Products made in Massachusetts
Who makes it: Necco (New England Confectionery Company)
The New England Confectionary Company was founded in 1847, making it the oldest multi-line candy company in the United States, according to the company's website. The company is best known for making the Sweethearts Conversation Hearts but they also create Thin Mints and Candy Buttons.
Here you can see Mauricio Chacon, front, and Juan Bermudes produce the company's famous Sweethearts Conversation Hearts candies.