Here are 1-3 brief analogies for Westlake (WLK):

• Like a more specialized Dow Chemical, focusing heavily on producing vinyls, plastics, and essential chemical building blocks for industrial and construction uses.
• Imagine an Owens Corning or CertainTeed (owned by Saint-Gobain) that also manufactures the raw plastics and chemicals, particularly PVC, used in a wide array of building materials.
• Similar to PPG Industries, but instead of paints and coatings, Westlake produces the underlying plastics, polymers, and chemical components essential for manufacturing goods from pipes and siding to packaging.

• Ethylene: A fundamental petrochemical building block used in various industrial processes and polymer production.
• Polyethylene: A widely used plastic resin for packaging, films, containers, and pipes.
• PVC Resins: The base polymer for vinyl products, primarily used in construction materials and pipes.
• PVC Pipe & Fittings: Durable plastic piping systems for water, wastewater, and irrigation infrastructure.
• Building Materials: A range of products including roofing, siding, windows, and fences for residential and commercial construction.
• Chlor-alkali Products: Industrial chemicals like chlorine and caustic soda, vital for many manufacturing processes.

Westlake (symbol: WLK) is a public company that primarily sells its products to **other companies (B2B)**, rather than directly to individuals.

Westlake does not publicly disclose the names of specific major customer companies. According to their annual reports (Form 10-K), no single customer accounted for more than 10% of their consolidated net sales in recent years, indicating a broad and diverse customer base. Therefore, it is not possible to list specific customer company names with their symbols.

However, Westlake's customers can be categorized by the types of businesses they serve within its two primary segments:

1. Industrial Manufacturers and Processors: For its Performance & Essential Materials segment, Westlake sells commodity chemicals such as ethylene, polyethylene, PVC resin, and caustic soda. These products are raw materials and intermediates used by a wide range of industrial manufacturers and processors to produce their own finished goods. These customers span various sectors including construction, automotive, packaging, healthcare, and consumer goods.

2. Building Material Distributors, Wholesalers, and Retailers: For its Housing & Infrastructure Products segment, Westlake manufactures and sells finished building products like PVC pipe and fittings, siding, windows, doors, fencing, decking, and roofing. These products are typically sold to distributors, plumbing supply houses, lumberyards, and large home improvement retailers (which then sell to contractors and individual consumers) serving the residential and commercial construction industries.

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Jean-Marc Gilson, President and Chief Executive Officer

Jean-Marc Gilson was appointed President and Chief Executive Officer of Westlake Corporation in July 2024. Prior to joining Westlake, he served as President and Chief Executive Officer of Mitsubishi Chemical Group Corporation. From 2014 to 2020, Mr. Gilson was the Chief Executive Officer of Roquette, a family-owned global leader in plant-based ingredients. He also served as Vice-Chairman and Chief Operating Officer of NuSil Technology and held various leadership roles at Dow Corning, including Executive Vice President, Specialty Chemicals Business, before becoming CEO of Avantor Performance Materials.

M. Steven Bender, Executive Vice President and Chief Financial Officer

M. Steven Bender has been with Westlake Chemical Corporation since 2005, serving as Executive Vice President and Chief Financial Officer since July 2017. Before joining Westlake, he was the Treasurer of Kellogg Brown and Root (KBR, Inc.), a subsidiary of Halliburton. Prior to that, Mr. Bender held the positions of Assistant Treasurer and various financial management roles at Halliburton Company from 1996 to 2002. He also spent over a decade at Texas Eastern Corporation in various audit, finance, and treasury positions.

Albert Y. Chao, Executive Chairman of the Board

Albert Y. Chao assisted his father, T.T. Chao, and his brother, James Y. Chao, in founding Westlake in 1985. He served as President of Westlake from May 1996 to July 2024 and as Chief Executive Officer from July 2004 to July 2024. Mr. Chao held positions in the Controller's Group of Mobil Oil Corporation, the Technical Department of Hercules Incorporated, and the Plastics Group of Gulf Oil Corporation. He also served as Assistant to the Chairman of China General Plastics Group and Deputy Managing Director of a plastics fabrication business in Singapore. Mr. Chao was a member of the Board of Directors of Titan Chemicals Corporation in Malaysia. He was instrumental in Westlake's strategic growth through both organic expansion and major acquisitions.

James Y. Chao, Senior Chairman of the Board

James Y. Chao, along with his father, T.T. Chao, and brother, Albert Y. Chao, co-founded Westlake in 1986. He served as Chairman of the Board from 2004 to July 2024. The Chao family, through two partnerships, owned a significant stake in Westlake as of March 2024.

Robert F. Buesinger, Executive Vice President, Performance & Essential Materials Segment Head

Background not readily available in public searches.

