Packaging Corporation of America manufactures and sells containerboard and corrugated packaging products in the United States. The company operates through three segments: Packaging, Paper, and Corporate and Other. The Packaging segment offers various containerboard and corrugated packaging products, such as conventional shipping containers used to protect and transport manufactured goods; multi-color boxes and displays that help to merchandise the packaged product in retail locations; and honeycomb protective packaging products, as well as packaging for meat, fresh fruit and vegetables, processed food, beverages, and other industrial and consumer products. This segment sells its corrugated products through a direct sales and marketing organization, independent brokers, and distribution partners. The Paper segment manufactures and sells commodity and specialty papers, as well as communication papers, including cut-size office papers, and printing and converting papers. This segment sells white papers through its sales and marketing organization. The Corporate and Other segment includes corporate support staff services and related assets and liabilities; and transportation assets, such as rail cars and trucks for transportation. Packaging Corporation of America was founded in 1867 and is headquartered in Lake Forest, Illinois.

Conagra Brands, Inc., together with its subsidiaries, operates as a consumer packaged goods food company primarily in the United States. The company operates through four segments: Grocery & Snacks, Refrigerated & Frozen, International, and Foodservice. The Grocery & Snacks segment primarily offers shelf stable food products through various retail channels. The Refrigerated & Frozen segment provides temperature-controlled food products through various retail channels. The International segment offers food products in various temperature states through retail and foodservice channels outside of the United States. The Foodservice segment offers branded and customized food products, including meals, entrees, sauces, and various custom-manufactured culinary products packaged for restaurants and other foodservice establishments. The company sells its products under the Birds Eye, Marie Callender's, Duncan Hines, Healthy Choice, Slim Jim, Reddi-wip, Angie's, BOOMCHICKAPOP brands. The company was incorporated in 1919 and is headquartered in Chicago, Illinois.

Post Holdings, Inc. operates as a consumer packaged goods holding company in the United States and internationally. It operates through four segments: Post Consumer Brands, Weetabix, Foodservice, and Refrigerated Retail. The Post Consumer Brands segment manufactures, markets, and sells branded and private label ready-to-eat (RTE) cereals under Honey Bunches of Oats, Pebbles, and Malt-O-Meal brand names; hot cereal; peanut butter under the Peter Pan brand; and branded and private label dog and cat food products under Rachael Ray Nutrish, Nature's Recipe, 9Lives, Kibbles 'n Bits and Gravy Train brand names. The Weetabix segment primarily manufactures, markets, and distributes branded and private label RTE cereal under Weetabix and Alpen brands; hot cereals and other cereal-based food products; breakfast drinks; protein-based shakes under the UFIT brand, and nutritional snacks, such as muesli. The Foodservice segment produces and distributes egg products primarily under Papetti's and Abbotsford Farms brands, as well as potato products in the foodservice and food ingredient channels. The segment also manufactures certain meat products. The Refrigerated Retail segment produces and distributes side dish, potato, sausage products under Bob Evans, Bob Evans Farms, and Simply Potatoes brands; eggs and egg products under Bob Evans Egg Whites and Egg Beaters brands; and cheese, and other dairy and refrigerated products under Crystal Farms brand. It serves grocery stores, mass merchandise customers, supercenters, club stores, natural/specialty stores, dollar stores, discounters, wholesalers, convenience stores, pet supply retailers, drug store customers, foodservice distributors, and national restaurant chains, as well as sells its products in the military, ecommerce, and foodservice channels. The company was founded in 1895 and is headquartered in Saint Louis, Missouri.

Silgan Holdings Inc., together with its subsidiaries, manufactures and sells rigid packaging solutions for consumer goods products in the United States and internationally. It operates through three segments: Dispensing and Specialty Closures, Metal Containers, and Custom Containers. The Dispensing and Specialty Closures segment offers a range of metal and plastic closures, and dispensing systems for food, beverage, health care, garden, home, personal care, beauty products, and hard surface cleaning products, as well as capping/sealing equipment and detection systems. The Metal Containers segment manufactures and sells steel and aluminum containers for food products, such as pet food, vegetables, soups, proteins, fruits, and other miscellaneous food products, as well as general line metal containers primarily for chemicals. The Custom Containers segment manufactures and sells custom designed and stock plastic containers for use in personal care and health care; food and beverage; household and industrial chemical; pharmaceutical; pet food and care; agricultural; automotive. This segment also provides thermoformed barrier and non-barrier bowls, and trays for food products, such as soups, other ready-to-eat meals, and pet food products; and plastic closures, caps, sifters, and fitments, as well as thermoformed tubs for food, household, and personal care products. The company markets its products primarily through direct sales force, as well as through a network of distributors, and an online shopping catalog. The company was founded in 1987 and is headquartered in Stamford, Connecticut.

