Packaging Corporation of America has pledged a $1 million gift to help construct the University of Maine Engineering Education and Design Center, according to UMaine Pulp & Paper Foundation President Carrie Enos. PCA is one of the largest producers of containerboard and corrugated packaging products in the U.S., and a corporate member of UMPPF. Headquartered read more $1 million corporate gift pledged for UMaine engineering building