| Great Southern Motor Works | - | Wagin | Ford Wagon | WM ● 31 | Wagin Municipality | 1923-24 |
| Great Southern Motors Agency | - | Narrogin | Chevrolet | NGN 141 | Narrogin Municipality | 1927-28 |
| Great Southern Motors Agency | - | Narrogin | Oldsmobile | NGN 142 | Narrogin Municipality | 1927-28 |
| Great Southern Roller Flour Mills | - | North Fremantle | Chrysler | 12938 | Metro Private Car | 1927-28 |
| Greater Perth Land & Investment | - | C/o M. Crawcour Perth | Overland | 8773 | Metro Private Car | 1925-26 |
| Greater Perth Real Estate Co | - | Howard Street, Perth | Chrysler | 2614 | Metro Private Car | 1927-28 |
| Greatorex | M. W. S. | Moodiarrup | Maxwell | AW ● 26 | West Arthur Road Board | 1926-27 |
| Greatorex | M. W. S. | Moodiarrup | Maxwell | AW ● 26 | West Arthur Road Board | 1927-28 |
| Greaves | E. | Wongan Hills | Buick | WB ● 71 | Wongan-Ballidu Road Board | 1926-27 |
| Greaves | W. H. | Koorda | Ford | WM ● 52 | Wyalkatchem Road Board | 1923-24 |
| Greaves | W. H. | Koorda | Ford | WM ● 52 | Wyalkatchem Road Board | 1924-25 |
| Greaves | W. H. | Koorda | Nash | WM ● 52 | Wyalkatchem Road Board | 1925-26 |
| Greaves | W. H. | Koorda | Ford | WM ● 52 | Wyalkatchem Road Board | 1926-27 |
| Greaves | W. H. | Koorda | Ford Truck | WM ● 293 | Wyalkatchem Road Board | 1927-28 |
| Greay | A. D. | - | Ford 20 H.P. | PY 19 | Pingelly Road Board | 1915 |
| Greay | A. D. | Pingelly | Ford 20 H.P. | PN 19 | Pingelly Road Board | 1916 |
| Greay | A. D. | Pingelly | Ford 20 H.P. | PN ● 19 | Pingelly Road Board | 1917-18 |
| Greay | A. D. | Pingelly | Ford 20 H.P. | PN ● 27 | Pingelly Road Board | 1917-18 |
| Greay | A. D. | Pingelly East | Ford 20 H.P. | PN ● 19 | Pingelly Road Board | 1919 |
| Greay | A. D. | Pingelly East | Ford 20 H.P. | PN ● 19 | Pingelly Road Board | 1922-23 |
| Greay | A. J. | Corrigin | Ford | CR ● 127 | Corrigin Road Board | 1926-27 |
| Greay | A. T. | Lomos | Ford | CR ● 28 | Corrigin Road Board | 1923-24 |
| Greay | A. T. | Lomos | Ford | CR ● 28 | Corrigin Road Board | 1924-25 |
| Greay | A. T. | Lomos | Ford | CR ● 28 | Corrigin Road Board | 1925-26 |
| Greay | A. T. | Lomos | Ford | CR ● 28 | Corrigin Road Board | 1926-27 |
| Greay | A. T. | Bulyee | Ford | CR ● 157 | Corrigin Road Board | 1927-28 |
| Greay | C. C. | Bulyee | Ford Truck | CR ● 293 | Corrigin Road Board | 1927-28 |
| Greay | D. | Pingelly | Dodge | PN ● 19 | Pingelly Road Board | 1923-24 |
| Greay | D. | East Pingelly | Dodge | PN ● 19 | Pingelly Road Board | 1924-25 |
| Greay | D. | East Pingelly | Dodge | PN ● 19 | Pingelly Road Board | 1924-25 |
| Greay | D. | East Pingelly | Dodge | PN ● 19 | Pingelly Road Board | 1925-26 |
| Greay | D. | East Pingelly | Dodge | PN ● 19 | Pingelly Road Board | 1927-28 |
| Greay | J. | Bulyee | Ford | CR ● 102 | Corrigin Road Board | 1925-26 |
| Greay | M. S. | Pitchford Avenue, Maddington | Ford | 7219 | Metro Private Car | 1925-26 |
| Greay | R. J. | Pingelly | Chevrolet 23 H.P. | PN ● 8 | Pingelly Road Board | 1922-23 |
| Greay | R. J. | Pingelly | Chevrolet | PN ● 8 | Pingelly Road Board | 1923-24 |
| Greay | R. J. | Pingelly | Chevrolet | PN ● 8 | Pingelly Road Board | 1924-25 |
| Greay | R. J. | Pingelly | Chevrolet | PN ● 8 | Pingelly Road Board | 1924-25 |
| Greay | R. J. | Pingelly | Chevrolet | PN ● 8 | Pingelly Road Board | 1925-26 |
| Greay | R. J. | Pingelly | Chevrolet | PN ● 8 | Pingelly Road Board | 1927-28 |
| Greay | R. T. | Bulyee | Durant | CR ● 28 | Corrigin Road Board | 1927-28 |
| Greay | S. | Pingelly | Ford | PN ● 15 | Pingelly Road Board | 1924-25 |
| Greay | S. | Pingelly | Ford | PN ● 15 | Pingelly Road Board | 1924-25 |
| Greay | S. | Pingelly | Ford | PN ● 15 | Pingelly Road Board | 1925-26 |
| Greay | S. | Pingelly | Ford | PN ● 15 | Pingelly Road Board | 1927-28 |
| Greay | Stephen | Pingelly East | Ford 20 H.P. | PN ● 15 | Pingelly Road Board | 1922-23 |
| Greay | Stephen | Pingelly | Ford | PN ● 15 | Pingelly Road Board | 1923-24 |
| Greay | T. | Pingelly | Ford 20 H.P. | PN 27 | Pingelly Road Board | 1916 |
| Greay | T. | Pingelly | Ford 20 H.P. | PN ● 27 | Pingelly Road Board | 1919 |
| Greay | W. G. | Woodanilling | Overland | WO ● 36 | Woodanilling Road Board | 1924-25 |
