| Tester | A. P. | 129 Lawler Street, Daglish | Ford | 9444 | Metro Private Car | 1926-27 |
| Tester | A. P. | 8 Davis Road, Claremont | ford | 9444 | Metro Private Car | 1927-28 |
| Tester | H. A. | Caledonian Nursery Bayswater | Ford Wagon | 5851 | Metro Private Car | 1925-26 |
| Tester | H. A. | Guildford Road, Bayswater | Ford Wagon | 10432 | Metro Hire or Trade | 1926-27 |
| Tester | H. A. | Guildford Road, Bayswater | Ford | 4053 | Metro Private Car | 1927-28 |
| Tester | H. A. | Guildford Road, Bayswater | Ford Wagon | 10432 | Metro Hire or Trade | 1927-28 |
| Tester | Muriel L | 17 Raphael Street, Subiaco | Ford | 14399 | Metro Private Car | 1927-28 |
| Tester | P. | 17 Raphael Street, Subiaco | Ford | 7232 | Metro Private Car | 1926-27 |
| Tester | P. A. | 398 Rokeby Road, Subiaco | Ford | 8512 | Metro Private Car | 1925-26 |
| Tester | P. A. | 17 Raphale Street, Subiaco | Ford | 11306 | Metro Private Car | 1926-27 |
| Tester | W. H. | Hamilton Street, Bayswater | Studebaker | 3860 | Metro Hire or Trade | 1925-26 |
| Tester | W. H. Senior | Hamilton Street, Bayswater | Ford | 11103 | Metro Private Car | 1927-28 |
| Testrail | A. V. | 144 Eighth Avenue, Maylands | Buick | 9212 | Metro Private Car | 1926-27 |
| Testrall | A. V. | 144 Eighth Avenue, Maylands | Buick | 9212 | Metro Private Car | 1927-28 |
| Tetley | James | Narrogin | Whippet | NGN 168 | Narrogin Municipality | 1927-28 |
| Tetlow | W. | - | Chevrolet Truck | CU ● 146 | Upper Chapman Road Board | 1926-27 |
| Tetlow | W. | - | Chevrolet Truck | CU ● 146 | Upper Chapman Road Board | 1927-28 |
| Tewton | A. W. | Benjaberring | Ford | WM ● 213 | Wyalkatchem Road Board | 1926-27 |
| Tewton | A. W. | Benjaberring | Ford | WM ● 213 | Wyalkatchem Road Board | 1927-28 |
| Texas Oil Co | - | Saint George's Terrace, Perth | Ford | 2397 | Metro Private Car | 1925-26 |
| Thacker | W. J. | c/o Baker Bros. East Fremantle | Buick | 1665 | Metro Private Car | 1923-24 |
| Thacker | W. J. | Silvas Street, East Fremantle | Oakland | 6047 | Metro Private Car | 1924-25 |
| Thacker | W. J. | Silvas Street, East Fremantle | Oakland | 6047 | Metro Private Car | 1925-26 |
| Thacker | W. J. | Silvas Street, East Fremantle | Oakland | 6047 | Metro Private Car | 1926-27 |
| Thacker | W. J. | Silas Street, East Fremantle | Oakland | 6047 | Metro Private Car | 1927-28 |
| Thackeray | R. F. | Carroll, Toodyay | Overland | T ● 28 | Toodyay Road Board | 1925-26 |
| Thackeray | R. F. | Toodyay | Chrysler | T ● 129 | Toodyay Road Board | 1926-27 |
| Thackeray | R. F. | Toodyay | Chrysler | T ● 129 | Toodyay Road Board | 1927-28 |
| Thackray | R. E. | Bolgart | Ford | T ● 28 | Toodyay Road Board | 1922-23 |
| Thackray | R. E. | Bolgart | Overland | VP ● 85 | Victoria Plains Road Board | 1927-28 |
| Thackray | R. E. | Calingiri | Armstrong-Siddeley | VP ● 101 | Victoria Plains Road Board | 1927-28 |
| Thackray | R. F. | Toodyay | Ford | T ● 28 | Toodyay Road Board | 1923-24 |
| Thain | C. A. & L. H. | Dudinin | Chevrolet Truck | RE ● 107 | Roe Road Board | 1925-26 |
| Thain | C. H. | Dudinin | Chevrolet Truck | KU ● 26 | Kulin Road Board | 1927-28 |
| Thain | C. H. & L. A. | Dudinin | Chevrolet Truck | KU ● 26 | Kulin Road Board | 1926-27 |
| Thain | D. W. | Bridgetown | Rugby | B ● 31 | Bridgetown Road Board | 1925-26 |
| Thain | Duncan | - | Overland 21 H.P. | B ● 31 | Bridgetown Road Board | 1922-23 |
| Thain | Duncan | - | Overland 21 H.P. | B ● 31 | Bridgetown Road Board | 1923-24 |
| Thain | Duncan | - | Rugby | B ● 31 | Bridgetown Road Board | 1924-25 |
| The Bairds | - | Wellington Street, Perth | Talbot Wagon | 1420 | Metro Private Car | 1923-24 |
| The Bairds | - | Wellington Street, Perth | Oakland | 1421 | Metro Private Car | 1923-24 |
| The Bairds | - | Wellington Street, Perth | Studebaker | 1422 | Metro Private Car | 1923-24 |
| The Bairds | - | Wellington Street, Perth | Talbot Wagon | 1420 | Metro Private Car | 1924-25 |
| The Bairds | - | Wellington Street, Perth | Oakland | 1421 | Metro Private Car | 1924-25 |
| The Bairds | - | Wellington Street, Perth | Studebaker Wagon | 1422 | Metro Private Car | 1924-25 |
| The Bairds Co | - | Hay Street | Overland 30 H.P. | P 324 | Perth Municipality | 1915 |
| The Bairds Co | - | Wellington Street, Perth | Overland | 1423 | Metro Private Car | 1923-24 |
| The Bairds Co | - | Wellington Street, Perth | Dodge | 1424 | Metro Private Car | 1923-24 |
| The Bairds Co | - | Wellington Street, Perth | Dodge | 1425 | Metro Private Car | 1923-24 |
| The Bairds Co | - | Wellington Street, Perth | Talbot | 1426 | Metro Private Car | 1923-24 |