'''Train Operating Companies''' (TOC) are a part of the structure of the railway ([[railroad]]) system in [[Great Britain]]. In [[England]], [[Scotland]] and [[Wales]], most railway track is owned by the state-owned company [[Network Rail]], formerly known as [[Railtrack]]. Passenger trains are operated by privately-owned Train Operating Companies. Different arrangements apply in [[Northern Ireland]].
==List of TOCs==
* North Yorkshire Moors Railway (NY)
* Scotrail (SR)
* Southeastern (SE)
* Southern (SN)
* South West Trains (SW)