Here are some popular hard candy brands:

1. Jolly Rancher – Famous for its fruit-flavored hard candies, often in large, rectangular pieces.
2. Lifesavers – Known for their iconic ring-shaped hard candies in various flavors.
3. Werther’s Originals – A brand famous for its rich and smooth butterscotch-flavored hard candies.
4. Dum Dums – Popular for their colorful lollipops, available in a variety of flavors.
5. Chupa Chups – Known for its round lollipops in a variety of flavors, including fruity and creamy options.
6. Tootsie Pops – A lollipop with a chewy Tootsie Roll center and a hard candy shell.
7. Sugarfina – A luxury candy brand offering a range of gourmet hard candies.
8. Brach’s – Known for classic candies like lemon drops, root beer barrels, and fruit drops.
9. Spangler – Makers of Dum Dums, this brand is also known for other classic candies.
10. Hershey’s – While better known for chocolates, they also produce hard candies, including Jolly Ranchers.
11. LifeSavers – Famous for their fruit-flavored and mint-flavored candies.
12. Now and Later – A brand of fruit-flavored hard candies that offer a chewable center.
13. Fireball – Famous for their cinnamon-flavored hard candy that packs a spicy kick.
14. Old-Fashioned Lemon Drops – A nostalgic candy known for its zesty lemon flavor.
15. Coffeemate (Candy) – Known for coffee-inspired hard candies.

These brands offer a wide range of flavors and candy types, from sweet to sour, tangy to minty!