| Horrocks & Wadham | - | Fremantle | Ford | 5004 | Metro Private Car | 1925-26 |
| Horrocks & Wadham | - | Beach Street, Fremantle | Dodge | 1799 | Metro Private Car | 1925-26 |
| Horrocks & Wadham | - | Fremantle | Ford | 5004 | Metro Private Car | 1926-27 |
| Horrocks & Wadham | - | Beach Street, Fremantle | Dodge | 1799 | Metro Private Car | 1926-27 |
| Horrocks & Wadham | - | 10 Beach Road, Fremantle | Chevrolet Wagon | 6043 | Metro Private Car | 1926-27 |
| Horrocks & Wadham | - | Beach Street, Fremantle | Hupmobile | 6187 | Metro Private Car | 1926-27 |
| Horrocks & Wadham | - | 10 Beach Street, Fremantle | Ford Wagon | 12145 | Metro Private Car | 1927-28 |
| Horrocks & Wadham | - | 10 Beach Road, Fremantle | Chevrolet Wagon | 6043 | Metro Private Car | 1927-28 |
| Horrocks & Wadham | - | Beach Street, Fremantle | Hupmobile | 6187 | Metro Private Car | 1927-28 |
| Horrocks & Wadham | - | 10 Beach Street, Fremantle | Dodge | 9749 | Metro Private Car | 1927-28 |
| Horrocks & Wadham | - | Beach Street, Fremantle | Dodge | 15832 | Metro Private Car | 1927-28 |
| Horrocks & Wadham | - | 10 Beach Street, Fremantle | Overland | 5004 | Metro Private Car | 1927-28 |
| Horrocks & Wadham | - | Beach Street, Fremantle | Ford | 5016 | Metro Private Car | 1927-28 |
| Horrocks & Wadham Ltd | - | 8 Beach Street, Fremantle | Chevrolet | 4068 | Metro Private Car | 1924-25 |
| Horrocks & Wadham Ltd | - | 10 Beach Street, Fremantle | Ford Truck | 7087 | Metro Private Car | 1925-26 |
| Horrocks & Wadham Ltd | - | 10 Beach Street, Fremantle | Ford Truck | 7087 | Metro Private Car | 1926-27 |
| Horrocks & Wadham Ltd | - | Beach Street, Fremantle | Morris-Cowley | 9605 | Metro Private Car | 1926-27 |
| Horrocks & Wadham Ltd | - | 10 Beach Street, Fremantle | Ford Truck | 7087 | Metro Private Car | 1927-28 |
| Horrocks & Wadham Ltd | - | Beach Street, Fremantle | Morris-Cowley | 9605 | Metro Private Car | 1927-28 |
| Horrocks and Wadham | - | Beach Street, Fremantle | Dodge | 1799 | Metro Private Car | 1923-24 |
| Horrocks and Wadham | - | Beach Street, Fremantle | Ford | 1913 | Metro Private Car | 1923-24 |
| Horrocks and Wadham | - | Beach Street, Fremantle | Ford | 1975 | Metro Private Car | 1923-24 |
| Horsefall | H. | 227 Adelaide Terrace, Perth | Davis | 6652 | Metro Private Car | 1924-25 |
| Horsefield & Brackleman | - | Salisbury Road | Ford 20 H.P. | K ● 51 | Kalgoorlie Road Board | 1922-23 |
| Horsefield & Brackleman | - | Salisbury Road | Ford | K ● 51 | Kalgoorlie Road Board | 1923-24 |
| Horsfall | H. | 227 Adelaide Terrace, Perth | Davis | 7837 | Metro Private Car | 1925-26 |
| Horsfall | H. | 227 Adelaide Terrace, Perth | Davis | 7837 | Metro Private Car | 1926-27 |
| Horsfall | P. | Pingelly | Ford | PN ● 35 | Pingelly Road Board | 1924-25 |
| Horsfall | P. | Pingelly | Ford | PN ● 35 | Pingelly Road Board | 1924-25 |
| Horsfall | P. | Pingelly | Ford | PN ● 35 | Pingelly Road Board | 1925-26 |
| Horsfall | P. | Pingelly | Ford | PN ● 35 | Pingelly Road Board | 1927-28 |
| Horsfall | Percy | Pingelly | Ford | PN ● 37 | Pingelly Road Board | 1922-23 |
| Horsfield | Frank | 14 Saint George's Terrace, Perth | Ford | 4259 | Metro Private Car | 1927-28 |
| Horsfield & Brackelman | - | Slaisbury Street | Ford | K ● 65 | Kalgoorlie Road Board | 1924-25 |
| Horsfield & Brackelman | - | Salisbury Road, Kalgoorlie | Ford | K ● 65 | Kalgoorlie Road Board | 1925-26 |
| Horsfield & Brackelman | - | Salisbury Road, Kalgoorlie | Ford | K ● 65 | Kalgoorlie Road Board | 1926-27 |
| Horsfield & Brackelman | - | Salisbury Road, Kalgoorlie | Ford | K ● 65 | Kalgoorlie Road Board | 1927-28 |
| Horsley | C. | Quairading | Ford | Q ● 71 | Quairading Road Board | 1927-28 |
| Horsley | E. F. | 67 Chelmsford Road, Mount Lawley | Overland | 13556 | Metro Private Car | 1926-27 |
| Horsley | Ernest F | Wagin | Overland 20 H.P. | WM 26 | Wagin Municipality | 1922-23 |
| Horsley | Ernest F. | Wagin | Overland 20 H.P. | WM ● 26 | Wagin Municipality | 1923-24 |
| Horsley | Frank | Wagin | Overland | W ● 39 | Wagin Road Board | 1924-25 |
| Horsley | J. | - | Bradbury | N 4 | Northam Municipality | 1919 |
| Horsman & Bros | - | Bilbarin | Hupmobile | CR ● 197 | Corrigin Road Board | 1927-28 |
| Horsman & Sons | - | Corrigin | Hupmobile | CR ● 197 | Corrigin Road Board | 1926-27 |
| Horswill | T. | Gnowangerup | Ford | GN ● 52 | Gnowangerup Road Board | 1924-25 |
| Horswill | T. | Gnowangerup | Ford | GN ● 52 | Gnowangerup Road Board | 1925-26 |
| Horswill | T. | Gnowangerup | Ford | GN ● 52 | Gnowangerup Road Board | 1926-27 |
| Horswill | T. | Gnowangerup | Ford | GN ● 52 | Gnowangerup Road Board | 1927-28 |
| Horswill | Thomas | Gnowangerup | Ford | GN ● 52 | Gnowangerup Road Board | 1923-24 |
