| Summers | J. D. | Bridgetown | Ford | B ● 79 | Bridgetown Road Board | 1924-25 |
| Summers | J. D. | Bridgetown | Ford | B ● 79 | Bridgetown Road Board | 1925-26 |
| Summers | J. D. | Bridgetown | Ford | B ● 79 | Bridgetown Road Board | 1926-27 |
| Summers | J. D. | Bridgetown | Bean Truck | B ● 77 | Bridgetown Road Board | 1927-28 |
| Summers | J. D. | Bridgetown | Gray | B ● 79 | Bridgetown Road Board | 1927-28 |
| Summers | J. R. | Hotel Cecil Cannington | Chevrolet | 5225 | Metro Private Car | 1924-25 |
| Summers | J. R. | Hotel Cecil Cannington | Chevrolet | 5225 | Metro Private Car | 1925-26 |
| Summers | Sid | Walgoolan | Ford Truck | MD ● 217 | Merredin Road Board | 1926-27 |
| Summers | Sid | Walgoolan | Ford Truck | MD ● 217 | Merredin Road Board | 1927-28 |
| Summers | W. A. | 51 Heytesbury Road, Subiaco | Morris- Cowley | 5180 | Metro Private Car | 1926-27 |
| Summers | W. A. | 430 Hay Street, Perth | Morris-Cowley | 5180 | Metro Private Car | 1924-25 |
| Summers | W. A. | 51 Heytesbury Road, Subiaco | Morris- Cowley | 5180 | Metro Private Car | 1925-26 |
| Summers | W. A. | Bunbury | Morris-Cowley | BY 55 | Bunbury Municipality | 1927-28 |
| Summucks | Mrs R. R. | Kellerberrin | Overland 25 H.P. | KE ● 22 | Kellerberrin Road Board | 1917-18 |
| Sumner | A. A. | Pantapin | Oakland | Q ● 86 | Quairading Road Board | 1927-28 |
| Sumons | H. T. | Scotts Brook | Ford | BU ● 9 | Upper Blackwood Road Board | 1927-28 |
| Sumptin & Son | - | Cliff Street, Fremantle | Vulcan Wagon | 3841 | Metro Hire or Trade | 1927-28 |
| Sumpton | - | High Street | Willys (Overland) 20 H.P. | F 10 | Fremantle Municipality | 1915 |
| Sumpton | J. | Irwin Street, East Fremantle | Overland | 6185 | Metro Private Car | 1925-26 |
| Sumpton | J. | Irwin Street, Fremantle | Nash | 14233 | Metro Private Car | 1926-27 |
| Sumpton | J. | Irwin Street, Fremantle | Nash | 14233 | Metro Private Car | 1927-28 |
| Sumpton | J. A. | High Street Fremantle | Siddley Wolseley | 1808 | Metro Private Car | 1923-24 |
| Sumpton | W. J. | Bellevue Street | Ford 20 H.P. | EF 107 | East Fremantle Municipality | 1917-18 |
| Sumpton | W. J. | Bellevue Street | Ford 20 H.P. | EF 107 | East Fremantle Municipality | 1919 |
| Sumpton | W. J. | Belevue Street, East Fremantle | Daimler Wagon | 3246 | Metropolitan Hire and Trade Cars | 1923-24 |
| Sumpton | W. J. | Belevue Street, East Fremantle | Daimler Wagon | 3247 | Metropolitan Hire and Trade Cars | 1923-24 |
| Sumpton | W. J. | Belevue Street, East Fremantle | Daimler Wagon | 3271 | Metropolitan Hire and Trade Cars | 1923-24 |
| Sumpton | W. J. | Bellevue, Street, East Fremantle | Pearless Wagon | 3953 | Metropolitan Hire and Trade Cars | 1923-24 |
| Sumpton | W. J. | Beach Street, Fremantle | Daimler Wagon | 3246 | Metro Private Car | 1924-25 |
| Sumpton | W. J. | Beach Street, Fremantle | Daimler Wagon | 3247 | Metro Private Car | 1924-25 |
| Sumpton | W. J. | Beach Street, Fremantle | M. Trailer | 3975 | Metro Hire or Trade | 1924-25 |
| Sumpton | W. J. | Bellevue Street, East Fremantle | Studebaker | 575 | Metro Private Car | 1924-25 |
| Sumpton | W. J. | Beach Street, Fremantle | Daimler | 3872 | Metro Hire or Trade | 1925-26 |
| Sumpton | W. J. | Beach Street, Fremantle | Renault | 3873 | Metro Hire or Trade | 1925-26 |
| Sumpton | W. J. | Bellevue Street, East Fremantle | Studebaker | 575 | Metro Private Car | 1925-26 |
| Sumpton | W. J. | Angwing Street, East Fremantle | Hudson | 5599 | Metro Private Car | 1926-27 |
| Sumpton | Wm. J. | Bellevue Street, East Fremantle | Studebaker | 575 | Metro Private Car | 1923-24 |
| Sumpton & Sons | - | Beach Street, Fremantle | Trailer | 3975 | Metro Hire or Trade | 1926-27 |
| Sumpton & Co | - | High Street | Willey Overland Lorry 20 H.P. | F 10 | Fremantle Municipality | 1916 |
| Sumpton & Coy. | - | High Street | Willys-Overland 20 H.P. Motor Lorry or Van | F 10 | Fremantle Municipal Council | 1917-18 |
| Sumpton & Coy. | - | High Street | Overland 20 H.P. Motor Lorry or Van | F 116 | Fremantle Municipal Council | 1917-18 |
| Sumpton & Coy. | - | Leake Street | Willys-Overland 25 H.P. | F 10 | Fremantle Municipal Council | 1919 |
| Sumpton & Coy. | - | Leake Street | Willys-Overland 25 H.P. | F 116 | Fremantle Municipal Council | 1919 |
| Sumpton & Smith | - | Beach Street, Fremantle | Overland | 3285 | Metro Private Car | 1924-25 |
| Sumpton & Smith | - | Beach Street, Fremantle | Commerce Bus | 3911 | Metro Hire or Trade | 1924-25 |
| Sumpton & Smith | - | Beach Street, Fremantle | Ford Coach | 3924 | Metro Hire or Trade | 1924-25 |
| Sumpton & Smith | - | Beach Street, Fremantle | Transport W. | 3930 | Metro Hire or Trade | 1924-25 |
| Sumpton & Smith | - | Beach Street, Fremantle | Overland | 3285 | Metro Hire or Trade | 1925-26 |
| Sumpton & Smith | - | Beach Street, Fremantle | Transport Wagon | 3930 | Metro Hire or Trade | 1925-26 |
| Sumpton & Smith | W. G. & G. | Beach Street, East Fremantle | Reo. Ch. | 3903 | Metro Hire or Trade | 1924-25 |
