Top 10 Companies in the Global Mixed C4 (Crude C4) Market (2026): Market Leaders Powering Global Petrochemicals

MARKET INSIGHTS

Global Mixed C4 (Crude C4) market size was valued at USD 24.5 billion in 2024. The market is projected to grow from USD 26.1 billion in 2025 to USD 38.7 billion by 2032, exhibiting a CAGR of 5.8% during the forecast period.

Mixed C4 (Crude C4) is a crucial byproduct derived from steam crackers and fluid catalytic cracking units in petroleum refining. This hydrocarbon mixture primarily consists of butadiene, isobutene, butene-1, and butene-2, which serve as key feedstocks for producing synthetic rubber, plastics, fuel additives, and other petrochemical derivatives. The versatility of these components makes Mixed C4 a vital intermediate in multiple industrial applications.

The market growth is driven by increasing demand for synthetic rubber in automotive tire manufacturing, coupled with rising petrochemical production across emerging economies. However, volatility in crude oil prices poses challenges to market stability. Recent developments include capacity expansions by key players such as BASF and ExxonMobil to meet the growing demand for butadiene derivatives. Asia-Pacific dominates the market, accounting for over 45% of global consumption in 2024, owing to rapid industrialization in China and India.

Global Mixed C4 (Crude C4) Market – View in Detailed Research Report

1. Shell

Headquarters: The Hague, Netherlands
Key Offering: Mixed C4 streams, petrochemical feedstocks, alkylate production

Shell remains a dominant integrated energy and petrochemical company, operating a global network of refineries and chemical plants. Its extensive C4 processing capabilities enable it to supply high‑quality butadiene, isobutene, and butene derivatives to the synthetic rubber and plastics sectors.

Sustainability Initiatives:

• Carbon‑neutral refinery targets by 2030
• Investment in renewable C4 production pathways
• Enhanced energy efficiency in cracking units

2. ExxonMobil Chemical

Headquarters: Irving, Texas, USA
Key Offering: Mixed C4 streams, advanced olefin production, butadiene derivatives

ExxonMobil Chemical leads the market with its expansive refining and petrochemical complexes, delivering high‑purity C4 products to global customers. Its integrated operations support the growing demand for synthetic rubber and specialty chemicals.

Sustainability Initiatives:

• Zero‑emission refineries by 2035
• Partnerships for bio‑based C4 production
• Investment in carbon capture and storage (CCS)

3. BASF

Headquarters: Ludwigshafen, Germany
Key Offering: Butadiene, isobutene, polybutadiene, specialty chemicals

BASF’s advanced catalytic technologies enable efficient conversion of C4 streams into high‑value derivatives, supporting the automotive and construction sectors.

Sustainability Initiatives:

• Green Chemistry Program targeting 50% renewable feedstock by 2030
• Investment in circular economy solutions for C4 byproducts
• Reduction of greenhouse gas emissions across the value chain

4. LyondellBasell Industries

Headquarters: Rotterdam, Netherlands & Irving, Texas, USA
Key Offering: C4 fractionation, butadiene, polybutadiene, elastomers

With world‑class C4 purification technologies, LyondellBasell supplies premium feedstocks for the synthetic rubber market and specialty polymers.

Sustainability Initiatives:

• Zero‑emission refineries by 2030
• Investment in renewable feedstock integration
• Enhanced energy and water efficiency in processing units

5. Sinopec

Headquarters: Beijing, China
Key Offering: Mixed C4 streams, petrochemical feedstocks, butadiene production

Sinopec’s extensive refining network in China positions it as a key supplier of C4 products to the rapidly expanding domestic petrochemical sector.

Sustainability Initiatives:

• Carbon intensity reduction targets by 2035
• Development of bio‑based C4 production facilities
• Investment in cleaner refining technologies

6. SABIC

Headquarters: Riyadh, Saudi Arabia
Key Offering: Butadiene, isobutene, polybutadiene, specialty chemicals

SABIC’s integrated petrochemical plants supply high‑quality C4 derivatives for the automotive and construction industries.

Sustainability Initiatives:

• Net‑zero emissions target by 2050
• Investment in renewable energy for refining operations
• Collaboration on circular economy projects for plastic waste recycling

7. NOVA Chemicals

Headquarters: Montreal, Canada
Key Offering: C4 fractionation, butadiene, isobutene, polymer feedstocks

NOVA Chemicals focuses on efficient C4 purification technologies, delivering high‑purity feedstocks to the synthetic rubber and polymer markets.

Sustainability Initiatives:

• Energy‑efficient cracking units
• Partnerships for bio‑based C4 production
• Reduction of volatile organic compound (VOC) emissions

8. TPC Group

Headquarters: Houston, Texas, USA
Key Offering: C4 streams, petrochemical feedstocks, alkylate production

TPC Group operates a network of refineries and chemical plants, providing high‑quality C4 products for the synthetic rubber and plastics sectors.

Sustainability Initiatives:

• Carbon capture and utilization (CCU) projects
• Investment in renewable feedstock sourcing
• Enhanced process efficiency and waste reduction

9. KPIC (Korea Petrochemical Industry Co., Ltd.)

Headquarters: Seoul, South Korea
Key Offering: Mixed C4 streams, butadiene, isobutene, polymer feedstocks

KPIC’s advanced catalytic cracking units support the supply of high‑purity C4 derivatives for the domestic and regional markets.

Sustainability Initiatives:

• Energy‑efficient refining processes
• Development of bio‑based C4 production pathways
• Collaboration on circular economy projects

10. YNCC (Yokohama Natural Gas & Chemicals)

Headquarters: Yokohama, Japan
Key Offering: C4 streams, butadiene, isobutene, petrochemical feedstocks

YNCC’s integrated gas processing and refining capabilities provide high‑quality C4 products to the Asian market.

Sustainability Initiatives:

• Renewable gas utilization in C4 production
• Energy‑efficient catalytic cracking units
• Reduction of greenhouse gas emissions through process optimization

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Market Outlook (2025-2034)

The Global Mixed C4 (Crude C4) Market is expected to grow at a CAGR of 5.8% from 2025 to 2034, reaching a valuation of USD 38.7 billion by 2034. Key growth drivers include the expansion of synthetic rubber manufacturing, rising petrochemical production in emerging economies, and the increasing demand for high‑octane fuel additives. Volatility in crude oil prices and tightening environmental regulations remain significant risks.

Future Trends (2030-2034)

• Accelerated adoption of bio‑based C4 production technologies.
• Expansion of carbon‑neutral refinery projects across Asia‑Pacific and North America.
• Growth of circular economy initiatives for recycling mixed C4 streams from plastic waste.
• Increased integration of advanced catalytic cracking units to improve C4 purity and yield.
• Strategic partnerships between petrochemical giants and renewable energy developers to secure sustainable feedstock supply.