The Global Bentonite Clay Market was valued at USD 1.36 Billion in 2024 and is projected to reach USD 1.87 Billion by 2032, growing at a Compound Annual Growth Rate (CAGR) of 4.1% during the forecast period (2024–2032). This growth is being driven by increasing demand from foundry, construction, oil and gas drilling sectors, and the accelerating adoption of bentonite in high-value applications like cosmetics, pharmaceuticals, and environmental remediation.

As global industries transform toward more sustainable and efficient material usage, the spotlight is on the key bentonite suppliers who are driving innovation, quality, and environmentally responsible mining. In this blog, we profile the Top 10 Companies in the Bentonite Clay Industry—a mix of global mining giants, specialized chemical firms, and regional leaders shaping the future of this versatile industrial mineral.

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🔟 1. MTI (AMCOL International)

Headquarters: Arlington Heights, Illinois, USA
Key Offering: Sodium Bentonite, Calcium Bentonite, Specialty Organoclays

MTI, operating through its AMCOL division, is a global leader in bentonite production with a comprehensive portfolio serving foundry, construction, and environmental markets. The company controls major deposits in North America and Europe, ensuring consistent quality and supply chain reliability for industrial customers worldwide.

Innovation Initiatives:

• Development of high-performance organoclays for environmental applications
• Advanced purification technologies for pharmaceutical-grade bentonite
• Investment in sustainable mining and water recycling systems

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9️⃣ 2. Imerys (S&B)

Headquarters: Paris, France
Key Offering: Foundry Bentonite, Civil Engineering Clays, Bleaching Earths

Imerys stands as Europe’s largest bentonite producer following its acquisition of S&B, offering technically advanced solutions for metallurgy, construction, and industrial applications. The company’s global network of mines and processing plants ensures product consistency across diverse market requirements.

Innovation Initiatives:

• R&D in nanoclay composites for advanced materials
• Sustainable mining practices with 30% reduction in water usage targets
• Customized bentonite formulations for specific industrial processes

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8️⃣ 3. Clariant AG

Headquarters: Muttenz, Switzerland
Key Offering: Activated Bleaching Earths, Functional Additives, Pharmaceutical-Grade Bentonite

Clariant specializes in high-value bentonite applications, particularly in oil purification, edible oil processing, and pharmaceutical formulations. The company’s focus on purification technologies positions it as a leader in premium bentonite markets with stringent quality requirements.

Innovation Initiatives:

• Advanced activation processes for superior adsorption properties
• Sustainable bleaching earth regeneration technologies
• Pharmaceutical excipient development for drug delivery systems

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7️⃣ 4. Ashapura Group

Headquarters: Mumbai, India
Key Offering: Full range of Bentonite products, Iron Ore Pelletizing Binders

Ashapura is India’s largest bentonite producer and a significant global player, with extensive mining operations in Gujarat and a diversified product portfolio. The company serves key sectors including steel production, foundry, and construction across Asia, Africa, and the Middle East.

Innovation Initiatives:

• Development of cost-effective bentonite solutions for emerging markets
• Expansion into value-added applications like cat litter and cosmetics
• Quality improvement programs to meet international standards

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6️⃣ 5. LKAB Minerals

Headquarters: Stockholm, Sweden
Key Offering: Specialty Bentonite, Functional Fillers, Environmental Products

LKAB Minerals leverages its mining expertise to produce high-quality bentonite products with focus on European industrial markets. The company emphasizes sustainable production methods and developed specialized bentonite grades for construction and environmental applications.

Innovation Initiatives:

• Carbon-neutral bentonite production initiatives
• Development of bentonite-based products for water treatment
• Technical support services for optimized customer applications

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5️⃣ 6. Wyo-Ben, Inc.

Headquarters: Billings, Montana, USA
Key Offering: Drilling Mud Bentonite, Foundry Sands, Construction Sealants

Wyo-Ben is a major US-based bentonite producer with significant market presence in oilfield services and construction sectors. The company operates multiple mining and processing facilities across Wyoming and Montana, serving North American industrial markets.

Innovation Initiatives:

• High-performance drilling fluid additives for challenging formations
• Customized bentonite blends for specific geological conditions
• Quality control systems ensuring product consistency

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4️⃣ 7. Bentonite Performance Minerals LLC (BPM)

Headquarters: Houston, Texas, USA
Key Offering: API-grade Bentonite, Specialty Industrial Clays

BPM maintains a strong position in the North American market through its focus on quality and technical expertise. The company supplies bentonite primarily to oil and gas, foundry, and environmental sectors with stringent performance requirements.

Innovation Initiatives:

• Continuous improvement in API-grade bentonite specifications
• Development of engineered solutions for soil stabilization
• Customer technical support and application optimization

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3️⃣ 8. Huawei Bentonite Co., Ltd.

Headquarters: Zhangjiakou, Hebei, China
Key Offering: Sodium Bentonite, Calcium Bentonite, Activated Clay

Huawei Bentonite is a leading Chinese producer with significant domestic market share and growing international presence. The company benefits from access to quality raw materials and cost-effective production capabilities for various industrial applications.

Innovation Initiatives:

• Expansion into high-purity bentonite for cosmetics and pharmaceuticals
• Process optimization for improved product quality
• Development of export-oriented product grades

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2️⃣ 9. Black Hills Bentonite LLC

Headquarters: Casper, Wyoming, USA
Key Offering: Foundry Bentonite, Civil Engineering Products, API Bentonite

Black Hills Bentonite operates several mining and processing facilities in Wyoming, serving key North American industrial markets. The company maintains strong relationships with foundry and construction customers through consistent product quality and reliable supply.

Innovation Initiatives:

• Quality enhancement programs for foundry applications
• Development of specialized products for environmental containment
• Customer-focused technical service and support

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1️⃣ 10. Kunimine Industries Co., Ltd.

Headquarters: Tokyo, Japan
Key Offering: High-Purity Bentonite, Functional Clay Minerals

Kunimine Industries is a Japanese specialty chemicals company with expertise in high-purity bentonite production for advanced applications. The company serves sophisticated markets in Asia with focus on quality and technical performance.

Innovation Initiatives:

• Research in clay-polymer nanocomposites
• Development of bentonite for electronic applications
• Quality systems meeting Japanese industrial standards

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🌍 Outlook: The Future of Bentonite Clay Is Innovative and Sustainable

The bentonite clay market is undergoing a significant transformation. While traditional applications in foundry and construction continue to dominate volume consumption, the industry is increasingly investing in value-added applications, purification technologies, and sustainable mining practices.

📈 Key Trends Shaping the Market:

• Expansion into pharmaceutical and cosmetic applications requiring high-purity grades
• Development of modified bentonite for environmental remediation and water treatment
• Adoption of sustainable mining practices and circular economy principles
• Technological advancements in activation and purification processes

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Bentonite Clay Market – View in Detailed Research Report

The companies listed above are not only supplying essential industrial materials—they’re driving the innovation and sustainability transformation of the global bentonite clay industry.