| Alger | D. | Kojonup | Chevrolet | KO ● 84 | Kojonup Road Board | 1925-26 |
| Alger | D. | Kojonup | Chevrolet | KO ● 84 | Kojonup Road Board | 1926-27 |
| Alger | D. | Kojonup | Chevrolet | KO ● 84 | Kojonup Road Board | 1927-28 |
| Ali | Sher | Mount Magnet | Ford | MA ● 26 | Mount Magnet Road Board | 1923-24 |
| Ali | Sher | Mount Magnet | Ford | MA ● 26 | Mount Magnet Road Board | 1924-25 |
| All British Cars Ltd | - | Hay Street, Perth | Dealers | 20259 | Metro Dealers Car | 1927-28 |
| All British Cars Ltd | - | 870 Hay Street, Perth | Dealers | 20273 | Metro Dealers Car | 1927-28 |
| All British Cars Ltd | - | Hay Street, Perth | Clyno | 12734 | Metro Private Car | 1927-28 |
| All British Cars Ltd | - | 870 Hay Street, West Perth | Clyno | 983 | Metro Private Car | 1927-28 |
| All British Cars Ltd | - | Perth | Clyno | 2904 | Metro Private Car | 1927-28 |
| All British Motors Ltd | - | 870 Hay Street, Perth | Hillman | 14775 | Metro Private Car | 1927-28 |
| Alladay | J. T. | 19 Waugh Street, North Perth | Ford | 4365 | Metro Private Car | 1925-26 |
| Alladin Industries Ltd | - | 52 Cliff Street, Fremantle | Ford | 12214 | Metro Private Car | 1926-27 |
| Alladin Industries Ltd | - | 52 Cliff Street, Fremantle | Ford Wagon | 12270 | Metro Private Car | 1926-27 |
| Allam | H. O. | 3 Campbell Street, West Perth | Willys-Knight | 4552 | Metro Private Car | 1927-28 |
| Allan | A. | 151 Alma Road, North Perth | Reo Bus | 3586 | Metro Hire or Trade | 1925-26 |
| Allan | Andrew | 56 Hooley Road, Midland Junction | Brockway Wagon | 10231 | Metro Hire or Trade | 1927-28 |
| Allan | E. H. | Kellerberrin | G.M.C. Truck | KE ● 199 | Kellerberrin Road Board | 1925-26 |
| Allan | Herbert | Wagin | Rudge multi Motorcycle | W ● 18 | Wagin Road Board | 1922-23 |
| Allan | J. | Goomalling | Ford 18 H.P. | GO ● 35 | Goomalling Road Board | 1919 |
| Allan | J. | Bullfinch | Ford Truck | YL ● 15 | Yilgarn Road Board | 1926-27 |
| Allan | Leo | Bunjil | Chevorlet | PM ● 1 | Perenjori-Morawa Road Board | 1922-23 |
| Allan | Leo. | Benijil | Chevrolet | PM ● 1 | Perenjori-Morowa Road Board | 1923-24 |
| Allan | S. W. | Sandstone | Dodge | BR ● 4 | Black Range Road Board | 1924-25 |
| Allan | S. W. | Sandstone | Dodge | BR ● 4 | Black Range Road Board | 1925-26 |
| Allan | S. W. | Sandstone | Dodge | BR ● 4 | Black Range Road Board | 1926-27 |
| Allan | S. W. | Sandstone | Dodge | BR ● 4 | Black Range Road Board | 1927-28 |
| Allan | T. D. H | 159 Hay St | Essex | 4600 | Metro Private Car | 1927-28 |
| Allan | T. D. H. | 189 Hay Street, Subiaco | Rugby | 5485 | Metro Private Car | 1924-25 |
| Allan | T. D. H. | 189 Hay Street, Perth | Rugby | 5485 | Metro Private Car | 1925-26 |
| Allan | T. D. H. | 159 Hay Street | Essex | 4600 | Metro Private Car | 1926-27 |
| Allan | W. | Cheetham Street, Kalgoorlie | Wolsley | KMC 171 | Kalgoorlie Municipal Council | 1926-27 |
| Allan | W. | Cheetham Street, Kalgoorlie | Worsley | KMC 171 | Kalgoorlie Municipal Council | 1927-28 |
| Allan & Brimage | - | Forrest Street | Dougles 2 ¾ H.P. | KMC 43 | Kalgoorlie Municipality | 1916 |
| Allan & Brimage | - | Forrest Street | Sun Villiers 2¾ H.P. Motorcycle | KMC 47 | Kalgoorlie Municipality | 1916 |
| Allan & Main | - | Parkers Road | Ford | YL ● 46 | Yilgarn Road Board | 1926-27 |
| Allandice | C. | Kondinin | Ford Truck | KN ● 20 | Kondinin Road Board | 1925-26 |
| Allandice | C. | Kondinin | Ford Truck | KN ● 20 | Kondinin Road Board | 1926-27 |
| Allandice | C. | Kondinin | Ford Truck | KN ● 20 | Kondinin Road Board | 1927-28 |
| Allanson | F. | Trayning | Chevrolet | KTY ● 174 | Kununoppin-Trayning Road Board | 1927-28 |
| Allanson | G. | Dowerin | Oakland | D ● 18 | Dowerin Road Board | 1924-25 |
| Allanson | G. | Dowerin | Oakland | D ● 18 | Dowerin Road Board | 1925-26 |
| Allanson | G. | Dowerin | Oakland | D ● 18 | Dowerin Road Board | 1926-27 |
| Allanson | G. | Dowerin | Oakland | D ● 18 | Dowerin Road Board | 1927-28 |
| Allanson | George | Dowerin | Ford 20 H.P. | D ● 18 | Dowerin Road Board | 1919 |
| Allanson | George | Dowerin | Chevrolet | D ● 18 | Dowerin Road Board | 1922-23 |
| Allanson | George | Dowerin | Chevrolet | D ● 18 | Dowerin Road Board | 1923-24 |
| Allanson | Thos. | Meekatharra | Humber 3½ H.P. Motorcycle | - | Meekatharra Road Board | 1917-18 |
| Allanson | W. | 293 Murray Streets | Ford 20 H.P. | P 817 | Perth Municipality | 1919 |
| Allanson | W. | 44 Barker Road, Subiaco | Dodge | 980 | Metro Private Car | 1922-23 |
