| Hobart | Albert Richard | Yanga Vale, Kwobrup | 0HQ | 1924 |
| Hobart | Benj. W. | Hill View Woodanming | BU8 | 1924 |
| Hobart | H. B. & A. R. | Lyons Court, Kwobrup, via East Katanning | 4NY and 80C, 12A | 1962 |
| Hobart | S. B. & M. J. | Yanga-Vale, Katanning | 0HQ and 84D, 4E | 1962 |
| Hobart | W. H. | Sunnyfield | H9H | 1912 |
| Hobart | W. H. | Sunnyfield, Carmetieup, Katanning | H9H | 1924 |
| Hobart Bros. | - | Blocks 3284, 2669, 2670, 3285, 3283, 3286, Warren Road, Katanning | 7HO | 1912 |
| Hobart Bros. | - | Blocks 3284, 2669, 2670, 3285, 3283, 3286, Warren Road, Katanning | 7HO | 1924 |
| Hobboy | Alfred Douglas | Fitzgerald Locs. 423 & 743, Circle Valley | H0B | 1926 |
| Hobbs | Albert John | Waternoor, Newtown, Busselton | 3HQ | 1924 |
| Hobbs | C. A. | Carinya, West dale, Beverley | H5A and 33B, 107E | 1962 |
| Hobbs | E. I. | Shackleton Farn Shackleton | 1EQ | 1924 |
| Hobbs | F. | Morbinning, via Beverley | 9UK | 1924 |
| Hobbs | F. J. | Deedining, West Dale, Beverloy | 0OH and 30B, 119E | 1962 |
| Hobbs | Hanna M. R. | Menzies Common, Mahon Stree, Menzies | 7RM | 1927 |
| Hobbs | Henry Talbot | Booloogooro Station Carnarvon | V0B | 1924 |
| Hobbs | V. | Red Gums, Kendenup | V8H and 52F, 46C | 1962 |
| Hobbs | V. L. H. (Mrs) | Deedening 46, K12, 2551, 2552, 1734, West dale, via Beverley | FH5 and 113D, 6E | 1962 |
| Hobbs | W. H. | Hill Park Dale, West dale via Beverley | KT7 and 3C, 28E | 1962 |
| Hobbs | Wm. Thos. | Goninwonjie Farm Dale Beverley | KT7 | 1924 |
| Hobbs & Co. | F. | Morbinning, Beverley | 9UK and 10B, 18A | 1962 |
| Hobbs & Co. | W. C. | Woorbealin, Shackleton | 1EO and 48D, 45E | 1962 |
| Hobbs & Criddle | | Mullewa | H6G | 1928 |
| Hobbs & Son | E. H. | Ingle, Brookton | 7HO and 42B, 50E | 1962 |
| Hobbs & Treherne | W. S. C. & F. G. | Avon Locs. 26766-7-8, 26765 and 24879, Shackleton | 6HT and 113B, 57F | 1962 |
| Hobby | A. D. | Fitzgerald Locs. 423, 422, 426, 596, Circle Valley | H0B and 23A, 46B | 1962 |
| Hobby | A. H. | H. Farm, Ravensthorpe | HA0 | 1912 |
| Hobby | A. H. | Farm, Ravensthorpe | HA0 | 1924 |
| Hobby | M. K. (Mrs) | Loc. Fitzgerald 595, Salmon Gums | KH7 and 28B, 22E | 1962 |
| Hobby | Mary Jane | Loc. 9761, Nyabing | 4ZH | 1924 |
| Hobby & Marley | G. A. & B. | Sunnydale, Belmont | M0H and 114B, 4A | 1962 |
| Hobden & Son | H. E. | Thorndene, Wyalkatchem | HH3 and 50E, 39D | 1962 |
| Hobley | E. C. | Hobley's Farm, Nyabing | 9HY and 27B, 49E | 1962 |
| Hobley | G. T. | Mindarabin, Nyabing | GT9 and 119A, 37B | 1962 |
| Hobley | K. W. | Williams 11486, 12863, Nyabing, East Katanning | KH1 and 27B, 42E | 1962 |
| Hobson | R & M. M. | Locs. 2497, 2499, Courtney, Karridale | 0GH and 117B, 24A | 1962 |
| Hobson | W. R. | 2296, 2298, 4064, Osmington, via Margaret River | H9N | 1962 |
| Hobyknecht | Abel | Broomehill | 4AU | 1924 |
| Hocart | J. H. | Wellington, 15, 16, 17, 19, 35, Wokalup | V3P | 1962 |
| Hocart | J. P. | Wokalup | V3P | 1924 |
| Hockey & Sons | R. | Lindenlea, Emerald Downs, Killara Downs, Gibson | R4H and 104B, 104A | 1962 |
| Hocking | Arthur S. | Hsin Kuan, Tammin | AH5 | 1928 |
| Hocking | Ernest W. | Clearer Terrace, Belmont | KO4 | 1924 |
| Hocking | Fred. | Laurier siding, via Gnowangerup | U8H | 1924 |
| Hocking | H. | Smilie Farm, Wanneroo | H0K | 1912 |
| Hocking | H. | Smillie Farm, Wanneroo | H0K | 1924 |
| Hocking | John | Woodlands, Minnievale | H6O | 1912 |
| Hocking | John | Woodlands, Minnivale | H6O | 1924 |
| Hocking | Joseph | Loc. 9053, Minnivale | 3JU | 1924 |
| Hocking | Norman E. W. | Romany, Toodyay | X4H | 1924 |
