| Millars Co Ltd | T & T. | Perth | Ford | 4471 | Metro Private Car | 1926-27 |
| Millars Co Ltd | T. & T. | Saint George's House, Perth | Ford | 13712 | Metro Private Car | 1926-27 |
| Millars Co Ltd | T. & T. | Saint George's House, Perth | Ford Wagon | 13720 | Metro Private Car | 1926-27 |
| Millars Co Ltd | T. & T. | Saint George's House, Perth | Chevrolet | 13911 | Metro Private Car | 1926-27 |
| Millars Co Ltd | T. & T. | Saint Georges House, Perth | Ford | 13712 | Metro Private Car | 1927-28 |
| Millars Co Ltd | T. & T. | Saint Georges House, Perth | Ford Wagon | 13720 | Metro Private Car | 1927-28 |
| Millars T&T Co | - | Saint George's House | Overland 30 H.P. | P 655 | Perth Municipality | 1917-18 |
| Millars T. & T. Co | - | Marine Terrace, Geraldton | Dodge | GN 35 | Geraldton Municipality | 1927-28 |
| Millars Timber & Trading Co | - | Bruce Rock | Ford for Trade or Hire | BK ● 36 | Bruce Rock Road Board | 1922-23 |
| Millars Timber & Trading Co | - | Bruce Rock | Ford | BK 36 | Bruce Rock Road Board | 1923 - 1924 |
| Millars Timber & Trading Co | - | Marine Terrace, Geraldton | Essex | GN 35 | Geraldton Municipality | 1925-26 |
| Millars Timber & Trading Co | - | Wyalkatchem | Ford | WM ● 9 | Wyalkatchem Road Board | 1925-26 |
| Millars Timber & Trading Co | - | Northam | Ford | N 188 | Northam Municipality | 1925-26 |
| Millars Timber & Trading Co | - | Bruce Rock | Dodge | BK ● 36 | Bruce Rock Road Board | 1925-26 |
| Millars Timber & Trading Co | - | Saint George's Terrace, Perth | Dodge | 7958 | Metro Private Car | 1925-26 |
| Millars Timber & Trading Co | - | Goomalling | Dodge | GO ● 127 | Goomalling Road Board | 1925-26 |
| Millars Timber & Trading Co | - | Bruce Rock | Dodge | BK ● 36 | Bruce Rock Road Board | 1926-27 |
| Millars Timber & Trading Co | - | Marine Terrace, Geraldton | Essex | GN 35 | Geraldton Municipality | 1926-27 |
| Millars Timber & Trading Co | - | Wyalkatchem | Ford | WM ● 9 | Wyalkatchem Road Board | 1926-27 |
| Millars Timber & Trading Co | - | Saint George's Terrace, Perth | Dodge | 7958 | Metro Private Car | 1926-27 |
| Millars Timber & Trading Co | - | Goomalling | Dodge | GO ● 127 | Goomalling Road Board | 1926-27 |
| Millars Timber & Trading Co | - | Bruce Rock | Dodge | BK ● 36 | Bruce Rock Road Board | 1927-28 |
| Millars Timber & Trading Co | - | Wyalkatchem | Ford | WM ● 9 | Wyalkatchem Road Board | 1927-28 |
| Millars Timber & Trading Co | - | Goomalling | Dodge | GO ● 127 | Goomalling Road Board | 1927-28 |
| Millars Timber & Trading Co Ltd | - | York | Dodge | Y 33 | York Municipality | 1926-27 |
| Millars Timber & Trading Co Ltd | - | York | Dodge | Y 33 | York Municipality | 1927-28 |
| Millars Timber and Trading Co Ltd | - | Geraldton | Ford | GN ● 12 | Geraldton Municipality | 1923-24 |
| Millars Timber Co | - | Saint George's House, Perth | Thornycroft Wagon | 6363 | Metro Private Car | 1924-25 |
| Millars Timber Co | - | Saint George's House, Perth | Thornycroft Wagon | 6363 | Metro Private Car | 1925-26 |
| Millars Timber Co | - | Saint George's House, Perth | Thornycroft Wagon | 6363 | Metro Private Car | 1926-27 |
| Millars Timber Company | - | Perth | Dodge | 5311 | Metro Private Car | 1924-25 |
| Millars Trading Co | - | Nash Street, East Perth | Thornycroft | 13456 | Metro Private Car | 1926-27 |
| Millars' Coy. | - | Saint George's Terrace, Perth | Overland | 655 | Metro Private Car | 1922-23 |
| Millars' Timber & Trading Co | - | Bruce Rock | Ford | BK ● 36 | Bruce Rock Road Board | 1924-25 |
| Millbank | C. H. | 17 Bay View Mansions | Studebaker | 9098 | Metro Private Car | 1925-26 |
| Millbank | C. H. | 17 Bay View Mansions | Studebaker | 9098 | Metro Private Car | 1926-27 |
| Millbank | C. H. | 17 Bay View Mansions | Studebaker | 9098 | Metro Private Car | 1927-28 |
| Millbank | R. G. | - | J.A.P. | Y 8 | York Municipality | 1916 |
| Millea | M. | Esperance | Whippet | EO ● 21 | Esperance Road Board | 1927-28 |
| Millen | A. L. | 3 River Street, North Perth | Ford | 7487 | Metro Private Car | 1925-26 |
| Millen | E. B. | 65 North Beach Road | Rex 6 H.P. | P 658 | Perth Municipality | 1919 |
| Millen | R. L. | 109 Ascot Road, Victoria Park | Chevrolet | 9998 | Metro Private Car | 1926-27 |
| Millen | R. L. | 109 Ascot Road, Victoria Park | Chevrolet | 9998 | Metro Private Car | 1927-28 |
| Miller | A. Campbell | Narrogin | Dodge | NGN 81 | Narrogin Municipality | 1927-28 |
| Miller | A. A. | Donnybrook | Dodge | PE ● 163 | Preston Road Board | 1927-28 |
| Miller | A. C. | Narrogin | Overland | NGN 81 | Narrogin Municipality | 1925-26 |
| Miller | A. E. | Wagin | Morris-Cowley | WN ● 34 | Wagin Municipality | 1926-27 |
| Miller | A. E. | Wagin | Morris-Cowley | WN 34 | Wagin Municipality | 1927-28 |
| Miller | A. P. | Donnybrook | Chevrolet Truck | PE ● 122 | Preston Road Board | 1927-28 |
| Miller | A. W. | Narrogin | Essex | NGN 81 | Narrogin Municipality | 1926-27 |