| Ives | R. G. | 4 George Street, Maylands | Excelsior | 2497 | Metro Private Car | 1923-24 |
| Ivicivich & Son | - | Rockingham Road, Spearwood | Graham Wagon | 3971 | Metro Hire or Trade | 1927-28 |
| Ivimey | A. B. | Perth | Chevrolet | N 125 | Northam Municipality | 1924-25 |
| Ivin | R. | Manjimup | Reo Truck | WA ● 127 | Manjimup Road Board | 1926-27 |
| Ivincevich & Son | - | Rockingham Road, Spearwood | Graham Wagon | 3971 | Metro Hire or Trade | 1925-26 |
| Ivincevich & Son | - | Rockingham Road, Spearwood | Graham Wagon | 3971 | Metro Hire or Trade | 1926-27 |
| Ivincevich & Sons | - | Rockingham Road, Spearwood | Ford Tr. | 3971 | Metro Hire or Trade | 1924-25 |
| Ivincey | A. E. G. | C/o W.A. Farmers Perth | Ford Ambulance | 2552 | Metro Private Car | 1922-23 |
| Ivins | Eric H. | Commercial Hotel, Fremantle | Essex | 12530 | Metro Private Car | 1927-28 |
| Ivoncia | B. | 19 South Street, Fremantle | Ford Wagon | 12527 | Metro Private Car | 1927-28 |
| Iyin | R. | Manjimup | Reo Truck | WA ● 127 | Manjimup Road Board | 1927-28 |
| Izard | A. | Northampton | Armstrong Siddeley | NR ● 163 | Northampton Road Board | 1927-28 |
| Izett | J. | Cardiff | Oakland | CO ● 156 | Collie Road Board | 1927-28 |
