| Mann | Robert | Walkutting Farm, Quairading | RM3 | 1924 |
| Mann & Co. | J. | Marne Nook, Tammin | MN6 and 107D, 17E | 1962 |
| Manners & Sons | W. G. | Scotsdale Estate, Denmark | 7MU | 1924 |
| Manning | A. A. | Moora Lots 69-72 inclusive, Moora | A0M and 32C, 42A | 1962 |
| Manning | A. G. | Mynotis, Benger | 9NA | 1924 |
| Manning | A. N. | Hill Side Station, Marble Bar | M5A | 1912 |
| Manning | A. N. | Hillside Station, Marble Bar | M5A | 1924 |
| Manning | A. W. | Narrogin | Q7M | 1924 |
| Manning | B. J. & K. G. | Myalup, Bunbury | B2K | 1962 |
| Manning | E. D. | Darena, Harvey | 2MZ | 1962 |
| Manning | E. E. | Myrtle Vale Dairy, Cannington | 7EM | 1912 |
| Manning | E. E. | Myrtle Vale Diairy, Cannington | 7EM | 1924 |
| Manning | G. T. H. | Ferndale, Jacob's Well | OM7 | 1924 |
| Manning | H. | Mynotia, Mardella | 9NA and 1C, 118E | 1962 |
| Manning | I. W. | Myalup, Harvey | 0DM and 3C, 84E | 1962 |
| Manning | J. D. | Southbourne, South Perth | 1DM | 1912 |
| Manning | J. D. | Southbourne, South Perth | 1DM | 1924 |
| Manning | J. D. | Southbourne, Bakers Hill | 1DM and 25B, 25E | 1962 |
| Manning | Jos. | Myerlup via Australind | 0DM | 1912 |
| Manning | Jos. | Myerlup, via Australind | 0DM | 1924 |
| Manning | K, G. & L. | Nantawarra, Dangin | OM7 and 33C, 41E | 1962 |
| Manning | L. G. | Riverton, Mardella | L6S and 104D, 22E | 1962 |
| Manning | N. R. | Myanarra, York | NR9 and 112A, 20B | 1962 |
| Manning | T. S. & R. A. | Loc. 139, 788, Westonia | T4M and 30B, 104E | 1962 |
| Manning | V & C. & Solomon S. M. | Wooltana, Mingenew | M2S | 1912 |
| Manning & Manning | - | Pleasant Valley, Narrogin | WA3 and 3D, 115E | 1962 |
| Manning & Son | - | Hill View, Coorow | U7M and 19B, 110E | 1962 |
| Manns | E. R. | 11475, 11487, 7516, Yorkrakine and Kojonup | H0M | 1962 |
| Manns | E. R. & H. W. | Locs. 9542/74, 2475/55, Yorkrakine | H0M | 1925 |
| Manns | J. H. | 9542 /74 and 2475 /55 Yorkrakine | H0M | 1912 |
| Manns | J. H. | 9542/74 &2475/55, Yorkrakine | H0M | 1924 |
| Mannsell & Co. | - | Pirrabundoo, Ashburton R. | 4TJ | 1912 |
| Mannsell & Co. | - | Pirrabundoo, Ashburton River | 4TJ | 1924 |
| Manolas | R. | Wellington Loc. 29, Leschenalt Loc. 26, Bunbury | M4R and 58F, 12C | 1962 |
| Manolini | S. | 3959, 7648, 9094, Kojonup | S5M and 7C, 108E | 1962 |
| Manolini & Sons | A. | 8880 Kojonup Monte Grappa Kojonup | 2MA and 13E, 114D | 1962 |
| Manoni | J. P. | Wellington Loc. 163 and 23, Waterloo | 7PM and 108B, 13E | 1962 |
| Manoni | Peter | Waterloo Farm, Waterloo | 7PM | 1912 |
| Manoni | Peter | Waterloo Farm Waterloo | 7P.M | 1924 |
| Mansbridge & Stow | W. O. & F. O. & B. R. | Inglewood, Narrogin | FB5 | 1924 |
| Mansell | Saml. Jno. | Commonage, Northampton | S8Z | 1924 |
| Mansell Newton & Wood | - | Avon Loc, 17647, Kondinin | O3N | 1924 |
| Mansen | Geo. | Warrungo, Bullock Hills via Katanning | G6M | 1912 |
| Mansen | Geo. | Warrungo, Bullock Hills | G6M | 1924 |
| Mansfield | A. | Maroonah Station, Carnarvon | M3J | 1912 |
| Mansfield | A. | Maroonah Statioin Carnarvon | M3J | 1924 |
| Mansfield | E. R. & S. E. | Swan 5454-5, 2703, 1967, Wanneroo | 1ME and 46C, 112A | 1962 |
| Mansfield | Edw. Paul | Triggs Island, 142 Vincent Street, North Perth | 5ZE | 1924 |
| Mansfield | H. S. | The Depot, Katanning | HM8 | 1912 |
| Mansfield | H. S. | The Depot, Kattaning | HM8 | 1924 |
