| Baker | Wm. M. | Clive Street, Katanning | 6BW | 1924 |
| Baker & Co. | F. W. | Avon 14188 Nungarin | B1S and 50D, 11E | 1962 |
| Baker & Davey | W.E. & F. A. | Dunford Farm, Waroona | W8Z | 1924 |
| Baker Bros. | - | Rosedale, Thompson's Brook, via Donnybrook | 7KZ | 1924 |
| Baker Pty. Ltd. | J & L . | Abbatoirs Robbs Jetty | J2L and 3D, 21E | 1962 |
| Balaam | V. R. | 6129,6329,3352,7860,6131 Northampton | VB3 and 105E, 108D | 1962 |
| Balaam | W. B. | Gabyon Station, Wuraga | VB3 | 1924 |
| Balaam | W. H. | Hill Cote, Yaba via Norhampton | XB3 | 1912 |
| Balaam | W. H. | Hillcote, Yuba, via Northampton | XB3 | 1924 |
| Balaam | W. H. | Wattle Grove, Northampton | XB3 and 34D, 32E | 1962 |
| Balaam | W. K. | Hope Spring, Northampton | W1K and 45A, 24B | 1962 |
| Balaam | W. W. | 4896, M 1927 441 Mile Peg, Geraldton Highway | WB3 and 105B, 22A | 1962 |
| Balchin | Alfred W. | Glen Eden, Donnelly River, Manjimup | 3QB | 1924 |
| Balcke & King | - | Westlands, Kwolyin | B1K | 1924 |
| Bald | C. J. | Eenuin, Station Bullfinch | C9B and 49D, 19E | 1962 |
| Bald | J. | Enterprise Farm Worsley | 1JA and 59F, 67D | 1962 |
| Balding | A. F & N. M. | Sussex Loc. 2815 - 16, 3146 E. Witchcliffe | 3XW and 19C, 117E | 1962 |
| Balding | Frank | Yillinining, Narrogin | FB8 | 1912 |
| Balding | Frank | Yilliminning, Narrogin | FB8 | 1924 |
| Baldock | A. E & J. M. | Marjoray Kulin | 8EB and 33C, 49E | 1962 |
| Baldock | C. E. | 1352 Bridgetown | 9KB | 1962 |
| Baldock | H. W. | Lucerndale Denmark | B6Z and 8B, 23E | 1962 |
| Baldock | H.W. | Burra Burn Farm, Salmon Gums, via Norseman | Y4U | 1924 |
| Baldock | W. J. | 5625, 5846 - 43 -11, 5729, 5345 Pingelly | WG3 and 30B, 8E | 1962 |
| Baldwin | Alf. | Fig Grove, Serpentine | BV8 | 1924 |
| Baldwin | Edmund | Plantagenet Loc. 654, Kent Loc. 369, Ongerup | 5BN | 1924 |
| Baldwin | Jas. H. | Roeburne | 1NO | 1924 |
| Baldwin | R. | Homestead, Serpentine | B1R | 1912 |
| Baldwin | R. | Homestead, Serpentine | B1R | 1924 |
| Baldwin | Thos. | Bungenup, Coogee | 2BT | 1912 |
| Baldwin | Thos. | Bungenup, Coogee | 2BT | 1924 |
| Baldwin | W. G. | 262 - 289 Serpentine | B9N | 1962 |
| Baldwinson, Jose & Brand | - | Grenelleu, Mullewa | 3BX | 1924 |
| Bale | William | Katanning | 9SW | 1928 |
| Balfour Downs Pastoral Syndicate | - | Balfour Downs, Nullagine | O2P | 1924 |
| Balharrie & Risborough | E. J & A. W. | Esp. 810, 811, 835 Neridup 128 Esperance | B0R and 108D, 107E | 1962 |
| Ball | - | Fernihurst Wagin | B7X and 34B, 41E | 1962 |
| Ball | A. C & H. O. | Dongolocking & Bland - Thwaite Dumbleyung | BA2 and 46B, 47A | 1962 |
| Ball | Alex | Rylestone, Katanning | RL3 | 1912 |
| Ball | Alex | Rylestone, Katanning | RL3 | 1924 |
| Ball | Arthur | Flat Rock Farm, Wongamine | 4BO | 1924 |
| Ball | Benj. Junr. | Farmhurst, Wagin | B7X | 1924 |
| Ball | C. B. | Glenalbyn & Tinkelelup Katanning | 1WB and 2C, 7E | 1962 |
| Ball | C. E. | 19 Bulannia Road Leederville | B7X | 1962 |
| Ball | Chas. | Balandine, Moora | C0T | 1912 |
| Ball | Chas. | Urana, Gnowangerup | 2OZ | 1924 |
| Ball | Chas. | Balandine, Moora | C0T | 1924 |
| Ball | E. C. | Avoca, Mt Barker | BB8 and 38D, 19E | 1962 |
| Ball | E. C. | Caulfield Wagin | BC4 and 42D, 110E | 1962 |
| Ball | G. A & B. J. | Yesamville Hay754 Mt Barker | 0BA and 25B, 12E | 1962 |
