| Thomson | W. | 159 Attfield Street, Fremantle | Ford Truck | 10323 | Metro Hire or Trade | 1926-27 |
| Thomson | W. | 159 Attfield Street, Fremantle | Ford Truck | 10323 | Metro Hire or Trade | 1927-28 |
| Thomson | W. H. | Tammin | Chevrolet Truck | ME ● 301 | Meckering Road Board | 1927-28 |
| Thomson | W. L. | Existing Lines | Rudge 3½ H.P. Motorcycle | P 656 | Perth Municipality | 1915 |
| Thomson & Co | J.A. | 209 Murray Street | Renault 8 H.P. | P 509 | Perth Municipality | 1917-18 |
| Thomson & Meharry | - | Katanning | Triumph | KA 9 | Katanning Road Board | 1916 |
| Thomson & Meharry | - | Katanning | Triumph Motorcycle | KA ● 9 | Katanning Road Board | 1917-18 |
| Thomson & Meharry | - | Katanning | Triumph | KA 9 | Katanning Road Board | 1919 |
| Thomson & Mehary | - | Katanning | B.S.A. 3½ H.P. Motorcycle | KRB 9 | Katanning Road Board | 1915 |
| Thomson & Wooley | - | Dangin | Hupmobile | Q ● 31 | Quairading Road Board | 1925-26 |
| Thomson Bros | - | Pemberton | Chevrolet Truck | WA ● 46 | Warren Road Board | 1924-25 |
| Thomson Bros | - | Pemberton | Chevrolet Truck | WA ● 46 | Manjimup Road Board | 1925-26 |
| Thomson Ltd | J.A. | Murray Street, Perth | Dodge | 938 | Metro Private Car | 1922-23 |
| Thomson's Ltd | - | 209 Murray Street, Perth | Dodge | 938 | Metro Private Car | 1924-25 |
| Thomson's Ltd | - | 209 Murray Street, Perth | Dodge | 938 | Metro Private Car | 1925-26 |
| Thomson's Ltd | - | 209 Murray Street, Perth | Dodge | 938 | Metro Private Car | 1926-27 |
| Thomson's Ltd | - | 209 Murray Street, Perth | Crossley | 938 | Metro Private Car | 1927-28 |
| Thomsons Ltd | - | 209 Murray Street, Perth | Dodge | 938 | Metro Private Car | 1923-24 |
| Thomsons Ltd | - | Murray Street, Perth | Ford | 4363 | Metro Private Car | 1923-24 |
| Thomsons Ltd | - | Murray Street, Perth | Ford | 4362 | Metro Private Car | 1924-25 |
| Thomsons Ltd | - | Murray Street, Perth | Ford | 4362 | Metro Private Car | 1925-26 |
| Thomsons Ltd | - | 209 Murray Street, Perth | Ford Wagon | 14747 | Metro Private Car | 1927-28 |
| Thomsons Ltd | - | 209 Murray Street, Perth | Ford | 13636 | Metro Private Car | 1927-28 |
| Thomton | F. W. | 248 Heytesbury Road, Subiaco | Ford | 11674 | Metro Private Car | 1926-27 |
| Thomton | F. W. | 248 Heytesbury Road, Subiaco | Ford | 11674 | Metro Private Car | 1927-28 |
| Thorley | A. J. | Bridgetown | Dodge | B ● 13 | Bridgetown Road Board | 1927-28 |
| Thorley | C. | - | Dodge | GO ● 192 | Goomalling Road Board | 1926-27 |
| Thorley | C. | - | Dodge | GO ● 192 | Goomalling Road Board | 1927-28 |
| Thorley | C. J. | Gairdner Street | Douglas Motorcycle | N 23 | Northam Municipality | 1922-23 |
| Thorley | C. J. | - | Ford Truck | N 120 | Northam Municipality | 1924-25 |
| Thorley | C. J. | Gairdner Street | Ford Truck | N 120 | Northam Municipality | 1925-26 |
| Thorley | C. J. | Gairdner Street | Ford Truck | N 120 | Northam Municipality | 1926-27 |
| Thorley | C. J. | Gairdner Street | Chevrolet | N 193 | Northam Municipality | 1926-27 |
| Thorley | C. J. | Gairdner Street | Overland | N 102 | Northam Municipality | 1927-28 |
| Thorley | C. J. | Gairdner Street | Ford Ton Truck | N 120 | Northam Municipality | 1927-28 |
| Thorley | C. J. | Gairdner Street | Chevrolet | N 193 | Northam Municipality | 1927-28 |
| Thorley | Claude | Gordon Street | Scott 3½ H.P. Motorcycle | N 37 | Northam Municipality | 1915 |
| Thorley | Claude | Burgoyne Street | Harley-Davidson Motorcycle | N 8 | Northam Municipality | 1922-23 |
| Thorley | Claude | Burgoyne Street | Overland | N 102 | Northam Municipality | 1926-27 |
| Thorley | Claude | Burgoyne Street | Dodge | N 90 | Northam Municipality | 1927-28 |
| Thorley | E. T. & H. J. | North Greenbushes | Hupmobile 17 H.P. | GR ● 1 | Greenbushes Road Board | 1919 |
| Thorley | G. T. | North Greenbushes | Hupmobile | GR1 | Greenbushes Road Board | 1916 |
| Thorley | H. J. | - | Dodge for Trade or Hire | B ● 13 | Bridgetown Road Board | 1922-23 |
| Thorley | H. J. | - | Overland for Trade or Hire | B ● 37 | Bridgetown Road Board | 1922-23 |
| Thorley | H. J. | - | Dodge | B ● 13 | Bridgetown Road Board | 1923-24 |
| Thorley | H. J. | Bridgetown | Hudson | B ● 37 | Bridgetown Road Board | 1923-24 |
| Thorley | H. J. | - | Dodge | B ● 13 | Bridgetown Road Board | 1924-25 |
| Thorley | H. J. | Bridgetown | Hudson | B ● 37 | Bridgetown Road Board | 1924-25 |
| Thorley | H. J. | Bridgetown | Dodge | B ● 13 | Bridgetown Road Board | 1925-26 |
| Thorley | H. J. | Bridgetown | Hudson | B ● 37 | Bridgetown Road Board | 1925-26 |
