The Global Polystyrene & Expandable Polystyrene Market was valued at USD 42.1 Billion in 2024 and is projected to reach USD 56.8 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 5.1% during the forecast period (2024–2030). This growth is primarily driven by rising demand from the packaging industry, increasing construction activities in emerging economies, and the development of more sustainable and flame-retardant PS/EPS grades.

As the global push for energy efficiency and lightweight materials intensifies, the focus turns to the key polymer producers and compounders driving innovation, supply chain efficiency, and circular economy initiatives. In this blog, we profile the Top 10 Companies in the Polystyrene & Expandable Polystyrene Industry—a mix of chemical giants, specialty manufacturers, and sustainability leaders defining the future of this versatile plastic.

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🔟 1. BASF SE

Headquarters: Ludwigshafen, Germany
Key Offering: Polystyrene (PS), Expandable Polystyrene (EPS), High-Impact Polystyrene (HIPS)

BASF is a global leader in the chemical industry and a major producer of polystyrene resins. Their Styropor® (EPS) and Polystyrol® (PS) brands are widely used in packaging, construction insulation, and consumer goods. BASF focuses on developing high-performance and sustainable solutions, including grades with recycled content.

Sustainability Initiatives:

• Development of chemically recycled polystyrene under the ChemCycling™ project

• Commitment to circular economy principles and reducing carbon footprint

• Production of advanced EPS with improved insulation properties for energy-efficient buildings

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9️⃣ 2. INEOS Styrolution

Headquarters: Frankfurt, Germany
Key Offering: General Purpose Polystyrene (GPPS), High Impact Polystyrene (HIPS), EPS

INEOS Styrolution is one of the world’s leading styrenics suppliers, with a significant global production footprint. The company serves a diverse range of industries, including automotive, electronics, household, and construction, with a strong emphasis on innovation and application development.

Sustainability Initiatives:

• Pioneering advanced recycling technologies for polystyrene through partnerships

• Offering sustainable product portfolios, including grades with bio-based feedstocks

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8️⃣ 3. TotalEnergies

Headquarters: Paris, France
Key Offering: Crystal PS, High Impact PS, Expandable PS

TotalEnergies is a major integrated energy company with a substantial petrochemicals division. Its polystyrene business produces a wide array of grades suitable for food packaging, consumer electronics, and insulation boards, leveraging its vertical integration from raw materials.

Sustainability Initiatives:

• Investing in the circular plastics economy, including polystyrene recycling projects

• Commitment to producing polymers with enhanced recyclability

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7️⃣ 4. Trinseo

Headquarters: Berwyn, Pennsylvania, USA
Key Offering: Polystyrene Resins, Styrenic Polymers

Trinseo is a specialized materials solutions provider and a leading global supplier of plastics, latex binders, and synthetic rubber. Their polystyrene portfolio includes products for rigid and foam packaging, appliances, and construction applications, backed by strong technical support.

Sustainability Initiatives:

• Focus on developing sustainable materials and increasing use of recycled content

• Active participation in industry associations promoting plastic circularity

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6️⃣ 5. Alpek S.A.B. de C.V.

Headquarters: San Pedro Garza García, Mexico
Key Offering: Expandable Polystyrene (EPS), PET

Alpek is one of the world’s largest producers of EPS and a leading polyester manufacturer. Through its STYROPEK business, it supplies EPS for construction, packaging, and other industrial uses across the Americas and other international markets.

Sustainability Initiatives:

• Implementation of energy efficiency programs across manufacturing facilities

• Development of EPS recycling initiatives in key markets

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5️⃣ 6. Synthos S.A.

Headquarters: Oświęcim, Poland
Key Offering: Expandable Polystyrene, General Purpose Polystyrene

Synthos is a major European manufacturer of synthetic rubbers and polystyrene. The company is a key supplier of EPS for the construction sector in Europe, offering products designed for high thermal insulation performance.

Sustainability Initiatives:

• Investment in research for sustainable raw materials and production processes

• Focus on producing EPS that contributes to energy savings in buildings over their lifecycle

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4️⃣ 7. Kaneka Corporation

Headquarters: Tokyo, Japan
Key Offering: Expandable Polystyrene, Modified Polystyrene compounds

Kaneka is a diversified Japanese chemical company with a strong presence in polymer technologies. Its EPS products are known for high quality and are used extensively in construction, packaging, and industrial applications across Asia and globally.

Sustainability Initiatives:

• Development of foam products with improved environmental profiles

• Commitment to reducing GHG emissions through technological innovation

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3️⃣ 8. SABIC

Headquarters: Riyadh, Saudi Arabia
Key Offering: Polystyrene, HIPS, EPS

SABIC is a global leader in diversified chemicals, with a comprehensive portfolio that includes polystyrene. Leveraging its feedstock advantage, SABIC produces a range of styrenic polymers for packaging, consumer products, and construction markets worldwide.

Sustainability Initiatives:

• Pioneering chemical recycling through its TRUCIRCLE™ portfolio

• Strategic goal to scale up circular and renewable solutions

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2️⃣ 9. LG Chem

Headquarters: Seoul, South Korea
Key Offering: High Impact Polystyrene, General Purpose PS

LG Chem is a leading Korean chemical company with a strong petrochemicals business. Its polystyrene products are used in various applications, including electronics housings, disposable food containers, and household items, supported by a focus on quality and innovation.

Sustainability Initiatives:

• Active investment in eco-friendly materials and recycling technologies

• Commitment to achieving carbon neutrality by 2050

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1️⃣ 10. Nova Chemicals Corporation

Headquarters: Calgary, Alberta, Canada
Key Offering: Polystyrene Resins, Styrene Monomer

Nova Chemicals is a major North American plastics and chemicals producer. With significant styrenics assets, it supplies the market with polystyrene for a variety of rigid and foam applications, focusing on innovation and customer collaboration.

Sustainability Initiatives:

• Roadmap to accelerate circular economy for plastics, including advanced recycling

• Goals to incorporate recycled content into product portfolios

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🌍 Outlook: The Future of Polystyrene & EPS Is Circular and Innovative

The Polystyrene & Expandable Polystyrene market is experiencing a significant transformation. While cost-effectiveness and performance continue to drive demand, the industry is heavily investing in circular economy models, advanced recycling technologies, and the development of bio-based alternatives.

📈 Key Trends Shaping the Market:

• Rapid advancement in chemical recycling technologies for polystyrene waste streams

• Increasing regulatory focus on plastic waste management and recycled content mandates

• Growing demand for high-performance EPS in green building standards for superior insulation

• Strategic partnerships across the value chain to close the loop on polystyrene recycling

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The companies listed above are not only supplying essential materials to global industries—they are actively engineering the sustainable future of plastics.