| Rose | Percy | Moorlands | Buick | BB ● 12 | Bunbury Road Board | 1924-25 |
| Rose | Percy | Moorlands | Buick | BY ● 12 | Bunbury Road Board | 1927-28 |
| Rose | R. H. | - | Buick 15-18 H.P. | DA ● 4 | Dardanup Road Board | 1917-18 |
| Rose | R. H. | - | Buick 18 H.P. | DA ● 4 | Dardanup Road Board | 1919 |
| Rose | R. H. | Burekup | Buick 18 H.P. | DA ● 4 | Dardanup Road Board | 1922-23 |
| Rose | R. H. | Burekup | Buick 18 H.P. | DA ● 4 | Dardanup Road Board | 1923-25 |
| Rose | R. H. | Burekup | Buick | DA ● 4 | Dardanup Road Board | 1924-25 |
| Rose | R. H. | Burekup | Buick | DA ● 4 | Dardanup Road Board | 1925-26 |
| Rose | R. H. | Burekup | Buick | DA ● 4 | Dardanup Road Board | 1926-27 |
| Rose | R. H. | Burekup | Buick | DA ● 4 | Dardanup Road Board | 1927-28 |
| Rose | S. C. | Capel | Chevrolet | CP ● 92 | Capel Road Board | 1927-28 |
| Rose | S. C. (Junr) | Capel | Ford | CP ● 6 | Capel Road Board | 1922-23 |
| Rose | S. C. Jnr | Capel | Ford | CP 6 | Capel Road Board | 1923 - 1924 |
| Rose | T. L. | - | Buick 15-18 H.P. | DA ● 2 | Dardanup Road Board | 1917-18 |
| Rose | T. L. | - | Buick 18 H.P. | DA ● 2 | Dardanup Road Board | 1919 |
| Rose | T. L. | Burekup | Buick 18 H.P. | DA ● 2 | Dardanup Road Board | 1922-23 |
| Rose | T. L. | Burekup | Buick 18 H.P. | DA ● 2 | Dardanup Road Board | 1923-24 |
| Rose | T. L. | Burekup | Dodge | DA ● 3 | Dardanup Road Board | 1924-25 |
| Rose | T. L. | Burekup | Dodge | DA ● 2 | Dardanup Road Board | 1925-26 |
| Rose | T. L. | Burekup | Dodge | DA ● 3 | Dardanup Road Board | 1926-27 |
| Rose | T. L. | Burekup | Dodge | DA ● 3 | Dardanup Road Board | 1927-28 |
| Rose | T. L. | Burekup | Ford Truck | DA ● 92 | Dardanup Road Board | 1927-28 |
| Rose | V. | Toodyay | Ford | T ● 40 | Toodyay Road Board | 1927-28 |
| Rose | W. | Fitzgerald Street, North Perth | GarFord Wagon | 1568 | Metro Private Car | 1927-28 |
| Rose | W. A. | Roelands | Overland | H ● 34 | Harvey Road Board | 1922-23 |
| Rose | W. A. | Roelands | Overland | H ● 34 | Harvey Road Board | 1923-24 |
| Rose | W. A. | Roelands | Overland | H ● 34 | Harvey Road Board | 1924-25 |
| Rose | W. A. | Roelands | Overland | H ● 34 | Harvey Road Board | 1925-26 |
| Rose | W. C. | Watheroo | Chevrolet Truck | M ● 145 | Moora Road Board | 1926-27 |
| Rose | W. C. | Watheroo | Chevrolet Truck | M ● 145 | Moora Road Board | 1927-28 |
| Rose | W. F. | 17 Thompson Road, North Fremantle | Buick | 5002 | Metro Private Car | 1924-25 |
| Rose | W. F. | 17 Thompson Road, North Fremantle | Buick | 5002 | Metro Private Car | 1925-26 |
| Rose | W. L. | 50 Kingston Avenue | Indian 5-6 H.P. | P 228 | Perth Municipality | 1919 |
| Rose Produce Co | - | 106 James Street, Perth | Ford | 5523 | Metro Private Car | 1925-26 |
| Rose Produce Co | - | 106 James Street, Perth | Garford | 10298 | Metro Hire or Trade | 1926-27 |
| Rose Produce Co | - | 106 James Street, Perth | Ford | 5523 | Metro Private Car | 1926-27 |
| Rose Produce Co | - | James Street, Perth | Vulcan Wagon | 2927 | Metro Private Car | 1927-28 |
| Rosel | J Senr | Collie | Dodge | CO ● 40 | Collie Road Board | 1927-28 |
| Rosel | J. | Collie Suburban | Triumph Motorcycle | CO ● 3 | Collie Road Board | 1922-23 |
| Rosel | J. | Collie | Dodge | CO ● 40 | Collie Road Board | 1925-26 |
| Rosel | J. W. | Collie | Overland | CO ● 25 | Collie Road Board | 1924-25 |
| Rosel | J. W. | Collie | Overland | CO ● 25 | Collie Road Board | 1925-26 |
| Roselea Nursery | - | Osborne Park | Ford Truck | P ● 39 | Perth Road Board | 1924-25 |
| Roselea Nursery | - | Osborne Park | Ford Truck | P ● 39 | Perth Road Board | 1925-26 |
| Roselea Nursery | - | Osborne Park | Ford Truck | P ● 39 | Perth Road Board | 1927-28 |
| Roseman | E. H. | 51 Victoria Avenue, Claremont | Ford | 4809 | Metro Private Car | 1926-27 |
| Roseman Lake View & Star | E. C. | - | Austin | K ● 107 | Kalgoorlie Road Board | 1926-27 |
| Rosemore | D. | 146 Raglan Road | Rudge 3½ H.P. Motorcycle | P 1097 | Perth Municipality | 1917-18 |
| Rosen | Mark | 60 Queen's Crescent, Mount Lawley | Chrysler | 1336 | Metro Private Car | 1927-28 |
| Rosenberg | - | Broome | Dort | BM ● 52 | Broome Road Board | 1925-26 |