Ever wonder where all the swag at trade shows come from? The Advertising Specialty Institute (ASI) may have your answer. ASI helps to connect promotional products suppliers and distributors, as well as promotions and advertising buyers, through its catalogs, magazines, newsletters, information directories, and websites (including ASICentral.com and Promomart.com). The organization also provides resources on marketing, sales, and e-commerce; conducts advertising industry research; and holds trade shows across the US. ASI has more than 26,000 members in the promotional products industry. Founded in 1950, the group got its start by creating a database of promotional products makers and distributors.