Dinova, the marketplace focused on connecting business diners and restaurants, has added Red Robin Gourmet Burgers and Brews to its offerings; the brand has more than 560 restaurants across the US and Canada. Dana Benfield, senior vice president of Red Robin, said the deal was an opportunity to expand the company’s business by reaching customers within the Dinova network of more than 300 corporations. Dinova restaurants now represent more than 14,000 dining locations. It says it is the only company exclusively dedicated to connecting expense-account diners to restaurants nationwide. Dinova, according to the company, influences more than $7 billion annually in business meals and entertainment expenses. Participating companies range from many small and medium-sized businesses to hundreds of Fortune 500 enterprises.