| Aitken & Crabtree | - | 122 Walcott Street, Mount Lawley | Chevrolet | 13937 | Metro Private Car | 1926-27 |
| Aitken & Crabtree | - | 122 Walcott Street, Mount lawley | Reo Wagon | 8798 | Metro Private Car | 1926-27 |
| Aitken & Crabtree | - | 122 Walcott Street, Mount Lawley | Ford Truck | WA ● 65 | Manjimup Road Board | 1926-27 |
| Aitken & Crabtree | - | 122 Walcott Street, Mount Lawley | Brockway | 13924 | Metro Private Car | 1927-28 |
| Aitken & Crabtree | - | 122 Walcott Street, Mount Lawley | Chevrolet | 13937 | Metro Private Car | 1927-28 |
| Aitkins | C. | Hay Street | Douglas 2¾ H.P. Motorcycle | P 742 | Perth Municipality | 1915 |
| Ajax Plaster & Co | - | Murray Street, Perth | Stephens | 424 | Metro Private Car | 1925-26 |
| Ajax Plaster & Co | - | Woolundra | Graham Truck | KE ● 190 | Kellerberrin Road Board | 1926-27 |
| Ajax Plaster & Co Ltd | - | Murray Street, Perth | Stephen | 168 | Metro Private Car | 1927-28 |
| Ajax Plaster Co | - | Woolundra | Graham Truck | KE ● 190 | Kellerberrin Road Board | 1925-26 |
| Ajax Plaster Co | - | Woolundra | Graham Truck | KE ● 190 | Kellerberrin Road Board | 1927-28 |
| Ajax Plaster Company | - | Murray Street, Perth | Stephens | 424 | Metro Private Car | 1926-27 |
| Akbar | J. | Laverton | Ford Truck | MG ● 15 | Mount Margaret Road Board | 1925-26 |
| Akbar | J. | Morgans | Ford Truck | MG ● 17 | Mount Margaret Road Board | 1926-27 |
| Akbar | Jack | Laverton | Ford Truck | MG ● 14 | Mount Margaret Road Board | 1927-28 |
| Akers | J. G. A. | Collie | Rugby | CM 201 | Collie Municipality | 1927-28 |
| Akle | Dr. J. Vere | Dugan Street | Renault 9 H.P. | KMC 16 | Kalgoorlie Municipality | 1916 |
| Aladdin Industries Ltd | - | 52 Cliff Street, Fremantle | Ford Wagon | 12270 | Metro Private Car | 1927-28 |
| Aladdin Industries Ltd | - | Cliff Street, Fremantle | Ford | 12470 | Metro Private Car | 1927-28 |
| Albany Bell | - | - | Cycle | P ● 208 | Perth Road Board | 1919 |
| Albany Bell | - | - | Cycle | P ● 85 | Perth Road Board | 1919 |
| Albany Bell | - | 84, Guildford Road, Mount Lawley | Ford Wagon | 5647 | Metro Private Car | 1924-25 |
| Albany Bell | - | 84, Guildford Road, Mount Lawley | Ford Wagon | 5647 | Metro Private Car | 1925-26 |
| Albany Bell | - | 84, Guildford Road, Mount Lawley | Ford Wagon | 5647 | Metro Private Car | 1926-27 |
| Albany Bell | - | 84, Guildford Road, Mount Lawley | Ford Wagon | 5647 | Metro Private Car | 1927-28 |
| Albany Bell Ltd | - | Guildford Road, Maylands | Ford Wagon | 994 | Metro Private Car | 1922-23 |
| Albany Bell Ltd | - | Guildford Road, Maylands | Ford | 995 | Metro Private Car | 1922-23 |
| Albany Bell Ltd | - | Guildford Road, Maylands | Ford | 996 | Metro Private Car | 1922-23 |
| Albany Bell Ltd | - | Guildford Road, Maylands | Overland | 997 | Metro Private Car | 1922-23 |
| Albany Bell Ltd | - | Guildford Road, Mount Lawley | Overland | 2362 | Metro Private Car | 1922-23 |
| Albany Bell Ltd | - | Mount Lawley | Ford | 599 | Metro Private Car | 1923-24 |
| Albany Bell Ltd | - | Guildford Road, Mount Lawley | Overland | 2362 | Metro Private Car | 1923-24 |
| Albany Bell Ltd | - | Guildford Road, Mount Lawley | Overland | 2737 | Metro Private Car | 1923-24 |
| Albany Bell Ltd | - | Guildford Road, Mount Lawley | Ford Wagon | 994 | Metro Private Car | 1923-24 |
| Albany Bell Ltd | - | Guildford Road, Mount Lawley | Overland | 2362 | Metro Private Car | 1924-25 |
| Albany Bell Ltd | - | Guildford Road, Mount Lawley | Overland | 2737 | Metro Private Car | 1924-25 |
| Albany Bell Ltd | - | Mount Lawley | Ford | 599 | Metro Private Car | 1924-25 |
| Albany Bell Ltd | - | Guildford Road, Mount Lawley | Overland | 2362 | Metro Private Car | 1925-26 |
| Albany Bell Ltd | - | Guildford Road, Mount Lawley | Overland | 2737 | Metro Private Car | 1925-26 |
| Albany Bell Ltd | - | Mount Lawley | Ford | 599 | Metro Private Car | 1925-26 |
| Albany Bell Ltd | - | Mount Lawley | Ford | 599 | Metro Private Car | 1926-27 |
| Albany Bell Ltd | - | Guildford Road, Mount Lawley | Ford | 13364 | Metro Private Car | 1926-27 |
| Albany Bell Ltd | - | Mount Lawley | Overland | 2362 | Metro Private Car | 1926-27 |
| Albany Bell Ltd | - | Guildford Road, Mount Lawley | Ford | 13364 | Metro Private Car | 1927-28 |
| Albany Bell Ltd | - | Hannan Street, Kalgoorlie | Ford Truck | KMC 340 | Kalgoorlie Municipal Council | 1927-28 |
| Albany Municipal Council | - | Albany | Morris Truck | A 1 | Municipality of Albany | 1926-27 |
| Albany Municipal Council | - | Albany | Morris Truck | A 1 | Albany Municipality | 1927-28 |
| Albert | E. | Esplanade Nedlands | Buick | 9437 | Metro Private Car | 1926-27 |
| Albert | E. | Esplanade Nedlands | Buick | 9437 | Metro Private Car | 1927-28 |
| Albert | Miss T. | 180 Murray Street, Perth | Austin | 11996 | Metro Private Car | 1927-28 |
