| Thomas | Victor | 187 Lord Street, Perth | Dodge Wagon | 2064 | Metro Private Car | 1927-28 |
| Thomas | W. | Perth | Overland 18 H.P. | P 1005 | Perth Municipality | 1917-18 |
| Thomas | W. | Springdale, Beverley | Rudge 3 ½ H.P. | BE ● 13 | Beverley Road Board | 1919 |
| Thomas | W. | 448 Hay Street, Perth | Overland 18-20 H.P. | P 1005 | Perth Municipality | 1919 |
| Thomas | W. | Carnarvon | Ford Truck | CN 45 | Carnarvon Municipal Council | 1924-25 |
| Thomas | W. | Carnarvon | Ford Truck | CN 45 | Carnarvon Municipal Council | 1925-26 |
| Thomas | W. | Carnarvon | G.M.C. Truck | CN 54 | Carnarvon Municipal Council | 1925-26 |
| Thomas | W. | Coolgardie | Chevrolet | CG ● 18 | Coolgardie Road Board | 1925-26 |
| Thomas | W. | Carnarvon | Ford Truck | CN 45 | Carnarvon Municipal Council | 1926-27 |
| Thomas | W. | Carnarvon | G.M.C Truck | CN 54 | Carnarvon Municipal Council | 1926-27 |
| Thomas | W. | Coolgardie | Chevrolet | CG ● 18 | Coolgardie Road Board | 1926-27 |
| Thomas | W. | Ballidu | Bean Truck | WB ● 194 | Wongan-Ballidu Road Board | 1927-28 |
| Thomas | W. | Coolgardie | Chevrolet | CG ● 18 | Coolgardie Road Board | 1927-28 |
| Thomas | W. & Co. | Gairdner Street | Buick | N 59 | Northam Municipality | 1927-28 |
| Thomas | W. & N. | Carnarvon | Ford Truck | CN 58 | Carnarvon Municipal Council | 1924-25 |
| Thomas | W. & N. | Carnarvon | Ford Truck | CN 58 | Carnarvon Municipal Council | 1926-27 |
| Thomas | W. & N. | Carnarvon | Overland | CN 76 | Carnarvon Municipal Council | 1926-27 |
| Thomas | W. & N. | Carnarvon | Chevrolet Truck | CN 8 | Carnarvon Municipal Council | 1927-28 |
| Thomas | W. & N. | Carnarvon | Ford Truck | CN 58 | Carnarvon Municipal Council | 1927-28 |
| Thomas | W. & N. | Carnarvon | Dodge | CN 75 | Carnarvon Municipal Council | 1927-28 |
| Thomas | W. & N. | Carnarvon | Willys-Knight | CN 76 | Carnarvon Municipal Council | 1927-28 |
| Thomas | W. A. | Keane Street | Overland 20 H.P. | PG 9 | Peppermint Grove Road Board | 1916 |
| Thomas | W. A. | Keane Street | Overland 20 H.P. | PG ● 9 | Peppermint Grove Road Board | 1917-18 |
| Thomas | W. C. | Quairading | Durant | Q ● 51 | Quairading Road Board | 1925-26 |
| Thomas | W. C. | Quairading | Durant | Q ● 51 | Quairading Road Board | 1926-27 |
| Thomas | W. C. | Quairading | Durant | Q ● 51 | Quairading Road Board | 1927-28 |
| Thomas | W. H. | 47 Gloster Street, Subiaco | Minerva | 79 | Metro Motorcycle | 1922-23 |
| Thomas | W. H. | Venn Street, Collie | Ford | CM 110 | Collie Municipality | 1925-26 |
| Thomas | W. J. | 42 East Street, East Fremantle | Dodge | 9172 | Metro Private Car | 1925-26 |
| Thomas | W. J. | 42 East Street, East Fremantle | Dodge | 9172 | Metro Private Car | 1926-27 |
| Thomas | W. J. | Rhodes Street | Chevrolet | K ● 160 | Kalgoorlie Road Board | 1927-28 |
| Thomas | W. M. | 121 Newcastle Street | Ford 20 H.P. | P 757 | Perth Municipality | 1916 |
| Thomas | W. S. | 56 Galway Street, Leederville | Chevrolet | 11854 | Metro Private Car | 1926-27 |
| Thomas | W. S. | 56 Galway Street, Leederville | Chevrolet | 11854 | Metro Private Car | 1927-28 |
| Thomas | W. W. | Koorda | Chevrolet | WM ● 26 | Wyalkatchem Road Board | 1922-23 |
| Thomas | W.& N. | Carnarvon | Ford Truck | CN 58 | Carnarvon Municipal Council | 1925-26 |
| Thomas | W.& N. | Carnarvon | Overland | CN 76 | Carnarvon Municipal Council | 1925-26 |
| Thomas | Wm. | 29 Ebsworth Street, Mount Lawley | Triumph | 1114 | Metro Motorcycle | 1922-23 |
| Thomas | Wm. and Co. | Fitzgerald Street | Buick | N 59 | Northam Municipality | 1923-24 |
| Thomas & Co | J. | 32 South Terrace, Fremantle | Ford Wagon | 10138 | Metro Hire or Trade | 1927-28 |
| Thomas & Co | W. | Gardiner Street | Ford | N 61 | Northam Municipality | 1917-18 |
| Thomas & Co | W. | Gardiner Street | Chevrolet | N 61 | Northam Municipality | 1919 |
| Thomas & Co | W. | Gairdner Street | Buick | N 59 | Northam Municipality | 1924-25 |
| Thomas & Co | W. | Gairdner Street | Buick | N 59 | Northam Municipality | 1925-26 |
| Thomas & Co | W. | Gairdner Street | Buick | N 59 | Northam Municipality | 1926-27 |
| Thomas & Hamaford | - | | Ford Wagon | MB ● 2 | Marble Bar Road Board | 1924-25 |
| Thomas & Morris | - | 154 William Street, Perth | Dennis Truck | 1391 | Metro Private Car | 1927-28 |
| Thomas & Roberts | - | Quairading | Dodge | Q ● 51 | Quairading Road Board | 1923-24 |
| Thomas & Roberts | - | Quairading | Durant | Q ● 51 | Quairading Road Board | 1924-25 |
| Thomas & Son | J. L. | - | Singer | BE ● 1 | Beverley Road Board | 1926-27 |
