"train operators" . . "Train Operating Company" . "TOCs" . "train company" . "operator" . "operators" . . "independent rail companies" . . . "on a contract awarded by recurring private franchise" . . "private-sector operators" . . "Train operations" . "train operating companies (TOCs)" . . "National Rail franchisees" . . "train operating companies" . "train" . "Train operating company" . "UK train operators" . "train operator" . "train companies" . "Train Operating Companies" . "Train operating company" . . "train operating company" . . "rail franchises" . . . . . "train-operating companies" . . "Train operating companies" . . . "franchised train operating company" . "passenger operators" . "TOC" .