| Allen | W. C. | - | Calthorpe 2½ H.P. Motorcycle | CMC 19 | Coolgardie Municipality | 1916 |
| Allen | W. G. | Greenbushes | Overland | GR ● 11 | Greenbushes Road Board | 1924-25 |
| Allen | W. G. | Ora Banda | Ford Truck | K ● 108 | Kalgoorlie Road Board | 1925-26 |
| Allen | W. G. | Greenbushes | Ford Truck | GR ● 4 | Greenbushes Road Board | 1925-26 |
| Allen | W. G. | Greenbushes | Dodge | GR ● 24 | Greenbushes Road Board | 1925-26 |
| Allen | W. G. | Greenbushes | Ford Truck | GR ● 4 | Greenbushes Road Board | 1926-27 |
| Allen | W. G. | Greenbushes | Dodge | GR ● 30 | Greenbushes Road Board | 1926-27 |
| Allen | W. G. | Greenbushes | Ford Truck | GR ● 4 | Greenbushes Road Board | 1927-28 |
| Allen | W. G. | Greenbushes | Dodge | GR ● 30 | Greenbushes Road Board | 1927-28 |
| Allen | W. H. | White Street, Osborne Park | Whippet | P ● 167 | Perth Road Board | 1927-28 |
| Allen | W. L. | Merriwa Street, Nedlands | Buick | 8754 | Metro Private Car | 1925-26 |
| Allen | W. L. | Karella Street, Nedlands | Buick | 11439 | Metro Private Car | 1926-27 |
| Allen | W. L. | Bruce Street, Nedlands | Buick | 11439 | Metro Private Car | 1927-28 |
| Allen | W. T. | 154 Hay Street | Car | S 81 | Subiaco Municipality | 1917-18 |
| Allen & Brimage | - | - | Sun-Villiers 2¾ H.P. Motorcycle | KMC 43 | Kalgoorlie Municipality | 1915 |
| Allen & Brimage | - | Forrest Street | Ford 16 H.P. | KMC 71 | Kalgoorlie Municipality | 1919 |
| Allen & Brimage | - | Forrest Street | Douglas 2½ H.P. Motorcycle | KMC 43 | Kalgoorlie Municipality | 1919 |
| Allen & Brimage | - | Forrest Street | Douglas 2¾ H.P. Motorcycle | KMC 43 | Kalgoorlie Municipal Council | 1922-23 |
| Allen & Brimage | - | Forrest Street, Kalgoorlie | Chevrolet Truck | KMC 273 | Kalgoorlie Municipal Council | 1926-27 |
| Allen & Brimage | - | Forrest Street, Kalgoorlie | Chevrolet Truck | KMC 273 | Kalgoorlie Municipal Council | 1927-28 |
| Allen & Brimage | C. | - | Douglas 2¾ H.P. Motorcycle | KMC 47 | Kalgoorlie Municipality | 1915 |
| Allen & Calder | - | Albany Road, Victoria Park | Chevrolet Wagon | 3889 | Metro Hire or Trade | 1925-26 |
| Allen & Sons | - | Busselton | Buick Wagon | BN 32 | Busselton Municipality | 1924-25 |
| Allen & Sons | - | Busselton | Overland | BN 36 | Busselton Municipality | 1924-25 |
| Allen & Sons | - | Busselton | Fiat Truck | BN 44 | Busselton Municipality | 1924-25 |
| Allen Ltd | A. W. | 36 Henry Street. Fremantle | Ford van | 1954 | Metro Private Car | 1923-24 |
| Allen Ltd | A. W. | 36 Henry Street, Fremantle | Ford van | 1954 | Metro Private Car | 1924-25 |
| Allen Ltd | A. W. | 36 Henry Street, Fremantle | Ford Van | 1954 | Metro Private Car | 1925-26 |
| Allen Ltd | A. W. | 48 King Street, Perth | Ford Van | 11146 | Metro Private Car | 1926-27 |
| Allen Ltd | A. W. | Fremantle | Ford Van | 1954 | Metro Private Car | 1926-27 |
| Allen Ltd | A. W. | 48 King Street, Perth | Ford Van | 1954 | Metro Private Car | 1927-28 |
| Allen Ltd | A. W. | 48 King Street, Perth | Ford Van | 11146 | Metro Private Car | 1927-28 |
| Allenson | H. C. | 241 Hannan Street | Indian Motorcycle | KMC 147 | Kalgoorlie Municipal Council | 1922-23 |
| Allenson | H. C. | 241 Hannan Street | B.S.A. 3½ H.P. Motorcycle | KMC 241 | Kalgoorlie Municipal Council | 1922-23 |
| Allettson | J. C. | Edmond Street | Ford 20 H.P. | F 164 | Fremantle Municipal Council | 1917-18 |
| Allettson | Jas. | 651 Edmond Street, South Fremantle | De Dion 10 H.P. | F 117 | Fremantle Municipal Council | 1917-18 |
| Alliance Ass. Co | - | Saint George's Terrace, Perth | Dodge | 941 | Metro Private Car | 1927-28 |
| Alliance Assn. CoLtd | - | Saint George's Terrace, Perth | Overland | 6677 | Metro Private Car | 1924-25 |
| Alliance Association Co Ltd | - | Saint George's Terrace, Perth | Overland | 6677 | Metro Private Car | 1925-26 |
| Alliance Association Co Ltd | - | Saint George's Terrace, Perth | Overland | 6677 | Metro Private Car | 1926-27 |
| Alliance Assurance Co | - | 99 Saint George's Terrace | Rudge 3½ H.P. Motorcycle | P 625 | Perth Municipality | 1915 |
| Alliance Assurance Co Ltd | - | 99 Saint George's Terrace | Rudge-Multi 3 H.P. | P 625 | Perth Municipality | 1916 |
| Alliance Assurance Co Ltd | - | 99 Saint George's Terrace | Douglas 2¾ H.P. Motorcycle | P 831 | Perth Municipality | 1919 |
| Allingham | R. | Mann Street | Singer 3½ H.P. Motorcycle | Ce ● 25 | Municipality of Cottesloe | 1917-18 |
| Allison | Mrs Sam | Darlington | Ford | GE ● 3 | Greenmount Road Board | 1923-24 |
| Alliss | J. | 350 Lord Street, Perth | Chevrolet | 11281 | Metro Private Car | 1926-27 |
| Alliss | J. | 350 Lord Street, Perth | Chevrolet | 11281 | Metro Private Car | 1927-28 |
| Allmam | A. | Aberdare Street, West Subiaco | Citroen | 5885 | Metro Private Car | 1925-26 |
| Allman | A. | Aberdare Road, West Subiaco | Citroen | 5885 | Metro Private Car | 1924-25 |
| Allman | A. | Kununoppin | Citroen | KTY ● 48 | Kununoppin-Trayning Road Board | 1926-27 |
