Packaging Corporation, a leading manufacturer of packaging products and materials began in 1974. GLT started out as Great Lakes Packaging. The move to purchase the assets of Triad Container lead to the formation of Great Lakes-Triad Packaging Corporation (GLT Packaging Corporation).

e serve the automotive, furniture, appliance and food service industries with successful problem solving, innovative packaging design and proven dependability. GLT is committed to providing 100% customer satisfaction for packaging solutions that are just right, just in time, every time.