Possible Clues:

• Dessert company founded in 1928
• Dreyer's, east of the Rockies
• "Grand" brand of ice cream
• "Grand" ice cream maker
• Dessert brand
• “Slow Churned” ice cream brand
• Maker of Brownie Brick Road ice cream
• Dreyer's ice cream, in the Eastern U.S.
• Maker of 'Slow Churned' ice cream
• Slow Churned ice-cream brand