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.
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Results for other teams on Saturday means Newcastle United will be promoted to the Premier League on Monday if they beat Preston North End.
Middlesbrough fans have continued to leave tributes to Ugo Ehiogu outside The Riverside football ground.
Two teenage boys have been sent to detention centres after two rooftop rampages in Blakelaw, Newcastle