Serco: operates the majority of the AdelaideMetro bus system, covering the entire north and inner south, including the Adelaide O'Bahn (Yellow areas B, C, D)

Southlink: operates in the Outer South (Blue area F)

Torrens Transit: operates CityFree & East-West services (Green areas A & G)

TransitPlus: operates Hills services (Red area E)

TransAdelaide: operates all rail services