A conference will take place in Birmingham today in an attempt to encourage companies to sign up for contracts to help develop HS2.
High Speed 2 is a proposed rail network linking London, Midlands and Northern England. The legislation to build the controversial line cleared the House of Commons last week.
HS2 Ltd says more than 800 companies registered to attend the event which it says will look to inform businesses about how they can get involved in the planning, design and construction of the line.
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The announcement comes a day after a ballot for action by catering supply staff on the West Coast route was launched in a dispute over pay.
Cloudy and breezy tonight with rain. Drier tomorrow.
Turning cloudy and becoming windier later. Patchy rain overnight.