| Birt Bros. | - | Yardie Station, Onslow | J3Y | 1924 |
| Birt Bros. | - | Border Dale, Tambellup | V7J and 3B, 3E | 1962 |
| Birtles | William | Yilgarn Loc. 731, Noongar | 4KK | 1925 |
| Birtles & sons | W. | Locs. 730, 731, 734, 735, Noongar | 4KK and 14D, 118E | 1962 |
| Bish | G. | Gwent, Piawaning | G0P and 11B, 104E | 1962 |
| Bishop | A. F. | Brockham Park, Lake Grace, W.A. East | BF5 | 1912 |
| Bishop | A. F. | Brockman Park, Lake Grace, Wagin East | BF5 | 1924 |
| Bishop | Arthur J. | Williams Location10176, Lake Grace | O0V | 1924 |
| Bishop | C. L. | Locs. 89, 970, 980, 832, 1151, 1077, Armadale | C2B | 1962 |
| Bishop | Charles | Rockland, Nannup | 7CB | 1912 |
| Bishop | Chas. | Rockland, Nannup | 7CB | 1924 |
| Bishop | Ellen M. | Ellenville Farm, Round Hill-Moora | 5XB | 1924 |
| Bishop | Fredrick | Stock Yard Gully, Dongarra | F0B | 1924 |
| Bishop | Geo. | Summer Station, Greenhills | G5J | 1912 |
| Bishop | Geo. | Summer Station, Greenhills | G5J | 1924 |
| Bishop | Jas. | Millside, Donnybrook | BJ9 | 1912 |
| Bishop | Jas. | Millside, Donnybrook | BJ9 | 1924 |
| Bishop | Jas. | Wheliggie, Three Springs | U3O | 1924 |
| Bishop | M. | Ningham Loc. 2360, Cadoux | 2MB and 25B, 113E | 1962 |
| Bishop | N, S, & E. M. | Glencairn, Lake Grace | N3B and 105B, 14A | 1962 |
| Bishop | Nath. | Donnybrook | NB5 | 1912 |
| Bishop | Nath. | Donnybrook | NB5 | 1924 |
| Bishop | R. C. | Sunshine Farm, Greenhills | R5Z | 1924 |
| Bishop | S. J. | Brockham, Lake Grace | BF5 and26B, 11E | 1962 |
| Bishop | Thos. R. | Glebe Farm, Greenough | TB6 | 1912 |
| Bishop | Thos. R. | Glebe Farm, Greenough | TB6 | 1924 |
| Bishop & Son | - | Leake Loe 2, Holleton via Narembeen | B2S and 25A, 26B | 1962 |
| Bishop, | I. F. | 9507, 9512, Lake Grace | 8FB and 6B, 103A | 1962 |
| Bisset | Harold Lisle | Mt. Ida via Menzies and Leonora | B1Z | 1926 |
| Black | A. T. | Alluota, E. Wagin | A5B and 47B, 106E | 1962 |
| Black | Alex | Swanpool Farm, Yalup Brook | 8BK | 1912 |
| Black | Alex B. | Swanpool Farm, Yalup Brook | 8BK | 1924 |
| Black | Allan B. | Allawah, Cowcowing, Via Korrclocking | Y1B | 1924 |
| Black | C. R. | H. F. Lavoter Road, East Narrogin | R6V | 1912 |
| Black | C. R. | H. F. Lavoter Road, East Narrogin | R6V | 1924 |
| Black | C. R. C | Taainga, East Wagin | C7B | 1912 |
| Black | C. R. C. | Taainga, East Wagin | C7B | 1924 |
| Black | Clare | Lot 108, Three Springs | 2QZ | 1924 |
| Black | Claude C. | 195 Newcastle Street, Perth | G5B | 1927 |
| Black | D. V. | Avon Loc. 11059 Part 8218, 11814, 3396, 11058 part 11047 Quairading | DV7 and 32C, 49E | 1962 |
| Black | E. S. | Barra Barra, Dalwallinu | E3B and 71B, 58F | 1962 |
| Black | F. H. | Sunny Vale, Wagin, East | F3B | 1912 |
| Black | F. H. | Sunny Vale, Wagin East | F3B | 1924 |
| Black | F. V. | 162-3, 172-3, Harvey | F1B | 1962 |
| Black | G. R. | 13169, 7185, 8355, 5828, 6031, 10883, Wagin | GB7 and 32A, 116B | 1962 |
| Black | Grorge Earlto | Roe Loc. 76 and 634, Newdegate | G2B | 1926 |
| Black | Herbert C. | Roe Loc. 625, Newdegate | 9NQ | 1925 |
| Black | J. G. S. | Ida Farm, Yarloop | B8K | 1912 |
| Black | J. G. S. | Ida Farm, Yarloop | B8K | 1924 |
| Black | J. W. | Romford Farm, Harvey | 0UU | 1962 |
