Green Bay Converting is known to many as GBC, we're a dynamic team of 200 associates dedicated to exceeding the converting needs of our clients, both large and small. Founded in 1999, GBC has grown to become North America's leading independent, full-service-provider of sanitary tissue products. We are unique in our ability to convert finished product with the most state-of-the-art, automated, high-speed equipment in the industry. One single source of supply—we understand your complete needs.