Governor John Carney announced the list on Monday.
Each business is getting up to $5,000 to offer perks to vaccinated customers.
Mrs. Robino's Restaurant in Wilmington is among those taking part.
They're giving a free dinner or lunch of spaghetti and meatballs to anyone who is vaccinated.
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The "Delaware Wins" initiative also has cash prizes that are drawn twice a week, and a grand prize at the end of the month for $302,000.
LINK: List of participating Delaware Wins businesses