Westlake is an American corporation primarily engaged in the production of chemicals and plastics. It was founded in 1986 and is headquartered in Houston, Texas. The company operates through its headquarters and several manufacturing sites across the United States, Europe, and Asia.

Westlake's main products include basic chemicals, vinyls, and polymers. It offers a wide range of chemicals such as ethylene, polyethylene, polyvinyl chloride (PVC), and chlor-alkali products. Moreover, the company produces various vinyl-based products including siding, pipe, window profiles, and films.

Its polymers division offers high-performance polyethylene, specialty PVC compounds, and other specialty resins. On a global scale, Westlake has an extensive presence with multiple subsidiaries, joint ventures, and partnerships. Notably, it acquired Axiall Corporation in 2016, further expanding its product portfolio and geographic reach.

The company's joint venture with Lotte Chemical forms a strong partnership in South Korea, enhancing its market position in Asia. With consistent growth and strategic acquisitions, Westlake has established itself as a global leader in the chemicals and plastics industry. It holds a prominent position in the market, especially in terms of global sales.

Its strong product portfolio and commitment to innovation have allowed the company to stay competitive in a rapidly evolving industry. In recent years, Westlake achieved several noteworthy milestones and expansions. In 2019, it completed the acquisition of NAKAN, a leading global compounding solutions provider.

This acquisition further bolstered Westlake's presence in Europe and expanded its specialty products offerings. Additionally, the company invested in capacity expansions and technology upgrades across its facilities, solidifying its position as an industry leader. As of the latest updates, Westlake continues to focus on driving growth through strategic initiatives and investments.

It remains committed to delivering high-quality products, enhancing its market position, and driving innovations in the chemicals and plastics industry