| Mammond | W. | 36 Anzac Road, Mount Hawthorn | Chevrolet | 5668 | Metro Private Car | 1924-25 |
| Manchester House | - | Narrogin | Dodge | NGN 113 | Narrogin Municipality | 1925-26 |
| Mandelstam | A. S. | Yarri | Dodge | MN ● 78 | Menzies Road Board | 1927-28 |
| Mandord Ltd | F. | Bazaar Terrace, Perth | G.M.C Truck | 10520 | Metro Hire or Trade | 1926-27 |
| Manfield | F. A. | 44 Walcott Street, Mount Lawley | Chevrolet | 2400 | Metro Private Car | 1923-24 |
| Manford | F. | Esplanade Peppermint Grove | Ford | 6164 | Metro Private Car | 1924-25 |
| Manford | F. | Esplanade Peppermint Grove | Ford | 5435 | Metro Private Car | 1924-25 |
| Manford | F. | Esplanade Peppermint Grove | Ford | 7556 | Metro Private Car | 1925-26 |
| Manford | F. | Esplanade Peppermint Grove | Ford | 6164 | Metro Private Car | 1925-26 |
| Manford | F. | Esplanade Peppermint Grove | Ford | 7556 | Metro Private Car | 1926-27 |
| Manford | F. | Bazaar Terrace, Perth | Ford | 13428 | Metro Private Car | 1926-27 |
| Manford | F. | Bazaar Terrace, Perth | Ford | 13428 | Metro Private Car | 1927-28 |
| Manford | Frank & Co. | Henry Street, Fremantle | Fiat Wagon | 10478 | Metro Hire or Trade | 1927-28 |
| Manford | Frank & Co. | Henry Street, Fremantle | Ford | 7556 | Metro Private Car | 1927-28 |
| Manford | Frank Ltd | Bazaar Terrace, Perth | G.M.C. Truck | 10502 | Metro Hire or Trade | 1927-28 |
| Manford & Co | Frank | Bazaar Terrace, Perth | Trailer | 10358 | Metro Hire or Trade | 1927-28 |
| Manford Ltd | F. | Bazaar Terrace, Perth | Fiat Truck | 10478 | Metro Hire or Trade | 1926-27 |
| Manford Ltd | Frank | Bazaar Terrace, Perth | A.E.C. Wagon | 10535 | Metro Hire or Trade | 1927-28 |
| Manfred | F. & W. | Phillimore Street, Fremantle | Trailer | 10358 | Metro Hire or Trade | 1926-27 |
| Mangall | J. | Johnstone Street, Cottesloe | Chrysler | 9311 | Metro Private Car | 1925-26 |
| Mangall | J. | Johnstone Street, Cottesloe | Chrysler | 9311 | Metro Private Car | 1926-27 |
| Mangall | J. | Johnstone Street, Cottesloe | Chrysler | 9311 | Metro Private Car | 1927-28 |
| Manger | H. C. | 5 GladStone Avenue, South Perth | Dodge | 13039 | Metro Private Car | 1926-27 |
| Manger | H. C. | 5 Gladstone Avenue, South Perth | Dodge | 13039 | Metro Private Car | 1927-28 |
| Manger | T. P. | Preston Point Road, East Fremantle | Rugby | 8537 | Metro Private Car | 1925-26 |
| Manger | T. P. | Preston Point Road, East Fremantle | Rugby | 8537 | Metro Private Car | 1926-27 |
| Manghini | E. A. | Atkinson Street, Collie | Chevrolet | CM 102 | Collie Municipality | 1925-26 |
| Mangini | E. | 12 Nash Street, Perth | Chevrolet Truck | 10697 | Metro Hire or Trade | 1927-28 |
| Mangini | H. | Kanowna | Ford | K ● 106 | Kalgoorlie Road Board | 1926-27 |
| Mangini | H. | Kanowna | Ford | K ● 106 | Kalgoorlie Road Board | 1927-28 |
| Mangini | H. S. | Kanowna | Ford | K ● 106 | Kalgoorlie Road Board | 1925-26 |
| Mangini | M. G. | Tammin | Ford | ME ● 266 | Meckering Road Board | 1926-27 |
| Mangini | M. G. | Tammin | Ford | ME ● 266 | Meckering Road Board | 1927-28 |
| Mangini | S. | Kanowna | Ford | K ● 8 | Kalgoorlie Road Board | 1924-25 |
| Mangler | G. | Claremont | Studebaker | 2423 | Metro Private Car | 1926-27 |
| Mangnall | J. R. | 36 Johnston Street, Peppermint Grove | Austin | 10199 | Metro Hire or Trade | 1926-27 |
| Mangnall | J. R. | 36 Johnston Street, Peppermint Grove | Austin | 10199 | Metro Hire or Trade | 1927-28 |
| Mangus | A. N. | 166 Railway Terrace, Maylands | Essex | 6838 | Metro Private Car | 1927-28 |
| Maniken | H. G. | Eric Street, Cottesloe | Ford | 3201 | Metropolitan Hire and Trade Cars | 1923-24 |
| Maniken | H. G. | Eric Street, Cottesloe | Ford van | 3203 | Metropolitan Hire and Trade Cars | 1923-24 |
| Manjimup Anglican Mission | - | Manjimup | Ford | WA ● 149 | Manjimup Road Board | 1926-27 |
| Manjimup Anglican Mission | - | Manjimup | Ford | WA ● 149 | Manjimup Road Board | 1927-28 |
| Manjimup Road Board | - | Manjimup | Ford Truck | WA ● 100 | Manjimup Road Board | 1925-26 |
| Manjimup Road Board | - | Manjimup | Dodge | WA ● 100 | Manjimup Road Board | 1927-28 |
| Manjimup Trading Co | - | Manjimup P.O. | Maxwell 25 H.P. | WB 5 | Warren Road Board | 1915 |
| Manjimup Trading Co | - | Manjimup P. O. | Maxwell 25 H.P. | WA 5 | Warren Road Board | 1916 |
| Manjimup Trading Co | - | Manjimup | Dodge | WA ● 5 | Warren Road Board | 1924-25 |
| Manjimup Trading Co | - | Manjimup | Dodge | WA ● 5 | Manjimup Road Board | 1925-26 |
| Manjimup Trading Co | - | Manjimup | Ford Truck | WA ● 48 | Manjimup Road Board | 1925-26 |
| Manjimup Trading Co | - | Manjimup | Inter. Truck | WA ● 49 | Manjimup Road Board | 1925-26 |