Australia is a large country (7.692 million km² to be precise) and is naturally reliant on high levels of domestic transport considering its size, spread of its population and its distinct growing/agricultural & business areas.
The below graphs indicate the largest fleets operating in Australia as of February 2022.
Judging on the number of Prime Movers, Linfox has a clear lead in this class with a logged qty of 2000 vehicles; 500 ahead of Centurion, the predominantly Mining-based logistics company.
Based on Commercial Vehicles (Commercial vehicles are designed for professional use as load-carriers and tow vehicles. These can include utes, vans and light trucks. taken from carsguide.com.au) Toll & Global Express (Toll Group’s parcel & pallet freight division) have a considerable lead in this field, boosted by its committal to vans, and light trucks to assist parcel & pallet freight on a local level.