Financial ResultsNewsNorth AmericaTraditional OPVendors Paper challenges continue at PCA The Boise paper unit of Packaging Corporation of America (PCA) had another tough quarter at the end of 2020. By Andy Braithwaite - 29 January 2021 0 Share Facebook Twitter Linkedin Email To continue reading this article, you must have a paid membership. Join now from just £5 Existing paying members, please log in to access the full story. Username: Password: Forgot password If you are not a paying member, sign up now: