| Phipps | Walter J. | Coade Street, South Perth | Excelsior & Sidecar | 1078 | Metro Motorcycle | 1922-23 |
| Phlilips | W. | 61 Mary Street, Perth | Studebaker | 7680 | Metro Private Car | 1927-28 |
| Phoebe | J. C. | Wickepin | Ford | WK ● 129 | Wickepin Road Board | 1925-26 |
| Phoebe | J. C. | Wickepin | Ford | WK ● 129 | Wickepin Road Board | 1927-28 |
| Phoebe | W. | Tinkurrin | Ford Truck | WK ● 129 | Wickepin Road Board | 1926-27 |
| Phoenix | C. R. | 1110 Hay Street, Perth | Rugby | 13035 | Metro Private Car | 1926-27 |
| Phoenix | C. R. | Suburban Road, South Perth | Rugby | 14280 | Metro Private Car | 1927-28 |
| Phoenix Ass Co | - | William Street, Perth | Ford | 8240 | Metro Private Car | 1926-27 |
| Phoenix Ass Co Ltd | - | Milligan Street, Perth | Ford | 9037 | Metro Private Car | 1926-27 |
| Phoenix Ass. Co | - | William Street, Perth | Ford | 8240 | Metro Private Car | 1925-26 |
| Phoenix Assn. Co Ltd | - | Millican Street, Perth | Ford | 9037 | Metro Private Car | 1925-26 |
| Phoenix Assn. Co Ltd | - | Milligan Street, Perth | Ford | 9037 | Metro Private Car | 1927-28 |
| Phoenix Assurance | E. S. & A. B. | Chrs William Street, Perth | Buick | 417 | Metro Private Car | 1926-27 |
| Phoenix Assurance Co | - | c/o. Dalgety & Co., Perth | Buick | 417 | Metro Private Car | 1923-24 |
| Phoenix Assurance Co | - | William Street, Perth | Ford | 14548 | Metro Private Car | 1927-28 |
| Phoenix Assurance Co Ltd | - | William Street, Perth | Ford | 5357 | Metro Private Car | 1924-25 |
| Phoenix Assurances | E. S. & A. | Bank Chambers, William Street, Perth | Buick | 417 | Metro Private Car | 1925-26 |
| Phoenix Insurance Co | - | William Street, Perth | Buick | 417 | Metro Private Car | 1922-23 |
| Phyland | J. | Lawlers | Ford | LA ● 13 | Lawlers Road Board | 1923-24 |
| Phyland | J. | Lawlers | Ford | LA ● 13 | Lawlers Road Board | 1924-25 |
| Phyland | J. | Lawlers | Ford | LA ● 13 | Lawlers Road Board | 1925-26 |
| PhyLand | J. | Lawlers | Ford | LA ● 13 | Lawlers Road Board | 1926-27 |
| Phyland | J. | Lawlers | Ford | LA ● 13 | Lawlers Road Board | 1927-28 |
| Phyland & Wertheimer | - | Lawlers | Buick | LA ● 6 | Lawlers Road Board | 1926-27 |
| Phyland & Werthemier | - | Leonora | Ford | LM ● 44 | Leonora-Malcolm Road Board | 1925-26 |
| Phyland & Werthemier | - | Leonora | Buick Truck | LM ● 45 | Leonora-Malcolm Road Board | 1925-26 |
| Phyland & Werthemier | - | Leonora | Ford | LM ● 44 | Leonora-Malcolm Road Board | 1927-28 |
| Phyland & Werthemier | - | Leonora | Austin | LM ● 45 | Leonora-Malcolm Road Board | 1927-28 |
| Phyland & Werthiemer | - | Leonora | Buick | WU ● 1 | Wiluna Road Board | 1925-26 |
| Phyland & Werthiemer | - | Leonora | Buick | WU ● I | Wiluna Road Board | 1926-27 |
| Phyland & Werthiemer | - | Leonora | Buick | WU ● 1 | Wiluna Road Board | 1927-28 |
| Phyland & Werthmier | - | Leonora | Ford | LM ● 44 | Leonora-Malcolm Road Board | 1926-27 |
| Phyland & Werthmier | - | Leonora | Austin | LM ● 45 | Leonora-Malcolm Road Board | 1926-27 |
| Phyland & Werthmier | - | Leonora | Buick Truck | LM ● 57 | Leonora-Malcolm Road Board | 1926-27 |
| Phyllis | A. K. | Williams | Ford | WL ● 79 | Williams Road Board | 1927-28 |
| Piant | F. T. | Buntine | Gray | DL ● 35 | Dalwallinu Road Board | 1925-26 |
| Pichard & Smith | - | Yoongarilup | Chevrolet Truck | SU ● 52 | Sussex Road Board | 1926-27 |
| Pichard & Smith | - | Yoongarllup | Chevrolet Truck | SU ● 52 | Sussex Road Board | 1927-28 |
| Pichers | S. | Williams | Dodge | W ● L ● 112 | Williams Road Board | 1927-28 |
| Pickard | H. L. | 117 Holmesdale Road, West Midland | Ford | 12089 | Metro Private Car | 1927-28 |
| Pickering | C. F. | Booralaming | Ford Truck | D ● 159 | Dowerin Road Board | 1926-27 |
| Pickering | E. | 35 Bronte Street, East Perth | Chrysler | 11459 | Metro Private Car | 1926-27 |
| Pickering | E. | 35 Bronte Street, East Perth | Chrysler | 11459 | Metro Private Car | 1927-28 |
| Pickering | F. | 264 Hampton Street, Cottesloe Beach | Willys-Knight | 3244 | Metro Hire or Trade | 1926-27 |
| Pickering | F. | - | Overland | MW ● 90 | Mullewa Road Board | 1927-28 |
| Pickering | G. W. | Katanning | Ford | KA ● 143 | Katanning Road Board | 1924-25 |
| Pickering | G. W. | Katanning | Rugby | KA ● 198 | Katanning Road Board | 1924-25 |
| Pickering | G. W. | Katanning | Rugby | KA ● 198 | Katanning Road Board | 1925-26 |
| Pickering | G. W. | Katanning | Rugby | KA ● 198 | Katanning Road Board | 1926-27 |
| Pickering | Geo. | Katanning | Rugby | KA ● 318 | Katanning Road Board | 1927-28 |
