| Haughton & Co | W. | Saint George's Terrace, Perth | F.I.A.T. | 283 | Metro Private Car | 1922-23 |
| Haul | Wyburn | Quairading | Ford 20 H.P. | AV ● - | Avon Road Board | 1917-18 |
| Haussler & Zuegg | - | Winchester | Oldsmobile | CA ● 203 | Carnamah Road Board | 1927-28 |
| Haustead | A. J. | - | Ford | NA ● 71 | Nungarin Road Board | 1924-25 |
| Haustead | A. J. | Goomarin | Overland | MD ● 314 | Merredin Road Board | 1927-28 |
| Haustead | A. J. | - | Ford | NA ● 71 | Nungarin Road Board | 1927-28 |
| Havelock | W. | 9 Bellevue Terrace, Fremantle | Rugby | 8922 | Metro Private Car | 1925-26 |
| Havelock | W. | 9 Bellevue Terrace, Fremantle | Rugby | 8922 | Metro Private Car | 1926-27 |
| Hawke | J. T. | Tambellup | Picols 15 H.P. | T 1 | Tambellup Road Board | 1915 |
| Hawke | J. T. | Tambellup | Picols 20 H.P. | T 2 | Tambellup Road Board | 1915 |
| Hawke | J. T. | Tambellup | Picols 15 H.P. | TA 1 | Tambellup Road Board | 1916 |
| Hawke | J. T. | Tambellup | Picols 20 H.P. | TA 2 | Tambellup Road Board | 1916 |
| Hawke | M. C. | Bruce Rock | Chevrolet | BK ● 306 | Bruce Rock Road Board | 1927-28 |
| Hawke | P. G. | Perth Road, West Guildford | Ford | 585 | Metro Private Car | 1922-23 |
| Hawke | P. G. | Perth Road, West Guildford | Ford | 585 | Metro Private Car | 1923-24 |
| Hawke | P. G. | Perth Road, West Guildford | Ford | 585 | Metro Private Car | 1924-25 |
| Hawke | P. G. | Perth Road, West Guildford | Ford | 585 | Metro Private Car | 1925-26 |
| Hawker | C. H. D. | Merredin | Chevrolet | MD ● 106 | Merredin Road Board | 1924-25 |
| Hawker | C. H. S. | Merredin | Chevrolet | MD ● 251 | Merredin Road Board | 1927-28 |
| Hawker | H. D. | Merriden | Chevrolet | MD ● 106 | Merredin Road Board | 1925-26 |
| Hawker | Trevor | Wongan Hills | Dodge | WB ● 120 | Wongan-Ballidu Road Board | 1927-28 |
| Hawker Chomley & Co | - | Leonora | Essex | LM ● 84 | Leonora-Malcolm Road Board | 1927-28 |
| Hawker Chomley & Co | - | Leonora | Graham Truck | LM ● 90 | Leonora-Malcolm Road Board | 1927-28 |
| Hawker Chomley & Co Ltd | - | Leonora | Ford Truck | LM ● 42 | Leonora-Malcolm Road Board | 1926-27 |
| Hawker Chomley & Co Ltd | - | Leonora | Ford | LM ● 43 | Leonora-Malcolm Road Board | 1926-27 |
| Hawker Chomley & Co Ltd | - | Leonora | Ford | LM ● 59 | Leonora-Malcolm Road Board | 1926-27 |
| Hawker Chomley Co Ltd | - | Leonora | Dodge | LM ● 33 | Leonora-Malcolm Road Board | 1925-26 |
| Hawker Chomley Co Ltd | - | Leonora | Ford Truck | LM ● 42 | Leonora-Malcolm Road Board | 1925-26 |
| Hawker Chomley Co Ltd | - | Leonora | Ford | LM ● 57 | Leonora-Malcolm Road Board | 1925-26 |
| Hawker Chomley Co Ltd | - | Leonora | Dodge | LM ● 33 | Leonora-Malcolm Road Board | 1926-27 |
| Hawker Chomley Co Ltd | - | Leonora | Dodge | LM ● 33 | Leonora-Malcolm Road Board | 1927-28 |
| Hawker Chomley Co Ltd | - | Leonora | Ford Truck | LM ● 42 | Leonora-Malcolm Road Board | 1927-28 |
| Hawker Chomley Co Ltd | - | Leonora | Ford | LM ● 43 | Leonora-Malcolm Road Board | 1927-28 |
| Hawker Chomley CoLtd | - | Leonora | Ford | LM ● 43 | Leonora-Malcolm Road Board | 1925-26 |
| Hawkes | C. V. | Broome | Dodge | BM ● 44 | Broome Road Board | 1924-25 |
| Hawkes | C. V. | Broome | Dodge | BM ● 44 | Broome Road Board | 1925-26 |
| Hawkes | C. V. | Broome | Dodge | BM ● 44 | Broome Road Board | 1926-27 |
| Hawkes | C. V. | Broome | Dodge | BM ● 44 | Broome Road Board | 1927-28 |
| Hawkes | F. | Marmion Street | B.S.A. 3½ H.P. Motorcycle | P 430 | Perth Municipality | 1915 |
| Hawkins | A. J. | Kalamunda | Ruggles Truck | DR ● 26 | Darling Range Road Board | 1924-25 |
| Hawkins | A. J. | Kalamunda | Ruggles Truck | DR ● 26 | Darling Range Road Board | 1925-26 |
| Hawkins | A. J. | Kalamunda | Ruggles Truck | DR ● 26 | Darling Range Road Board | 1926-27 |
| Hawkins | A. J. | Kalamunda | Ruggles Truck | DR ● 26 | Darling Range Road Board | 1927-28 |
| Hawkins | E. C. | 96 Barker Road, Subiaco | Chevrolet | 9047 | Metro Private Car | 1925-26 |
| Hawkins | E. J. | Albany | Indian 5 H.P. Motorcycle | A 12 | Albany Municipality | 1917-18 |
| Hawkins | F. A. | Nokaning | Dodge | MD ● 26 | Merredin Road Board | 1924-25 |
| Hawkins | F. A. | Nokaning | Ford | MD ● 26 | Merredin Road Board | 1925-26 |
| Hawkins | F. A. | Nokaning | Dodge | MD ● 26 | Merredin Road Board | 1926-27 |
| Hawkins | F. A. | Nokaning | Dodge | MD ● 26 | Merredin Road Board | 1927-28 |
| Hawkins | F. W. | Corillen RoleyStone | Dodge | 7833 | Metro Private Car | 1925-26 |
