| MacRobertson's Ltd | - | King Street, Perth | International Wagon | 6531 | Metro Private Car | 1926-27 |
| MacRobertson's Ltd | - | King Street, Perth | International Wagon | 6531 | Metro Private Car | 1927-28 |
| MacRobertsons Ltd | - | King's Street, Perth | Ford Wagon | 2223 | Metro Private Car | 1923-24 |
| MacRobertsons Ltd | - | King Street, Perth | International Wagon | 2835 | Metro Private Car | 1923-24 |
| MacRobertsons Ltd | - | King Street, Perth | Oakland | 4689 | Metro Private Car | 1924-25 |
| MacRobertsons Ltd | - | King Street, Perth | International W. | 6531 | Metro Private Car | 1924-25 |
| MacRobertsons Ltd | - | King Street, Perth | Oakland | 4689 | Metro Private Car | 1925-26 |
| MacRobertsons Ltd | - | King Street, Perth | Morris-Cowley | 11115 | Metro Private Car | 1926-27 |
| MacRobertsons Ltd | - | King Street, Perth | International Wagon | 2835 | Metro Private Car | 1926-27 |
| MacRobertsons Ltd | - | King Street, Perth | Oakland | 4689 | Metro Private Car | 1927-28 |
| MacRobin sons Ltd | - | King Street, Perth | International Wagon | 2835 | Metro Private Car | 1924-25 |
| Maddeford | W. R. | 15 Gallipoli Street, Victoria Park | Ford | 4378 | Metro Private Car | 1927-28 |
| Madden | A. | Arthur River | Dodge | AW ● 31 | West Arthur Road Board | 1924-25 |
| Madden | A. | Arthur River | Dodge | AW ● 31 | West Arthur Road Board | 1925-26 |
| Madden | A. | Arthur River | Dodge | AW ● 31 | West Arthur Road Board | 1926-27 |
| Madden | A. | Arthur River | Dodge | AW ● 31 | West Arthur Road Board | 1927-28 |
| Madden | C. R. | - | Hupmobile 16-18 H.P. | KMC 9 | Kalgoorlie Municipality | 1915 |
| Madden | C. R. | - | Ford 12-16 H.P. | KMC 14 | Kalgoorlie Municipality | 1915 |
| Madden | G. R. | 63 Porter Street | Ford 19 H.P. for Trade or Hire | KMC 67 | Kalgoorlie Municipal Council | 1922-23 |
| Madden | R. | 58 Hanbury Street | Ford 16 H.P. | KMC 14 | Kalgoorlie Municipality | 1916 |
| Madden | W. R. | Hannan Street | Durant | KMC 83 | Kalgoorlie Municipal Council | 1925-26 |
| Maddern | M. H. | Hawkstone Road, Rivervale | Chevrolet | 1313 | Metro Private Car | 1927-28 |
| Maddern | M. H. | Hawkesbury Road, Rievrvale | Pontiac | 7460 | Metro Private Car | 1927-28 |
| Maddigan | G. | 19 Sunbury Road, Victoria Park | Austin | 6868 | Metro Private Car | 1927-28 |
| Maddigan | Georgina | 19 Sunbury Road, Victoria Park | Hudson | 4473 | Metro Private Car | 1927-28 |
| Maddison | A. | Vasse | Chevrolet Truck | SU ● 45 | Sussex Road Board | 1925-26 |
| Maddison | A. | Vasse | Chevrolet Truck | SU ● 45 | Sussex Road Board | 1926-27 |
| Maddison | A. | Vasse | Chevrolet Truck | SU ● 45 | Sussex Road Board | 1927-28 |
| Maddison | Arthur | 24 Kanimbla Road, Nedlands | Chevrolet | 4802 | Metro Private Car | 1927-28 |
| Maddison | L. B. | Kellerberrin | Bean Truck | KE ● 250 | Kellerberrin Road Board | 1926-27 |
| Maddison | L. B. | Kellerberrin | Bean Truck | KE ● 279 | Kellerberrin Road Board | 1926-27 |
| Maddock | N. | - | Chevrolet | NA ● 88 | Nungarin Road Board | 1924-25 |
| Maddock | N. | - | Chevrolet | NA ● 88 | Nungarin Road Board | 1927-28 |
| Maddock | Thos. | 389 Oxford Street, Leederville | Chevrolet | 1744 | Metro Private Car | 1927-28 |
| Maddocks | C. B. | 386 Barker Road, Subiaco | Overland | 5932 | Metro Private Car | 1924-25 |
| Maddocks | J. | 119 Rokeby Road, Subiaco | Ford | 7866 | Metro Private Car | 1925-26 |
| Maddocks | J. | 119 Rokeby Road, Subiaco | Ford | 7866 | Metro Private Car | 1926-27 |
| Maddocks | J. | 119 Rockeby Road, Subiaco | Ford | 7866 | Metro Private Car | 1927-28 |
| Maddox | W. V. | 16 King's Road, Subiaco | Ford | 395 | Metro Private Car | 1923-24 |
| Maddox | W. V. | 16 King's Road, Subiaco | Chevrolet | 395 | Metro Private Car | 1925-26 |
| Maddox | W. V. | 255 Thomas Street, Perth | Rugby | 395 | Metro Private Car | 1926-27 |
| Maddox | W. V. | 16 Kings Road, Subiaco | Ford | 395 | Metro Private Car | 1926-27 |
| Maddox | W. V. | 255 Thomas Street, Perth | Whippet | 395 | Metro Private Car | 1927-28 |
| Maddox | Walter V. | Melrose Bldgs. | F.N. 2½ H.P. Motorcycle | P 22 | Perth Municipality | 1915 |
| Maddox | Walter V. | Melrose Buildings | - | P 22 | Perth Municipality | 1916 |
| Maddox & Laurence | - | 904 Hay Street | Rover 3½ H.P. Motorcycle | P 22 | Perth Municipality | 1919 |
| Maddox & Lawrence | - | 904 Hay Street | Rover 3¼ H.P. Motorcycle | P 22 | Perth Municipality | 1917-18 |
| Maddox & Lawrence | - | 48 King Street, Perth | Ford | 395 | Metro Private Car | 1922-23 |
| Maddren Motors Ltd | Eric. | Hay Street, Perth | Dealers | 20223 | Metro Dealers Car | 1927-28 |
| Madel | I. | 65 Brewer Street | Overland 17 H.P. | P 210 | Perth Municipality | 1919 |
