Here are some good comments and discussion about the possible industries. https://www.reddit.com/r/UnresolvedMysteries/comments/aop378/the_industry_that_buys_t

Here are some good comments and discussion about the possible industries. https://www.reddit.com/r/UnresolvedMysteries/comments/aop378/the_industry_that_buys_the_most_glitter_theory/ https://www.reddit.com/r/UnresolvedMysteries/comments/aop378... tldr; Most likely food, makeup, toothpaste etc. Especially food safe and biodegradable glitters. They are also located close geographically (New Jersey) to those industries.