MJ Holding Company, LLC is one of the largest distributors of trading cards and collectibles in North America. Based in Illinois, USA, MJ Holding partners with major brands like Panini, Topps, and Pokémon to deliver sports cards, entertainment cards, and hobby products to major retail stores such as Walmart, Target, and Walgreens.

The company is known for creating value and mystery boxes, offering collectors a fun and affordable way to enjoy a mix of packs and brands. MJ Holding focuses on accessibility, making trading cards easier to find for both new and experienced collectors across the country.