What is a proper name for a store?

A proper noun is the name or title of a specific person, place, or thing. Some proper nouns for the common noun 'store' are:

• Abercrombie and Fitch
• Apple Store
• Hy-Vee Food Stores
• I Found a Million Dollar Baby (in a Five and Ten Cent Store), Bing Crosby
• Macy's
• Trouble in Store (movie 1953)