Avanti West Coast is one of the companies which will be brought back into public ownership under Labour's plans.
Labour will renationalise the railways within five years of coming to power if it wins the general election.
Shadow transport secretary Louise Haigh will unveil the plan today as part of a pledge to “get Britain moving”.
Under the plan, train companies would be brought back into public ownership and run by a new body, Great British Railways, as their privatised contracts expire.