| Associated Northern G.M. | - | Ora Banda | Ford | K ● 67 | Kalgoorlie Road Board | 1922-23 |
| Associated Northern G.M. | - | Ora Banda | Ford | K ● 67 | Kalgoorlie Road Board | 1923-24 |
| Associated Northern Gold Mine | - | - | Ford | BA ● 3 | Broad Arrow Road Board | 1919 |
| Associated Northern Gold Mine | - | Ora Banda | Ford | K ● 33 | Kalgoorlie Road Board | 1924-25 |
| Associated Northern Ltd | - | - | Ford 15 H.P. | K 33 | Kalgoorlie Road Board | 1916 |
| Associated Northern Ltd | - | - | Ford 15 H.P. | K ● 33 | Kalgoorlie Road Board | 1917-18 |
| Associated Northern Ltd | - | - | Ford 15 H.P. | K ● 33 | Kalgoorlie Road Board | 1919 |
| Associated Nothern Blocks | - | Fimiston | Ford | K ● 102 | Kalgoorlie Road Board | 1926-27 |
| Astbury | D. T. | Wickepin | Chevrolet | WK ● 237 | Wickepin Road Board | 1927-28 |
| Aston | Charles | 196 Adelaide Terrace, Perth | Ford | 1207 | Metro Private Car | 1924-25 |
| Atchison | T. | Cunderdin | Dodge | ME ● 125 | Meckering Road Board | 1925-26 |
| Aterling | L. G. | Katanning | Citroen | KA ● 128 | Katanning Road Board | 1926-27 |
| Athansasoff | A. | Bridgetown | Chevrolet Truck | B ● 217 | Bridgetown Road Board | 1927-28 |
| Atherton | T. R. | Wittenoom Street, Collie | - | CM 43 | Collie Municipality | 1924-25 |
| Atherton | T. R. | 130 Bennett Street, Perth | Whippet | 14816 | Metro Private Car | 1927-28 |
| Atikins Bros. | - | Murgoo via Yalgoo | Truimph | MU ● 32 | Murchison Road Board | 1923-24 |
| Atikins Bros. | - | Mount Narryer | Ford | MU ● 35 | Murchison Road Board | 1923-24 |
| Atjins | W. | 11 Congdon Street, Swanbourne | Maxwell | 5502 | Metro Private Car | 1925-26 |
| Atkin | J. C. | 17 Scott Street, Leederville | Darracq | 1195 | Metro Private Car | 1922-23 |
| Atkin | J. P. C. | 12 Scott Street, Leederville | Oakland | 4370 | Metro Private Car | 1923-24 |
| Atkin | J. P. C. | 12 Scott Street, Leederville | Oakland | 4370 | Metro Private Car | 1924-25 |
| Atkin | J. P. C. | 12 Scott Street, Leederville | Oakland | 4370 | Metro Private Car | 1925-26 |
| Atkin | J. P. C. | 12 Scott Street, Leederville | Oakland | 4370 | Metro Private Car | 1926-27 |
| Atkin | Wm. | 48 Lake Street | Overland 20 H.P. | P 444 | Perth Municipality | 1917-18 |
| Atkin | Wm. | 48 Lake Street | Overland 20 H.P. | P 444 | Perth Municipality | 1919 |
| Atkins | A. | Kondinin | Whippet | KN ● 64 | Kondinin Road Board | 1927-28 |
| Atkins | C. & Co. | Hay Street | Lorry 5 H.P. | P 217 | Perth Municipality | 1919 |
| Atkins | Capt | Bridgetown | Ford Truck | B ● 71 | Bridgetown Road Board | 1927-28 |
| Atkins | Captain | Bridgetown | Ford Wagon | B ● 71 | Bridgetown Road Board | 1925-26 |
| Atkins | Captain | Bridgetown | Ford Wagon | B ● 71 | Bridgetown Road Board | 1926-27 |
| Atkins | E D. | Moora | Chevrolet | M ● 63 | Moora Road Board | 1925-26 |
| Atkins | E. D. | Moora | Chevrolet | M ● 63 | Moora Road Board | 1924-25 |
| Atkins | Frank | 166 Hensman Road, Subiaco | Chevrolet Wagon | 4252 | Metro Private Car | 1927-28 |
| Atkins | G. | Beadon, Onslow | Ford | AS ● 16 | Ashburton Road Board | 1923-24 |
| Atkins | G. | Onslow | Ford | AS ● 16 | Ashburton Road Board | 1924-25 |
| Atkins | G. H. | Harvey | Ford Truck | H ● 168 | Harvey Road Board | 1926-27 |
| Atkins | G. H. | Harvey | Ford Truck | H ● 231 | Harvey Road Board | 1927-28 |
| Atkins | J. | Moora | Chevrolet | M ● 129 | Moora Road Board | 1927-28 |
| Atkins | L. F. | Lake Street | Ford 20 H.P. | P 203 | Perth Municipality | 1915 |
| Atkins | L. F. | 48 Lake Street | Ford 20 H.P. | P 203 | Perth Municipality | 1916 |
| Atkins | L. F. | 36 Thomas Street | Ford 20 H.P. | P 203 | Perth Municipality | 1917-18 |
| Atkins | L. F. | 36 Thomas Street | Ford 20 H.P. | P 203 | Perth Municipality | 1919 |
| Atkins | L. F. | 36 Thomas Street, Perth | Ford | 203 | Metro Private Car | 1922-23 |
| Atkins | L. F. | 36 Thomas Street, West Perth | Ford | 203 | Metro Private Car | 1923-24 |
| Atkins | L. F. | 36 Thomas Street, West Perth | Colombia | 778 | Metro Private Car | 1923-24 |
| Atkins | L. F. | 36 Thomas Street, West Perth | Ford Wagon | 2316 | Metro Private Car | 1923-24 |
| Atkins | L. F. | 36 Thomas Street, West Perth | Ford Wagon | 2316 | Metro Private Car | 1924-25 |
| Atkins | L. F. | 36 Thomas Street, West Perth | Colombia | 778 | Metro Private Car | 1924-25 |
| Atkins | L. F. | 36 Thomas Street, West Perth | Ford | 203 | Metro Private Car | 1925-26 |
| Atkins | L. F. | 36 Thomas Street, Perth | Crossley | 5924 | Metro Private Car | 1925-26 |
