International Paper faces intense global competition within the packaging, pulp, and paper manufacturing sectors, with its primary peer and largest rival being WestRock, alongside other major multinational players like Smurfit Westrock, Packaging Corporation of America, and Stora Enso. These industry giants continuously compete for market share across corrugated packaging, containerboard production, and consumer paper grades, utilizing large-scale operational networks to meet fluctuating global customer demands and supply chain requirements.