Dunkin' Donuts LLC, also known as Dunkin' and by the initials DD, is an American multinational coffee and doughnut company and a quick service restaurant. The chain sells over 50 varieties of donuts and more than a dozen coffee beverages as well as an array of bagels, breakfast sandwiches, and other baked goods. Founded in 1950, in Quincy, MA, Dunkin' still uses the original proprietary coffee blend recipe established by its founder Bill Rosenberg. Today, there are more than 13,200 Dunkin’ restaurants worldwide, with over 8,500 restaurants in 41 states across the US and over 3,200 international restaurants across 36 countries. Inspire Brands acquired the chain on December 15, 2020, for $11.3B. Dunkin’ is headquartered in Canton, MA.

Inspire Brands, Inc. is a privately held holding company and the world's 2nd largest restaurant owner and franchisor. Inspire Brands was formed when Arby's Restaurant Group merged with Buffalo Wild Wings in early 2018. Inspire Brands is majority-owned by affiliates of Roark Capital Group, a private equity firm. Roark’s focus is consumer, multi-unit, and franchise brands. Roark Capital Group has over $33B in assets. The Inspire Brands family of restaurants includes Rusty Taco, Sonic, Jimmy John’s, Mister Donut, Baskin-Robbins, and Dunkin Donuts. Inspire manages over 32,600 restaurants, and 650,000 company and franchise members, and has over $32.5B in global system sales. Inspire Brands and Roark Capital are headquartered in Sandy Springs, GA.