| Armstrong | J. W. | 77 Thomas Street, Subiaco | Fiat | 6317 | Metro Private Car | 1926-27 |
| Armstrong | J. W. | 77 Thomas Street, Subiaco | Fiat | 6317 | Metro Private Car | 1927-28 |
| Armstrong | Joe | 964 Hay Street | Ford 20 H.P. | P 1178 | Perth Municipality | 1919 |
| Armstrong | Joe | 965 Hay Street, Perth | Ford | 895 | Metro Private Car | 1922-23 |
| Armstrong | Joe | 965 Hay Street, Perth | Ford | 895 | Metro Private Car | 1923-24 |
| Armstrong | Joe | 965 Hay Street, Perth | Fiat | 2799 | Metro Private Car | 1923-24 |
| Armstrong | Joe | 965 Hay Street, Perth | Ford | 895 | Metro Private Car | 1924-25 |
| Armstrong | Joe | 965 Hay Street, Perth | Ford | 895 | Metro Private Car | 1926-27 |
| Armstrong | Joe | 965 Hay Street, Perth | Ford | 895 | Metro Private Car | 1927-28 |
| Armstrong | Joseph | Wagin | Dodge | W ● 66 | Wagin Road Board | 1924-25 |
| Armstrong | L. A. | 50 Anzac Road, Mount Hawthorn | Studebaker | 13240 | Metro Private Car | 1926-27 |
| Armstrong | L. A. | 50 Anzac Road, Mount Hawthorn | Studebaker | 13240 | Metro Private Car | 1927-28 |
| Armstrong | M. E. | Narrikup | Chevrolet | PL ● 130 | Plantagenet Road Board | 1927-28 |
| Armstrong | Mrs | Tattersalls Hotel, Boulder | Chevrolet | B 36 | Boulder Municipality | 1924-25 |
| Armstrong | Mrs | Tattersalls Hotel, Boulder | Chevrolet | B 36 | Boulder Municipality | 1925-26 |
| Armstrong | Mrs | Tattersalls' Hotel, Boulder | Chevrolet | B36 | Boulder Municipality | 1925-26 |
| Armstrong | Mrs B. | Hope Valley | Ford Charabano | RO ● 15 | Rockingham Road Board | 1926-27 |
| Armstrong | Mrs B. | Hope Valley | Ford Charabano | RO ● 15 | Rockingham Road Board | 1927-28 |
| Armstrong | Mrs E. | 131 Rokeby Road, Subiaco | Chevrolet | 5638 | Metro Private Car | 1924-25 |
| Armstrong | Mrs E. | 131 Rokeby Road, Subiaco | Chevrolet | 5638 | Metro Private Car | 1925-26 |
| Armstrong | Mrs E. | 131 Rokeby Road, Subiaco | Chevrolet | 5638 | Metro Private Car | 1927-28 |
| Armstrong | MrsE. | 131 Rokeby Road, Subiaco | Chevrolet | 5638 | Metro Private Car | 1926-27 |
| Armstrong | O. E. | 23 Roy Street, Mount Lawley | Rugby | 5719 | Metro Private Car | 1927-28 |
| Armstrong | P. N. | Hope Valley | Commerce Charabanc | RO ● 19 | Rockingham Road Board | 1926-27 |
| Armstrong | P. N. | William Street, Fremantle | Commerce Bus | 10386 | Metro Hire or Trade | 1927-28 |
| Armstrong | P. N. | William Street, Fremantle | Commerce Bus | 10915 | Metro Hire or Trade | 1927-28 |
| Armstrong | P. T. | 62 Bulwer Street, Perth | Ford | 5152 | Metro Private Car | 1924-25 |
| Armstrong | P. W. | Armstrong Cycle & Motor Agency | Triumph 3½ H.P. Motorcycle | P 336 | Perth Municipality | 1915 |
| Armstrong | P. W. | Hay Street | Douglas 3½ H.P. Motorcycle | P593 | Perth Municipality | 1915 |
| Armstrong | P. W. | C/o Armstrong Cycle & Motor Agency | Sun 2½ H.P. Motorcycle | P 105 | Perth Municipality | 1916 |
| Armstrong | P. W. | Mount Lawley | Studebaker 25-30 H.P. | P 55 | Perth Municipality | 1916 |
| Armstrong | P. W. | - | Studebaker | P ● 29 | Perth Road Board | 1919 |
| Armstrong | P. W. | Murray Street, Perth | Studebaker | 834 | Metro Private Car | 1922-23 |
| Armstrong | P. W. | Mount Lawley Crescent, Mount Lawley | Studebaker | 834 | Metro Private Car | 1923-24 |
| Armstrong | P. W. | Hay Street, Perth | Studebaker | 6433 | Metro Private Car | 1924-25 |
| Armstrong | P. W. | Mount Lawley Cresent Mount Lawley | Studebaker | 834 | Metro Private Car | 1924-25 |
| Armstrong | P. W. | Murray Street, Perth | Studebaker | 7406 | Metro Private Car | 1925-26 |
| Armstrong | P. W. | Lawley Crescent, Mount Lawley | Studebaker | 8531 | Metro Private Car | 1925-26 |
| Armstrong | P. W. | Colin Street, West Perth | Erskine | 4586 | Metro Private Car | 1927-28 |
| Armstrong | Percy Neil | Hope Valley | Ford Ton Truck | RO ● 11 | Rockingham Road Board | 1922-23 |
| Armstrong | Percy Neil | Hope Valley | Ford Ton Truck | RO ● 11 | Rockingham Road Board | 1923-24 |
| Armstrong | Percy Neil | Hope Valley | Reo Char-a-bane | RO ● 19 | Rockingham Road Board | 1923-24 |
| Armstrong | S. | Britannia Coffee Palace, William Street | B.S.A. 3½ H.P. Motorcycle | P 470A | Perth Municipality | 1915 |
| Armstrong | W. A. | 176 Forrest Street, Fremantle | Studebaker | 3932 | Metro Hire or Trade | 1924-25 |
| Armstrong | W. A. | 176 Forrent Street, Fremantle | Studebaker | 3932 | Metro Hire or Trade | 1925-26 |
| Armstrong | W. F. | Bank N.S.W., Fremantle | Rex 4 H.P. | F 99 | Fremantle Municipality | 1916 |
| Armstrong | W. J. | Hope Valley | Ford 10 H.P. | RO ● 2 | Rockingham Road Board | 1917-18 |
| Armstrong | W. J. | 71 Churchill Avenue, Subiaco | Overland | 11220 | Metro Private Car | 1927-28 |
| Armstrong | W. L. C. | Cranbrook | Ford | CB ● 27 | Cranbrook Road Board | 1926-27 |
| Armstrong | W. L. C. | Cranbrook | Ford | CB ● 27 | Cranbrook Road Board | 1927-28 |
