| Hope & Morton | - | Avon Locs. 22847, 23361 & 24746, Narembeen | H7M | 1926 |
| Hopkins | C . J . | Coreen, Narrikup | CH1 | 1962 |
| Hopkins | E. C. | Albany Highway, Victoria Park | X6H | 1924 |
| Hopkins | Edw. | Richmond Dairy, Queen's Park | EH6 | 1912 |
| Hopkins | Edw. | Richmond Dairy, Queens Park | EH6 | 1924 |
| Hopkins | H . R . | Gleutana, Harvey | H0K and 15A, 47B | 1962 |
| Hopkins | J | Swan Loc. 1581, Wanneroo | 6JH and 108B, 113E | 1962 |
| Hopkins | J . C . | Preston A.A. Lot No. 277/8, Donnybrook | S9S and 30B, 113E | 1962 |
| Hopkins | J . W . | 12402, 10070, 10071, 10081, 10082, Kulin | WH5 and 19D, 40E | 1962 |
| Hopkins | P. & P. | Gaston Springs, Cadoux | HB7 and 24A, 23B | 1962 |
| Hopkins | R . E . | Cloverlea, Meekering | HT4 and 7C and 17E | 1962 |
| Hopkins | R. W. C. | Fern Hollow, Collie | R3Q | 1924 |
| Hopkins | Tregilgas | Homestead, Meckering | HT4 | 1912 |
| Hopkins | Tregilgas | Homestead, Meckering | HT4 | 1924 |
| Hopkins | W . | Sussex Loc. 2321, Busselton | W1H and 103D, 39E | 1962 |
| Hopkins | W . E . | Breaside, Meckering | 8HE and 48B, 53F | 1962 |
| Hopkins | W . H . | 7 Mile Well, Melbourne Loc. 3061, Wongan Hills | 8WH and 45B, 106E | 1962 |
| Hopkins & Co. | J. M. | Rockingham, Guildford, and W.A. Stock Bazaar, Perth | H0P | 1912 |
| Hopkins & Co. | J. M. | Rockingham, Guildford, and W.A. Stock Bazaar, Perth | H0P | 1924 |
| Hopkins & Sharp | - | Rifle Downs, Hillman River | H8S | 1912 |
| Hopkins & Sharp | - | Rifle Downs, Hillman River | H8S | 1924 |
| Hopkins & Sons | - | Grofta, Busselton | XH2 | 1962 |
| Hopkins & Wilson | A. & H. V. | Avon Loc. 15632, Hines Hill | HQ1 | 1924 |
| Hopkinson | W. B. T. | Coyrup, Katanning | W2H | 1912 |
| Hopkinson | W. B. T. | Coyrup, Katanning | W2H | 1924 |
| Hopkinson & Cumming | - | Dookaling, Round Hill, via Moora | N9G | 1924 |
| Hopson | A. Jos. | Sunnyside, Lower Kalgan River | V2H | 1924 |
| Hopson | Percy Wm. | Hazel Hill, Denmark | 9XH | 1924 |
| Hopson | Thos. | Woodbine Farm, Mogumber | 6XO | 1924 |
| Hopwood | B . W . G . | Gnylbencubbing, Bencubbin | 0LU and 9D, 23E | 1962 |
| Hopwood | B. W. G. | Pine Farm, Mt. Marshall | 8LO | 1924 |
| Horan | Alex. I. | Ogilvie, via Geraldton | KH0 | 1924 |
| Horan | Kate | P.O. Doodlakine | KH0 | 1912 |
| Horan | W. & J. | Ox Home, Malcolm | 0IX | 1912 |
| Horan | W. & J. | Ox Home, Malcolm | O1X | 1924 |
| Horan | W. H. J. | Railway Station, Gingin | W6H | 1912 |
| Horan | W. H. J. | Railway Station, Gingin | W6H | 1924 |
| Horan Bros. | - | Glenorn, Mt. Malcolm | 0RN | 1912 |
| Horan Bros. | - | Oxendale, Kalgoorlie | AX8 | 1924 |
| Horbury | R. T. | Nambadilling, via Wickepin | H8O | 1924 |
| Hordacre | D . E . | Hay Loc. 731 ans Plant Loc. 6149, Tenterden and Woogenellup | DH8 and 120A, 4C | 1962 |
| Hordacre | J | Simla, Tenterden | 7EH and 3B,119E | 1962 |
| Hordacre | L . F . G . & I . J . | El Dorado, Tenterden | L9H and 50B, 107A | 1962 |
| Hordacre | L . G . | Jaffa, Tenterden | HZ6 and 21C, 18A | 1962 |
| Hordacre | O. E. | Watervale Farm, Tenterden | O5H | 1924 |
| Hordacre | T . L . | Hay Loc. 791, Tenterden | T2H and 8B, 110A | 1962 |
| Hore | D . S . & I . M . | Austinlea, Katanning | D7H and 20B, 23A | 1962 |
| Hore | Herbert Reuben | Woodbine, via Balingup | K2V | 1924 |
| Hore | R . J . | Woodbine, Balingup | K2V and 57F, 13B | 1962 |
| Horgan | J. C. | Red Forrest Farm, Kwelkan | V0H | 1924 |
