Rank Company Group Country Production in 2015 (1,000 ton) Rank by Sales 1 International Paper United States 23315 1 2 Nine Dragon Paper Holdings China 12630 18 3 WestRock United States 12487 4 4 UPM Finland 9771 5 5 Stora Enso Finland 9188 8 6 Oji Paper Company Japan 9115 3 7 Sappi South Africa 7306 15 8 Smurfit Kappa Group Ireland 7000 9 9 DS Smith United Kingdom 6802 13 10 Nippon Paper Japan 6542 11