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Dow Chemical is a diversified global chemicals producer, formed in 2019 as a result of the DowDuPont merger and subsequent separations. The firm is a leading producer of several chemicals, including polyethylene, ethylene oxide, and silicone rubber. Its products have numerous applications in both consumer and industrial end markets.

LyondellBasell is a petrochemical producer with operations in the United States, Europe, and Asia. The company is the world’s largest producer of polypropylene and also a major producer of polyethylene and propylene oxide. Its chemicals are used in various consumer and industrial end products. Well over half of LyondellBasell’s production comes from its North American operations.

Established in 1920 to produce chemicals for Eastman Kodak, Eastman Chemical has grown into a global specialty chemical company with manufacturing sites around the world. The company generates the majority of its sales outside of the United States, with a strong presence in Asian markets. During the past several years, Eastman has sold noncore businesses, choosing to focus on higher-margin specialty product offerings.

Celanese is one of the world's largest producers of acetic acid and its downstream derivative chemicals, which are used in various end markets, including coatings and adhesives. The company is also one of the largest producers of specialty polymers, which are used in the automotive, electronics, medical, building, and consumer end markets. The company also makes cellulose derivatives used in cigarette filters.