Customer services and call centres generate more than 150 million pounds a year for Sunderland's economy.
Representatives from Barclays, npower, 2Touch, and UKAR are among those who will be attending the event.
Jill Hendry says that the event has changed her life.
She was among the 750 who visited last year and has since started a job.
More top news
A series of special pop up performances in Newcastle will mark the start of the Battle of the Somme.
Sir Peter Bazalgette will be among leading industry figures to be honoured by Sunderland University
Over two thousand men from the North East were killed in the battle. St Nicholas’ Cathedral in Newcastle is hosting today's commemorations.