Industry Company Directory

The world's largest corrugated packaging company, formed by the 2024 merger of Smurfit Kappa and WestRock. Operates approximately 500 facilities across 40+ countries with integrated containerboard mills and converting operations spanning Europe, the Americas, and Asia-Pacific. Produces over 14 million tons of paper and board annually.

One of the world's largest producers of containerboard and corrugated packaging, following the completion of its acquisition of DS Smith in 2025. The combined company operates an extensive network of containerboard mills and box plants across North America, Europe, and emerging markets. A leading producer of virgin kraft linerboard.

The third-largest containerboard and corrugated packaging producer in the United States. PCA operates five containerboard mills with approximately 4.7 million tons of annual capacity and over 90 converting plants. Known for operational efficiency and a strong focus on the domestic corrugated market, with a significant virgin kraft linerboard position.

A privately held subsidiary of Koch Industries and one of the largest containerboard producers in North America. GP operates major containerboard mills and a nationwide network of corrugated box plants. Also a significant producer of consumer tissue and pulp products. As a private company, GP does not publicly report detailed financial results.

A leading producer of consumer packaging, primarily paperboard folding cartons, but with a growing presence in fiber-based packaging that intersects with the corrugated market. GPK operates integrated mills and converting facilities and is a key player in sustainable packaging alternatives to plastic.

The world's largest containerboard producer by capacity, headquartered in China. Nine Dragons is a major driver of global OCC demand and containerboard trade flows. The company has expanded into the U.S. market through its ND Paper subsidiary, which operates recycled containerboard mills in the eastern United States.

A global packaging and paper group with significant corrugated and containerboard operations in Europe, particularly Central and Eastern Europe. Mondi operates integrated mills producing kraft paper and containerboard, along with converting operations producing corrugated packaging, industrial bags, and flexible packaging.

The largest privately held corrugated packaging company in the United States and the world's largest producer of 100% recycled containerboard. Founded by Anthony Pratt, the company operates recycled containerboard mills and corrugated box plants across the eastern and southern U.S. Pratt has invested heavily in new capacity with a focus on sustainability.