B, 38A | 1962 |
| Strang | Eric O. | Blairgowrie, North Dandalup | E0S | 1928 |
| Strang | R. F. | Westmere, Serpentine | SZ2 and 41D, 118E | 1962 |
| Strange | A. | Oaklank Valley, Beverley | 1AS and 34B, 14A | 1962 |
| Strange | A. Jun | Rocky Pool, Beverley | 1AS | 1924 |
| Strange | A. jun. | Rocky Pool, Beverley | 1AS | 1912 |
| Strange | A. R. | Wattle Grove, West Beverley | AS9 and 10B, 17E | 1962 |
| Strange | Andrew sen. | Hillside Dale, Beverley | AS9 | 1912 |
| Strange | Andrew. Sen. | Hillside Dale, Beverley | AS9 | 1924 |
| Strange | F. | West Dale, Beverley | 3FS and 28D, 22E | 1962 |
| Strange | Fredk. | Oakland Valley, Beverley | 3FS | 1912 |
| Strange | Fredk. | Oakland Valley, beverley | 3FS | 1924 |
| Strange | J. H. | Homeloose, Beverley | XL2 and 44C, 46E | 1962 |
| Strange | M. E. | Woodanilling | JY3 | 1924 |
| Strange | Percy | Loc. 16821, Yarding, via, Bruce Rock | P6A | 1924 |
| Strange | Pharoah | Boyadine Farm,Beverley | ZS3 | 1912 |
| Strange | Pharoah | Boyadine Farm, Darkan | ZS3 | 1924 |
| Strange | R. A. | Oak Hill, West Brookton | 8RS and 4B, 110A | 1962 |
| Strange | R. E. | Clover Springs, West Dale, via Beverley | HS9 and 10B, 12E | 1962 |
| Strange | R. J. | Oakhill Farm, Dale, via Beverley | XS& | 1924 |
| Strange | R. J. | Riverview Farm, Beverley | XS7 and 37D, 56F | 1962 |
| Strange | Richard | Daniper Flat, Boddington | RS1 | 1927 |
| Strange | Wm. | Wattle Valley Dale, Beverley | 4ST | 1912 |
| Strange | Wm. | Wattle Valley Dale, Beverley | 4ST | 1924 |
| Strange & Son | P. A. | Cotswold, Bruce Rock | P6A and 41D, 33E | 1962 |
| strassburg | C. | Waterous Mill, Yarloop | CS6 | 1924 |
| Strassburg | C. M. | Waterous Mill, Yarloop | CS6 | 1912 |
| Strassener | M. | Homebush, Cookernup | MS5 | 1912 |
| Strassener | M. | Homebush, cookernup | MS5 | 1924 |
| Stratford | F. M. S. | Loc. 15733, Wyalkatchem | ST6 and 18D, 56F | 1962 |
| Stratford | Herbert G. | Lake View, Lake Brown, via Nungarin | XT4 | 1924 |
| Stratford & Son | S. E. | Avon Locs. 17024, 15752, 26517, 16478, 15751, 10852, Wyalkatchem | S3S and 22C, 112E | 1962 |
| Stratford & Son | S. E. | Avon 17024, 15752, 26517, Wyalkatchem | S3S and 22C, 112E | 1962 |
| Stratford Bros | - | Lawlers, Leonora | 9JS | 1924 |
| Stratford Bros. | - | Lawlers, Leonora | 9JS | 1912 |
| Strathalbyn Farm Co. | - | Strathalbyn Farm, Kellerberrin | GZ9 and 28B, 102A | 1962 |
| Stratton | J. P. | Goulbourn Valley Farm, Kunjinn | GV2 | 1912 |
| Stratton | J. P. | Goulbourn Valley Farm, Dowerin | GV2 | 1924 |
| Stratton | J. P. | Janebrook Loc. 927-8, 1740, Middle Swan, Miling | 7JS and 59F, 9D | 1962 |
| Stratton | J. P. (jnr.) | Kentuckey, Mokine | 9PS and 26B, 34A | 1962 |
| Stratton | R. E. | Avon 1412, 1766, 1803, 2041, 16509-10-1, Northam | SR4 and 42B, 110E | 1962 |
| Stratton | T. G. | Flat Rock, Wongimine, via Northam | TS4 and 34D, 71E | 1962 |