Pactiv Evergreen Inc. manufactures and distributes fresh foodservice and food merchandising products, and fresh beverage cartons in the United States, rest of North America, and internationally. It operates in two segments, Foodservice, and Food and Beverage Merchandising. The Foodservice segment offers food containers; drinkware, such as hot and cold cups and lids; and tableware, service ware, and other products. The Food and Beverage Merchandising segment manufactures cartons for fresh refrigerated beverage products, including dairy, juice, and other specialty beverage; clear rigid-display containers, containers for prepared and ready-to-eat food, and trays for meat and poultry and egg cartons; fiber-based liquid packaging board; and supplies fresh carton systems comprises printed cartons, spouts, and filling machinery. It serves its products to full-service restaurants, quick service restaurants, foodservice distributors, supermarkets, grocery and healthy eating retailers, other food stores, food and beverage producers, and food packers and food processors. The company was formerly known as Reynolds Group Holdings Limited. The company was founded in 1880 and is headquartered in Lake Forest, Illinois. Pactiv Evergreen Inc. is a subsidiary of Packaging Finance Limited.

Newell Brands Inc. engages in the design, manufacture, sourcing, and distribution of consumer and commercial products worldwide. The company operates in three segments: Home and Commercial Solutions, Learning and Development, and Outdoor and Recreation. The Commercial Solutions segment provides commercial cleaning and maintenance solution products under the Rubbermaid, Rubbermaid Commercial Products, Mapa, and Spontex brands; closet and garage organization products; hygiene systems and material handling solutions; household products, such as kitchen appliances under the Crockpot, Mr. Coffee, Oster, and Sunbeam brands; small appliances under the Breville brand name in Europe; food and home storage products under the FoodSaver, Rubbermaid, Ball, and Sistema brands; fresh preserving products; vacuum sealing products; and gourmet cookware, bakeware, and cutlery under the Calphalon brand; and home fragrance products under the WoodWick and Yankee Candle brands. The Learning and Development segment offers writing instruments, including markers and highlighters, pens, and pencils; art products; activity-based products; labeling solutions; and baby gear and infant care products under the Dymo, Elmer's, EXPO, Graco, NUK, Paper Mate, Parker, and Sharpie brands. The Outdoor and Recreation segment provides outdoor and outdoor-related products, inlcuding technical apparel and on-the-go beverageware under the Campingaz, Coleman, Contigo, and Marmot brands. It serves warehouse clubs, department and drug/grocery stores, mass merchants, home centers, commercial products distributors, specialty retailers, office superstores and supply stores, contract stationers, e-commerce retailers, and sporting goods, as well as direct to consumers online, select contract customers, and other professional customers. Newell Brands Inc. was founded in 1903 and is based in Atlanta, Georgia.

Tredegar Corporation manufactures and sells aluminum extrusions, polyethylene (PE) films, and plastic and polyester films in the United States and internationally. It operates through three segments: Aluminum Extrusions, PE Films, and Flexible Packaging Films. The Aluminum Extrusions segment produces soft and medium strength alloyed aluminum extrusions, custom fabricated and finished aluminum extrusions for the building and construction, automotive and transportation, consumer durables, machinery and equipment, electrical and renewable energy, and distribution markets; and manufactures mill, anodized, and painted and alloyed aluminum extrusions to fabricators and distributors. The PE Films segment offers single- and multi-layer surface protection films for protecting components of flat panel and flexible displays that are used in televisions, monitors, notebooks, smart phones, tablets, e-readers, and digital signage under the UltraMask, ForceField, ForceField PEARL, Pearl A, and Obsidian brands. This segment provides polyethylene overwrap for bathroom tissue and paper towels, as well as polyethylene overwrap films and films for other markets. The Flexible Packaging Films segment offers polyester-based films for food packaging and industrial applications under the Ecophane and Sealphane brands. Tredegar Corporation was incorporated in 1988 and is headquartered in Richmond, Virginia.

WestRock Company, together with its subsidiaries, provides fiber-based paper and packaging solutions in North America, South America, Europe, Asia, and Australia. It operates through four segments: Corrugated Packaging, Consumer Packaging, Global Paper, and Distribution. The Corrugated Packaging segment produces containerboards, corrugated sheets, corrugated packaging, and preprinted linerboards to consumer and industrial products manufacturers, and corrugated box manufacturers. It also provides structural and graphic design, engineering services and custom, and proprietary and standard automated packaging machines; turn-key installation, automation, line integration, and packaging solutions; machinery solution that creates pouches; and pack temporary displays, as well as lithographic laminated packaging products. The Consumer Packaging segment manufactures and sells folding cartons that are used to package food, paper, beverages, dairy products, confectionery, health and beauty, and other household consumer products, as well as express mail packages for the overnight courier industry. It also offers inserts and labels, as well as rigid packaging and other printed packaging products, such as transaction cards, brochures, product literature, marketing materials, and grower tags, and plant stakes; and paperboard packaging for over-the-counter and prescription drugs. In addition, this segment manufactures and sells solid fiber and corrugated partitions, and die-cut paperboard components. The Global Paper segment manufactures containerboard, paperboard, and specialty grades primarily to corrugated packaging, folding carton, food service, liquid packaging, tobacco, and commercial print markets. The Distribution segment distributes corrugated packaging materials and other specialty packaging products, including stretch films, void fills, carton sealing tapes, and other specialty tapes; and provides contract packing services. The company is based in Atlanta, Georgia. As of July 5, 2024, WestRock Company operates as a subsidiary of Smurfit Kappa Group Plc.