| Boucher | J. | Dumbleyung | Maxwell | DU ● 21 | Dumbleyung Road Board | 1927-28 |
| Boucher | Jas. | Fitzgerald Street | Ford Truck | N 36 | Northam Municipality | 1924-25 |
| Bouchier | J. | Meekatharra | Republic Truck | MK ● 63 | Meekatharra Road Board | 1925-26 |
| Boueman | J. | Carnamah | Chevrolet Truck | CA ● 112 | Carnamah Road Board | 1926-27 |
| Bouge | D. | Francis Street, Mount Lawley | Studebaker | 3103 | Metro Hire or Trade | 1927-28 |
| Bouge | Mrs M. A. | 119 Goderich Street, East Perth | Essex | 12709 | Metro Private Car | 1927-28 |
| Bougher | Mrs F. | cnr Hay & King streets, Perth | De Dion | 5743 | Metro Private Car | 1924-25 |
| Bougher | Mrs F. | Cnr. Hay & King Street, Perth | De Dion | 5743 | Metro Private Car | 1926-27 |
| Bougher | Mrs F. | Cnr. Hay & King Street, Perth | De Dion | 5743 | Metro Private Car | 1927-28 |
| Bouie & Lupton | - | Nannine | Ford Waggon | NN ● 22 | Nanine Road Board | 1923-24 |
| Bouie & Lupton | - | Nannine | Ford Wagon | NN ● 22 | Nannine Road Board | 1924-25 |
| Boulden | A. | Waterloo | Chevrolet | DA ● 78 | Dardanup Road Board | 1927-28 |
| Boulden | J. L. | Bunbury | Sunbeam 19H.P. | By 27 | Bunbury Municipality | 1922-23 |
| Boulden | J. L. | Bunbury | Overland | BY 27 | Bunbury Municipality | 1923 - 1924 |
| Boulden | J. L. | Bunbury | Overland | By 27 | Bunbury Municipality | 1924-25 |
| Boulden | J. L. | Bunbury | Overland | BY 27 | Bunbury Municipality | 1925-26 |
| Boulden | W. A. | 167 Claremont Avenue, Claremont | Citroen | 11580 | Metro Private Car | 1927-28 |
| Boulden | W. G. | Claremont | Ford | 2301 | Metro Private Car | 1926-27 |
| Boulden | W. G. | 167 Claremont Avenue, Claremont | Ford | 2301 | Metro Private Car | 1927-28 |
| Boulder | W. G. | 167 Claremont Avenue, Claremont | Ford | 2301 | Metro Private Car | 1925-26 |
| Boulder City Brewery | - | Wittenoom Street, Boulder | Ford Lorry | B 44 | Boulder Municipality | 1924-25 |
| Boulder City Brewery | - | Wittenoom Street, Boulder | Ford Lorry | B 44 | Boulder Municipality | 1925-26 |
| Boulder City Brewery | - | Wittenoom Street, Boulder | Ford Lorry | B44 | Boulder Municipality | 1925-26 |
| Boulder Meat Supplies | - | Piesse Street, Boulder | Austin | B 14 | Boulder Municipality | 1924-25 |
| Boulder Meat Supplies | - | Boulder | Lorry | B 39 | Boulder Municipality | 1924-25 |
| Boulder Meat Supply | - | Plesse Street, Boulder | Austin | B 14 | Boulder Municipality | 1925-26 |
| Boulder Meat Supply | - | Boulder | Ford Truck | B 39 | Boulder Municipality | 1925-26 |
| Boulder Meat Supply | - | Boulder | Ford Truck | B39 | Boulder Municipality | 1925-26 |
| Boulder Meat Supply | - | Piesse Street, Boulder | Austin | B 14 | Boulder Municipality | 1926-27 |
| Boulder Meat Supply | - | Boulder | Ford Truck | B 39 | Boulder Municipality | 1926-27 |
| Boulder Meat Supply Ltd | - | 2 Charles Street. South Perth | Austin | 1804 | Metro Private Car | 1927-28 |
| Boulder Municipal Council | - | Burt st | Ford Truck | B 34 | Boulder Municipality | 1926-27 |
| Boulder Municipality Council | - | Boulder | Ford Truck | B 34 | Boulder Municipality | 1927-28 |
| Boulder Perseverance | - | Fimiston | Studebaker | K ● 131 | Kalgoorlie Road Board | 1925-26 |
| Boulder Perseverance | - | Fimiston | Studebaker | K ● 131 | Kalgoorlie Road Board | 1926-27 |
| Boulder Perseverance | - | Fimiston | Studebaker | K ● 131 | Kalgoorlie Road Board | 1927-28 |
| Boulder Perseverance Gold Mine | - | Fimiston | Ford | K ● 2 | Kalgoorlie Road Board | 1924-25 |
| Boulder Perseverance Gold Mine | - | Fimiston | Ford | K ● 2 | Kalgoorlie Road Board | 1925-26 |
| Boultbee | H. | Nalya via Brookton | Hupmobile | BO ● 100 | Brookton Road Board | 1925-26 |
| Boultbee | H. I. | Nalya | Buick | BO ● 100 | Brookton Road Board | 1926-27 |
| Boultbee | H. I. | Nayla | Buick | BO ● 100 | Brookton Road Board | 1927-28 |
| Boultbee | H. T. | Nalyn | Hupmobile | BO ● 100 | Brookton Road Board | 1922-23 |
| Boultbee | H. T. | Nalya | Hupmobile | BO ● 100 | Brookton Road Board | 1923-24 |
| Boulter | W. L | Ballidu | Ford | WB ● 29 | Wongan-Ballidu Road Board | 1926-27 |
| Boulter | W. L. | Ballidu | Ford | WB ● 29 | Wongan-Ballidu Road Board | 1927-28 |
| Boulter | Wm. | Ballidu | Bean Truck | WB ● 217 | Wongan-Ballidu Road Board | 1927-28 |
| Boulter | Wm. Thos. | Queen Victoria Street | Studebaker 25 H.P. | F 109 | Fremantle Municipal Council | 1919 |
| Boulton | C. P. | Tammin | Morris-Cowley | ME ● 243 | Meckering Road Board | 1927-28 |
| Bouncell | G. | Kunanalling | Ford | CG ● 26 | Coolgardie Road Board | 1927-28 |
| Boundy | C. A. | Hannan Street | Ford | KMC 119 | Kalgoorlie Municipal Council | 1922-23 |