Westlake (WLK) operates in several key markets with the following addressable market sizes:

• Polyethylene: The global polyethylene market size was valued at approximately USD 129.92 billion in 2024 and is projected to reach USD 191.42 billion by 2033, growing at a CAGR of 4.4% from 2025 to 2033. Asia Pacific is the largest consumer of polyethylene, holding over 45% of the global market share in 2024.
• Polyvinyl Chloride (PVC): The global polyvinyl chloride market size was approximately USD 86.93 billion in 2024 and is anticipated to reach around USD 115.70 billion by 2034, growing at a CAGR of 2.90%. The Asia Pacific region is a dominant market for PVC. The U.S. PVC market accounted for USD 19 billion in 2023.
• Caustic Soda: The global caustic soda market size was estimated at approximately USD 50.12 billion in 2025 and is expected to reach around USD 76.11 billion by 2034, with a compound annual growth rate (CAGR) of 4.75% from 2025 to 2034. Asia Pacific dominated the caustic soda market with a market share of 50% in 2024.
• Vinyl Chloride Monomer (VCM): The global vinyl chloride monomer market was estimated at approximately USD 91 billion in 2024, with projections to reach USD 187.8 billion by 2034, at a CAGR of 7.4%. The North American market for vinyl chloride monomer reached a value of USD 7.7 billion in 2024, holding a 47.9% share of the global market.
• PVC Pipes: The global PVC pipes market was valued at USD 48.20 billion in 2024 and is projected to reach USD 89.64 billion by 2035, growing at a CAGR of 5.80% from 2025 to 2035. The Asia-Pacific region accounted for the largest market share in 2025.

Here are 3-5 expected drivers of future revenue growth for Westlake (WLK) over the next 2-3 years:

1. Strategic Acquisitions and Facility Expansion: Westlake has a stated strategy to grow through acquisitions and the expansion of existing facilities. The planned acquisition of ACI/Perplastic Group is a key example, aimed at expanding Westlake's global compounding solutions and specialty materials portfolio within its Housing and Infrastructure Products (HIP) segment. Additionally, the company is expanding its molecular-oriented polyvinyl chloride (PVCO) pipe manufacturing capabilities in Texas, a move that will enhance its product offerings and capacity within the HIP segment.
2. Development and Commercialization of Sustainable Products: Westlake is investing in eco-friendly innovations and technologies to align with environmental goals. This includes a target to reduce CO2 emissions and a commitment to innovating more sustainable products. Examples include the introduction of lower-emission PVC and caustic soda, as well as PVCO pipe manufactured with a lower carbon footprint. Collaborations, such as with Alpha Recyclage Composites to scale up carbon fiber composite recycling, also highlight their focus on circular solutions and sustainable product development.
3. Growth in the Housing and Infrastructure Products (HIP) Segment: The HIP segment is anticipated to continue its positive sales growth, driven by sustained structural infrastructure demand and demographic trends. Westlake's strong position as a leading supplier to national homebuilders is expected to contribute to this growth. Initiatives like the expansion of PVCO pipe manufacturing directly target opportunities within this segment.
4. Cost Reduction Initiatives and Operational Efficiency: While primarily impacting profitability, aggressive company-wide structural cost reduction efforts and improved operational efficiency can indirectly drive revenue growth by enabling more competitive pricing and freeing up capital for strategic investments. Westlake has set significant structural cost savings targets through 2026, with a substantial portion focused on improving the profitability of its Performance and Essential Materials (PEM) segment. Improved plant reliability is also a key pillar in their strategy to lower production costs.
5. Leveraging Globally-Advantaged Feedstock and Energy Position: Westlake's globally-advantaged feedstock and energy cost position in North America has enabled export opportunities and contributed to sales volume growth, particularly in the Performance and Essential Materials (PEM) segment, even amidst challenging global macroeconomic conditions. This competitive advantage positions the company to potentially gain market share and drive future revenue growth as global market dynamics evolve and demand strengthens.

Share Repurchases

• Westlake authorized an additional $500 million for its share repurchase program in August 2022, with approximately $550 million available for purchase under the program as of that date.
• The company repurchased $101 million in shares in 2022.
• In 2024, Westlake made $60 million in share repurchases.

Share Issuance

• Westlake did not report any unregistered sales of equity securities during the quarter or fiscal year ended December 31, 2024, that had not been previously reported.

Outbound Investments

• Westlake Innovations, Inc., a subsidiary, invested in Universal Matter, Inc., a company that has developed technology to transform carbon waste streams into high-quality graphene.

Capital Expenditures

• Capital expenditures for the full year 2024 were $1.0 billion.
• The company reported capital expenditures of $220 million in the third quarter of 2024 and in the first quarter of 2025.
• Westlake focuses capital expenditures on improving profitability and reliability of plants and optimizing its manufacturing footprint.