Chicago Pennant Company, aka "Chipenco", was a company that produced collegiate products for about 70 years ending sometime in the early 1980's. During their history there was a period of about 25-30 years in which they manufactured the college mascot banners. For a deep dive into the history of this company, check out this site: https://pennantfever.weebly.com/blog/category/chicago-pennant-co