| Bullock | Harry W. | Lower Warren, Big Brook | 4YB | 1924 |
| Bullock | L. F. | Koonga, Coomberdale | BX0 | 1924 |
| Bullock | L.F. | Koonga, Coomberdale | BX0 | 1912 |
| Bullock | P. L. | M 246-5, M 1289, 1674, 1750, 1255, 1551, Moora | KD3 and 118B, 48A | 1962 |
| Bullock & Sond | L. F. | Koonya, Moora | BX0 and 3C, 4D | 1962 |
| Bulloo Downs Pastrol Co. Ltd. | - | Bulloo Downs, Peak Hill | 1CU | 1924 |
| Bulloo Downs Pastrol Co. Ltd. | - | Bulloo Downs, Peak Hill | 1CU and 17C, 5E | 1962 |
| Bulloo Downs Pastrol Co. Ltd. | - | Ingarragie, Peak Hill | 7DT | 1962 |
| Bulman | R. | Ashton Farm, Wickepin | RS7 and 9E, 7C | 1962 |
| Bulton | Emanuel | Whinbin Rock, Wulunelling | EB1 | 1912 |
| Bulton | Emanuel | Whinbin Rock, Wulunelling | EB1 | 1924 |
| Bumstead | E. B. & H. R. | Knowlmere, Muradup | 0EY and 110B, 6A | 1962 |
| Bunbury | M. C. R. | Busselton | UU1 | 1924 |
| Bunbury | M.C.R. | Busselton | UU1 | 1912 |
| Bunbury | Mrs A. M. R. | Ulijugulup, Busselton; Hudinalup, Sussex | Z1B | 1924 |
| Bunbury | Mrs A. R. | Williambury, Gascoyne | V0U | 1924 |
| Bunbury | Mrs. A.M.R. | Ulijugulup, Hudinalup, Busselton Sussex | Z1B | 1912 |
| Bunbury | Mrs. A.R. | Williambury, Gascoyne | V0U | 1912 |
| Bunbury Municipal Council | - | Municipal Farm, Bunbury | BM6 | 1924 |
| Bunce | E. W. | Braeside, Cowaramup | 2BV | 1962 |
| Bunce | W. F. R. & H. | Adena Valley, Gairduer River | W6H and 23B, 107A | 1962 |
| Bunce Bros | - | Heathville, Woodlands, Rocky Creek, Tamballup | BU2 | 1912 |
| Bunce Bros. | (R. A. & L. A.) | Bridgelea, Dardadine, Via Williams | B0E and 26A, 19C | 1962 |
| Bunce Bros. | - | Heathville, Woodlands, Rocky Creek, Tambellup | BU2 | 1924 |
| Buncle | John | Pendalup, Via Gnowangerup | 5BU | 1924 |
| Buncle | R. J. | Glen Innis, Woodanilling | 5BU and 33C, 20E | 1962 |
| Bungey | E. R. | Chilton, Borden | 9BY and 15B, 102A | 1962 |
| Bungey | Ralph | Highdenup, East Broome Hill | 0BR | 1912 |
| Bungey | Ralph | Highdenup, East Broomhill | 0BR | 1924 |
| Bungey & Co. | N. | Highdenup, Borden | 0BR and 58F, 35B | 1962 |
| Bungey Est. of Co. | - | Arazone, Borden | BC7 and 45A, 20C | 1962 |
| Bunker | A. C. & J. V. | Sundale, Kendenup | C2B and 25B, 11E | 1962 |
| Bunker | G. E. | Happy Valley Farm, Tenterden, P.O. | B9G | 1924 |
| Bunker | H. A. | Brookside Hay Loc. L. 183, Elleker | 6HB and 29B, 84E | 1962 |
| Bunker | I. E. | Glen View, Kendenup | BV5 and 67A, 44B | 1962 |
| Bunker | J. E. | Burnley Vale, Kendenup | B7Z and 44D, 67E | 1962 |
| Bunker | W. J. & J. | Wooltana, Kendenup | BE0 and 67B, 9A | 1962 |
| Bunker & Son | J. F. | Clifton Hill, Kendenup | 6BB and 34C, 6A | 1962 |
| Bunker Bros. | - | Clifton Hill, Tenterden | 6BB | 1912 |
| Bunker Bros. | - | Clifton Hill, Tenterden | 6BB | 1924 |
| Bunn | A. W. | Nel. Loc. 8179-80, 4360 & 4464 | 1BA and 26D, 29E | 1962 |
| Bunnawarra Pastrol Co. | - | Bunnawarra Station, Yalgoo | MO7 (Horns) and 18A, 2C | 1962 |
| Bunney | G. | Rosalind, Kununnoppin | L4T and 39E, 47B | 1962 |
| Bunney | J. V. & J. | 20238, Bruce Rock | 2JV and 84C, 24E | 1962 |
| Bunney | M. H. | Nangkita, Yandanooka | M1H and 45C, 28E | 1962 |
| Bunney | R. A. | Victoria 10233, Three Springs | J3E and 45B, 10A | 1962 |
| Bunney | R. G. | Faifield, Kununoppin | 7JA and 17C, 48A | 1962 |
| Bunning | Thos. | Nooka Station, Carnarvon | T0M | 1912 |
| Bunning | Thos. | Nooka Station, Carnarvon | T0M | 1924 |
| Bunning Bros. Ltd. | - | The Company's Mills, Charles Street, Perth | B5Q | 1924 |
