| Dunlop | W. R. | Omega, 95 A 1315, Bremer Bay via Borden | 9WD and 49B, 9E | 1962 |
| Dunlop & Nash | C. H. & L. E. | Brocklehurst, North Dandalup | DN7 | 1912 |
| Dunlop & Nash | C. H. & L. E. | Brocklehurst, North Dandalup | DN7 | 1924 |
| Dunn | A. | Boyatup, Esperance | AD1 | 1912 |
| Dunn | A. | Boyatup, Esperance | AD1 | 1924 |
| Dunn | A. & A. | Kurrenkutten | DN9 | 1912 |
| Dunn | A. & A. | Kurrenkutten | DN9 | 1924 |
| Dunn | A. J. | (Teamster), Souther Cross | A9D | 1912 |
| Dunn | A. J. | Teamster, Southern Cross | A9D | 1924 |
| Dunn | Archibald G. | Dyke Barr, Boyup Brook | 4QY | 1925 |
| Dunn | Chas. | Manna Farm, East Narrogin | CD9 | 1912 |
| Dunn | Chas. | Manna Farm, East Narrogin | CD9 | 1924 |
| Dunn | E. E. G. | Woodburn, Porongorups, via Mt Barker | 2WD and 12A, 19B | 1962 |
| Dunn | G. A. | Loc. 382, Esperance | G3A and 113B, 3A | 1962 |
| Dunn | Geo. J. & H. E. | Stockyard Creek, Bogalup, Esperance | 2QD | 1924 |
| Dunn | George | Cranbrook | GD1 | 1912 |
| Dunn | George | Cranbrook | GD1 | 1924 |
| Dunn | H. E. | Boyatup, Esperance | 9ID and 44D, 6E | 1962 |
| Dunn | Harry Edward | Stockyard Creek, Esperance | 9ID | 1926 |
| Dunn | J. & G. C. | Hillside, Tammin | CW9 and 2C, 71E | 1962 |
| Dunn | James | Commonage, Meekatharra | PG0 | 1924 |
| Dunn | James J. | Robinson Farm, Brookhampton | 4QD | 1924 |
| Dunn | Jas. F. | Commonage, Roebourne | FD2 | 1912 |
| Dunn | Jas. F. | Commonage, Roebourne | FD2 | 1924 |
| Dunn | John | Thelma Farm, N.E. Tammin | D6N | 1912 |
| Dunn | John | Blocks 13060-1, 11825/74, Kurrenkutten | 0DX | 1924 |
| Dunn | John | Thelma Farm, N.E. Tammin | D6N | 1924 |
| Dunn | P. R. J. | St. Alban's, Wagin | P5D | 1912 |
| Dunn | P. R. J. | St. Alban's, Wagin | P5D | 1924 |
| Dunn | Rosie | Boyatup Farm, Esperance | RD2 | 1928 |
| Dunn | Thos. | Rocky Pool, Arthur River | 3DT | 1924 |
| Dunn | William | Porongerup, Mt. Barker, Woodburn, Kalgan River | 2WD | 1924 |
| Dunn | William | Inverdon, Cranbrook | LA3 | 1926 |
| Dunn | Wm. | Porongorup, Mt. Barker, Woodburn, Kalgan River | 2WD | 1912 |
| Dunn | Wm.Henry | Stockyard Creek, Bogalup, Esperance | D2N | 1924 |
| Dunn Bros. | - | Parke Farm, Ravensthorpe | D5B | 1912 |
| Dunn Bros. | - | Cocanarup, Philip River, Ravensthorpe | J8D | 1912 |
| Dunn Bros. | - | Commonage, Geraldton | D4O | 1924 |
| Dunn Bros. | - | Parke Farm, Ravensthorpe | D5B | 1924 |
| Dunn Bros. | - | Cocauarup, Phillips River, Ravensthorpe | J8D | 1924 |
| Dunnage | L. & M. | Belvoir, Carnamah | R3B and 47B, 26A | 1962 |
| Dunne | H. A. | 539, 540, Beacon | T7D and 50A, 37C | 1962 |
| Dunne | John | Homestead, Australind | 7DJ | 1912 |
| Dunne | John | Homestead, Australind | 7DJ | 1924 |
| Dunne | Patk. | Ballingbrook, Kalgoorlie | P7D | 1912 |
| Dunne | Patk. | Ballingbrook, Kalgoorlie | P7D | 1924 |
| Dunnet | A. R. | Springvale, Pemberton | DZ8 and 16B, 115A | 1962 |
| Dunnet | David F. | Tanjanerup, Barrambie, Nannine | LV1 | 1912 |
| Dunnet | Davis F. | Tanjanerup, Barrambie, Nannine | LV1 | 1924 |
| Dunnet | J. V. | Tanjanerup, Nannup | LV1, and 9D, 8E | 1962 |
