| Crisp | J. H. | Halls Creek | 7TT | 1924 |
| Crisp, | J. S. | Loc. 1581 Esperance | S7C and 7B, 67A | 1962 |
| Cristenelli Bros. | - | Woodland, Tambellup | 6CR and 17C, 19A | 1962 |
| Critch | K. J. | Studbrook, Indarra | C1K and 34D, 41E | 1962 |
| Critch | L. J. | Wolga Farm, Tenindewa | LC9 | 1912 |
| Critch | L. J. | Wolga Farm, Temindewa | LC9 | 1924 |
| Critchison | J. L. | Southbourne, Boscombe, Narembeen & Albany | 5LC and 16C, 109A | 1962 |
| Critchley | A. | Atherleigh, Lake King | 3CA and 46C, 8E | 1962 |
| Critchley | A. & H. | 1596, 1599, Lake King | 2AH and 13B, 115E | 1962 |
| Critchley | W. | Emsleigh, Roe Loc. 1528, 1600, lake King | CV8 and 118A, 17B | 1962 |
| Critchson | J. L. | Southbourne and Boscombe, Narembeen and Albany | 5LC and 16C, 109A | 1962 |
| Crock | Hy. jun. | Millars' Timber Reserve, Kirrup | H5C | 1912 |
| Crock | Hy. jun. | Millars Timber Reserve, Kirup | H5C | 1924 |
| Crocker | A. E. | Booanya, Balladonia, via Norseman | 3AK | 1962 |
| Crocker | E. & A. | Uringa, Muradup | 2CW and 39D, 17E | 1962 |
| Crocker | J. T. | H. F. 8621/74, Nangeenan | CR6 | 1912 |
| Crocker | J. T. | H/F. 8621/74, Nangeena | CR6 | 1924 |
| Crocker Bros. | - | Loc. 9966, Wayuin | KX0 | 1924 |
| Crockett | Peter | Melbourne Loc. 2131 and 2137 Hillside, Namban via Moora | PT4 | 1912 |
| Crockett | Peter | Melb. Loc. 2131, 2137, Hillside, Nambau | PT4 | 1924 |
| Crockett | Tom | Yarloop | 9QC | 1924 |
| Croft | Augustus F. L. | Asuabruck, Moora | UA3 | 1924 |
| Croft | F. W. | Millbrook Farm, Albany | 5YF | 1962 |
| Croft | Frederick | Moora | FG1 | 1927 |
| Croft & Hobson | J. G. & J. H. | Flaxburn Farm, Brookton | O2R | 1924 |
| Crofts | H. R. | Gufield, Margaret River, Busselton | K0F | 1924 |
| Crogan | C. J. | Avon Loc. 24983, Tammin | TC9 and 6C, 106E | 1962 |
| Crogan | Jas. J | Milgun Station, Peak Hill | CRS | 1912 |
| Crogan | Jas. J. | Bamboo Springs | CR0 | 1924 |
| Crogan | Jas. J. | Milguu Station, Peak Hill | CR8 | 1924 |
| Crogan | T. P. & D. M. | Anchordale, Nungarin | 1CB and 38B, 25A | 1962 |
| Croker | W. G. | Springbrook Farm, East Pingelly | W5O | 1924 |
| Cromack | Hy. | Scotsdale, Demark | K8K | 1924 |
| Crombie | A. & E. M. | Hillcrest Avon 10017, 10019, Bilbarin | 5AC and 59F, 7D | 1962 |
| Crombie | A. L. | Osborne Farm, Korrelocking | 8LC | 1924 |
| Crombie | D. L. | 18919 & 21236, Bilbarin | D1C and 106A, 47B | 1962 |
| Crombie | Jack | Hillhead Farm, Bilbarin | K90 | 1924 |
| Crombie | K. O. | Alamein, Pemberton | K3G | 1962 |
| Crombie | N. C. | Plant. Torbay 67 Elleker 6775, Albany | NC8 105B, 104A | 1962 |
| Crombie | O. I. | Nelson Loc. 3720 Mullalyup | O1C | 1962 |
| Crombie | R. W. | Hillhead, Bilbarn | Z1P and 38C, 52F | 1962 |
| Crombie, Crombie & Naismith | - | Kanowna Station, Kalgoorlie | 5GT and 18B, 40A | 1962 |
| Cromwell | Chas | Beaconsfield, Freemantle | C0C | 1912 |
| Cromwell | Chas. | Beaconsfield, Fremantle | C0C | 1924 |
| Cromwell | H. S. | 40 Martha Street, Beaconsfield | C0C and 3C, 6A | 1962 |
| Cronin | C. D. | Mallepeak Loc. 9380, 10744, 11348, Bullock Hills, via Katanning | N2U and 27B, 109E | 1962 |
| Cronin | David | Rosella, Bodallin | 2DZ | 1924 |
| Cronin | E. M. | Peringa Farm, Katanning | EC3 | 1912 |
| Cronin | E. M. | Peringa Farm, Kattanning | EC3 | 1924 |
| Cronin | H. E. | 26068/26069/26070, Merredin | M7B and 31B, 48E | 1962 |
