About the Halloween & Costume Association
The Halloween & Costume Association (HCA) is your source for the latest Halloween tricks, tips, and trends! We are the Masters of Halloween, the experts in trick or treat safety and the ultimate guide for epic Halloween costumes!
From the hottest licensed costumes of the season to must-have accessories for the best DIY costumes imaginable, The Halloween & Costume Association (HCA), also known as the Halloween Industry Association (HIA), is the ultimate source for all things Halloween and costume! As a not-for-profit, we represent just about every costume company in the land and have become the voice of the entire industry. If you’re a Halloween manufacturer or member of the industry and would like to learn more or join our association, please visit www.hiaonline.org.