Overview
Westlake Corporation is a major American diversified manufacturer headquartered in Houston, Texas. Formed in 2017, the company operates as a leading producer of polyvinyl chloride (PVC), specialty polymers, chemicals, and advanced materials. With approximately 15,920 employees, Westlake serves diverse industrial sectors including construction, building materials, specialty polymers, and chemical manufacturing.
The company manufactures a broad range of products and materials serving residential, commercial, and industrial markets, with emphasis on reliable supply, product quality, and operational efficiency. While historically focused on conventional polymers and chemicals, Westlake is increasingly developing advanced material solutions to meet evolving market demands.
Primary Materials & Products
Vinyl & PVC Products:
- Polyvinyl chloride (PVC) resin and compounds
- PVC piping and housing materials
- Vinyl products for construction and industrial applications
- Specialty PVC formulations
- High-performance PVC compounds
Specialty Polymers:
- Advanced polyethylene grades
- Polypropylene and specialty PP compounds
- Engineering thermoplastics
- Specialized polymer formulations
- Advanced material compounds
Chemicals & Industrial Materials:
- Specialty chemicals
- Industrial chemical products
- Process chemicals
- Advanced industrial intermediates
- Functional chemical additives
Building & Construction Materials:
- Plastic piping systems
- Housing and construction materials
- Durable building products
- Protective materials
- Construction components
Market Segments
Westlake serves diverse industrial and commercial sectors:
- Building & Construction: Piping, housing materials, construction products
- Specialty Polymers: Advanced polymers for industrial applications
- Industrial Products: Specialized materials for manufacturing
- Housing Materials: Building and residential applications
- Chemical Products: Industrial and specialty chemicals
- Plastics Manufacturing: Raw materials for converter customers
Operational Divisions
Westlake operates through specialized business divisions:
- Polymer Products: Production and marketing of specialty polymers
- Specialty Chemicals: Specialty chemical manufacturing
- Housing & Construction: Building materials and construction products
- Industrial Materials: Specialty materials for diverse applications
Manufacturing & Operations
Production Infrastructure:
- Multiple manufacturing facilities across North America
- Advanced production technologies
- Integrated supply chain operations
- Quality assurance systems
- Efficient logistics and distribution
Strategic Locations:
- Houston headquarters
- Manufacturing facilities across United States
- Regional distribution centers
- Technical support facilities
Sustainability Focus
Environmental Responsibility:
- Commitment to efficient manufacturing practices
- Investment in advanced materials development
- Reduction of environmental impact
- Support for circular economy principles
- Energy efficiency improvements
Product Innovation:
- Advanced material development
- Specialty polymer formulations
- Enhanced performance materials
- Sustainable production improvements
Research & Development
Westlake invests in R&D capabilities focused on:
- Specialty polymer development
- Advanced material innovation
- Process improvement and optimization
- Performance enhancement of products
- New application development
Strategic Positioning
Westlake differentiates through:
- Diverse product portfolio
- Reliable supply and quality
- Cost-competitive manufacturing
- Technical customer support
- Operational efficiency
Market Position
As a major diversified petrochemical and materials manufacturer, Westlake serves as a key supplier to construction, industrial, and polymer processing customers. The company’s scale, diverse product portfolio, and operational excellence enable reliable delivery of materials supporting diverse industrial sectors.
Future Outlook
Westlake continues to advance product innovation and operational efficiency, with focus on:
- Specialty materials development
- Advanced polymer solutions
- Market expansion
- Operational improvements
- Customer collaboration and support
Last updated: February 13, 2026