| Perth Public Hospital | - | Perth | Ford Ambulance | 4114 | Metro Private Car | 1925-26 |
| Perth Public Hospital | - | Perth | Ford Ambulance | 4114 | Metro Private Car | 1926-27 |
| Perth Road Board | - | - | Ford Truck | P ● 1 | Perth Road Board | 1924-25 |
| Perth Road Board | - | - | Morris-Cowley | 13852 | Metro Private Car | 1926-27 |
| Perth Road Board | - | - | Denis Wagon | 8198 | Metro Private Car | 1926-27 |
| Perth Road Board | - | - | Ford Truck | P ● 1 | Perth Road Board | 1927-28 |
| Perth Road Board | - | - | Ford | P ● 4 | Perth Road Board | 1927-28 |
| Perth Road Board | - | - | Dennis Truck | P ● 9 | Perth Road Board | 1927-28 |
| Perth Roller Flour Mills | - | Perth | B.S.A. 3½ H.P. Motorcycle | P 304 | Perth Municipality | 1916 |
| Perth Roller Flour Mills | - | Dyer Street | Motorcycle | P 304 | Perth Municipality | 1917-18 |
| Perth Roller Flour Mills | - | Dyer Street, West Perth | Hupmobile | 553 | Metro Private Car | 1923-24 |
| Perth Roller Flour Mills | - | Dwyer Street, West Perth | Chevrolet | 6836 | Metro Private Car | 1925-26 |
| Perth Shop Fitting Co | - | 370 Murray Street | Premier 3½ H.P. Motorcycle | P 478 | Perth Municipality | 1915 |
| Perth Tire Centre | - | 975 Hay Street, Perth | Ford | 7414 | Metro Private Car | 1925-26 |
| Perth Tyre Co | - | 978 Hay Street, Perth | Ford | 9458 | Metro Private Car | 1926-27 |
| Perth-Fremantle Co Ltd | - | 304 Murray Street, Perth | Ford Wagon | 3117 | Metro Private Car | 1924-25 |
| Perth-Fremantle Trans Co | - | 42 Cliff Street, Fremantle | International Wagon | 3249 | Metro Private Car | 1924-25 |
| Perth-Fremantle transport Co Ltd | - | 42 Cliff Street, Fremantle | Int. Wagon | 3249 | Metropolitan Hire and Trade Cars | 1923-24 |
| Perth-Fremantle Transport Co Ltd | - | 42 Cliff Street, Fremantle | International Wagon | 3249 | Metro Hire or Trade | 1925-26 |
| Perth-Fremantle Transport Co Ltd | - | 42 Cliff Street, Fremantle. | International Wagon | 3249 | Metro Hire or Trade | 1926-27 |
| Perth-Fremantle Transport Co Ltd | - | 42 Cliff Street, Fremantle | Graham Wagon | 3671 | Metro Hire or Trade | 1926-27 |
| Perth-Fremantle Transport Co, Ltd | - | Cliff Street, Fremantle | Int. Wagon | 3001 | Metropolitan Hire and Trade Cars | 1923-24 |
| Petan Estate | - | Winchester | Ford | CA ● 27 | Carnamah Road Board | 1925-26 |
| Petan Estate | - | Winchester | Ford | CA ● 27 | Carnamah Road Board | 1926-27 |
| Petan Estate | - | Winchester | Ford | CA ● 27 | Carnamah Road Board | 1927-28 |
| Petchell | G. | Williams | Chevrolet | WL ● 33 | Williams Road Board | 1925-26 |
| Petchell | G. | Williams | Chevrolet | WL ● 33 | Williams Road Board | 1926-27 |
| Petchell | G. F. | Williams | Rugby | WL ● 33 | Williams Road Board | 1927-28 |
| Petchell | George | Williams | Chevrolet | WL ● 33 | Williams Road Board | 1924-25 |
| Petchell | I. | East Beverley | Durant | BE ● 71 | Beverley Road Board | 1925-26 |
| Petchell | I. | East Beverley | Durant | BE ● 71 | Beverley Road Board | 1926-27 |
| Petchell | I. | East Beverley | Durant | BE ● 71 | Beverley Road Board | 1927-28 |
| Petchell | Ivan | Beverley | Durant | BE ● 71 | Beverley Road Board | 1923-24 |
| Petchell | Ivan | Beverley | Durant | BE ● 71 | Beverley Road Board | 1924-25 |
| Petchell | J. | Williams | Ford | WL ● 5 | Williams Road Board | 1925-26 |
| Petchell | J. | Williams | Ford | WL ● 5 | Williams Road Board | 1926-27 |
| Petchell | J. | Williams | Ford | WL ● 5 | Williams Road Board | 1927-28 |
| Petchell | John | Williams | Ford | WL ● 5 | Williams Road Board | 1924-25 |
| Petchell | R. | Ballidu | Oakland | WB ● 113 | Wongan-Ballidu Road Board | 1927-28 |
| Petchell | T. | Williams | Chevrolet | WL ● 71 | Williams Road Board | 1927-28 |
| Petchell | Thomas | Williams | Bradbury | WL ● 3 | Williams Road Board | 1922-23 |
| Petchell | Thomas | Williams | Bradbury | WL ● 3 | Williams Road Board | 1923-24 |
| Petchell | W. | Williams | Renown | WL ● 12 | Williams Road Board | 1925-26 |
| Petchell | W. | Williams | Renown | WL ● 12 | Williams Road Board | 1926-27 |
| Petchell | W. H. | Williams | Chevrolet | WL ● 12 | Williams Road Board | 1927-28 |
| Petchell | Wm. | Williams | Renown | WL ● 12 | Williams Road Board | 1924-25 |
| Peter | A. | 403 Murray Street, Perth | A.J.C. & Sidecar | 29 | Metro Motorcycle | 1922-23 |
| Peter & Gillies | - | West Subiaco | Morris-Cowley | 13487 | Metro Private Car | 1926-27 |
| Peter & Gillies | - | West Subiaco | Morris-Cowley | 13487 | Metro Private Car | 1927-28 |
| Peter & Moir | - | 470 William Street, Perth | Chevrolet Truck | 14885 | Metro Private Car | 1927-28 |
