| Thomas & Son | J. L. | Dale | Studebaker | BE ● 38 | Beverley Road Board | 1927-28 |
| Thomas & Son | Mrs | Ravenswood | Ford 20 H.P. | MY 22 | Murray Road Board | 1919 |
| Thomas & Sons | - | Ravenswood | Ford | MY ● 22 | Murray Road Board | 1925-26 |
| Thomas & Sons | - | Ravenswood | Ford | MY ● 164 | Murray Road Board | 1926-27 |
| Thomas & Sons | - | Ravenswood | Ford | MY ● 164 | Murray Road Board | 1927-28 |
| Thomas & Sons. | - | Ravenswood | Ford | MY ● 22 | Murray Road Board | 1924-25 |
| Thomas & Thomas | - | 32 South Terrace, Fremantle | Ford Tr. | 3985 | Metro Hire or Trade | 1924-25 |
| Thomas & Vincent | Miss E. & Mrs I. | 128 Victoria Avenue, Claremont | Essex | 1210 | Metro Private Car | 1927-28 |
| Thomas and Sons | Mr | Ravenswood | Ford | MY ● 22 | Murray Road Board | 1923-24 |
| Thomas Bros | - | Mount Magnet | Chevrolet Truck | MA ● 49 | Mount Magnet Road Board | 1927-28 |
| Thomas Bros | - | Mount Magnet | Chevrolet Truck | MA ● 51 | Mount Magnet Road Board | 1927-28 |
| Thomas Wm. & Co | - | Fitzgerald Street | Chevrolet - for hire | N 59 | Northam Municipality | 1922-23 |
| Thomason | H. J. | Denmark | Chevrolet | DE ● 82 | Denmark Road Board | 1927-28 |
| Thombury | G. F. | 21 Melville Street, Claremont | Ford | 13093 | Metro Private Car | 1926-27 |
| Thomlinson | E. W. | Mundaring | Sunbeam | GE ● 17 | Greenmount Road Board | 1925-26 |
| Thomlinson | Mrs E. | Mundaring | Essex | GE ● 18 | Greenmount Road Board | 1925-26 |
| Thompson | A. | 1st Avenue, Mount Lawley | F.N. 2 H.P. | P 3 | Perth Municipality | 1916 |
| Thompson | A. | Mount House Station, Derby | Ford | KW ● 8 | West Kimberley Road Board | 1924-25 |
| Thompson | A. | Nullagine | International Truck | NU ● 20 | Nullagine Road Board | 1924-25 |
| Thompson | A. | Mount House Station, Derby | Ford | KW ● 1 | West Kimberley Road Board | 1925-26 |
| Thompson | A. | Hay Street, Perth | Ford Dagon | 9435 | Metro Private Car | 1926-27 |
| Thompson | A. | Nullagine | International Truck | NU ● 20 | Nullagine Road Board | 1927-28 |
| Thompson | A. | Greenbushes | Chevrolet | GR ● 51 | Greenbushes Road Board | 1927-28 |
| Thompson | A. B. | Lake Grace | Oakland | LG ● 37 | Lake Grace Road Board | 1925-26 |
| Thompson | A. B. | Lake Grace | Oakland | LG ● 37 | Lake Grace Road Board | 1926-27 |
| Thompson | A. B. | Lake Grace | Oakland | LG ● 37 | Lake Grace Road Board | 1927-28 |
| Thompson | A. C | Wagin | Essex | W ● 40 | Wagin Road Board | 1926-27 |
| Thompson | A. C. | - | Ford 20 H.P. | BO ● 18 | Brookton Road Board | 1922-23 |
| Thompson | A. C. | Wagin West | Chevrolet | W ● 40 | Wagin Road Board | 1923-24 |
| Thompson | A. C. | Brookton | Ford | BO ● 18 | Brookton Road Board | 1923-24 |
| Thompson | A. C. | Brookton | Ford | BO ● 18 | Brookton Road Board | 1924-25 |
| Thompson | A. C. | Wagin West | Chevrolet | W ● 40 | Wagin Road Board | 1924-25 |
| Thompson | A. C. | Brookton | Ford | BO ● 18 | Brookton Road Board | 1925-26 |
| Thompson | A. C. | Wagin | Essex | W ● 40 | Wagin Road Board | 1925-26 |
| Thompson | A. C. | Saint Elmo, Brookton | Studebaker | BO ● 3 | Brookton Road Board | 1926-27 |
| Thompson | A. C. | Brookton | Ford | BO ● 18 | Brookton Road Board | 1926-27 |
| Thompson | A. C. | St Elmo Brookton | Studebaker | BO ● 4 | Brookton Road Board | 1927-28 |
| Thompson | A. C. | Brookton | Ford | BO ● 18 | Brookton Road Board | 1927-28 |
| Thompson | A. C. | Wagin | Essex | W ● 40 | Wagin Road Board | 1927-28 |
| Thompson | A. C. | Dalwallinu | Ford | DL ● 163 | Dalwallinu Road Board | 1927-28 |
| Thompson | A. E | Wongan Hills | Ford | WB ● 43 | Wongan-Ballidu Road Board | 1926-27 |
| Thompson | A. J. | Holyoake | Chevrolet | MY ● 148 | Murray Road Board | 1926-27 |
| Thompson | A. J. | Holyoake | Chevrolet | MY ● 148 | Murray Road Board | 1927-28 |
| Thompson | A. W. | Wagin | Ford | W ● 138 | Wagin Road Board | 1926-27 |
| Thompson | A. W. | Wagin | Ford | W ● 138 | Wagin Road Board | 1927-28 |
| Thompson | Alex | Mount House Station, Derby | Ford | KW ● 8 | West Kimberley Road Board | 1923-24 |
| Thompson | Alex. | Mount House Station, Derby | Ford | KW ● 8 | West Kimberley Road Board | 1922-23 |
| Thompson | B. | Roberts Street, Collie | Chevrolet | CM 79 | Collie Municipality | 1926-27 |
| Thompson | B. | Kellerberrin | Ford | KE ● 103 | Kellerberrin Road Board | 1926-27 |
| Thompson | B. | Kellerberrin | Ford | KE ● 103 | Kellerberrin Road Board | 1927-28 |
