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 (2025–2032). This growth is being driven by increasing demand from foundry and construction sectors, stringent environmental regulations for containment, and the accelerating adoption of high-purity bentonite in cosmetics and pharmaceutical applications.

As industries worldwide pivot towards sustainable materials and enhanced performance, the focus intensifies on the key mineral producers driving innovation in extraction, processing, and application-specific solutions. In this blog, we profile the Top 10 Companies in the Bentonite Clay Industry—a mix of global mining giants, specialized processors, and sustainability pioneers shaping the future of industrial minerals.

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🔟 1. Minerals Technologies Inc. (MTI)

Headquarters: New York, New York, USA
Key Offering: Volclay® sodium bentonite, specialty absorbents, foundry sands

Minerals Technologies Inc., through its AMCOL acquisition, is a global leader in bentonite clay production. The company’s Volclay® products are industry standards for sealing, bonding, and absorbing applications. MTI serves diverse markets, including civil engineering, foundry, and pet care, leveraging extensive R&D to develop high-performance mineral solutions.

Sustainability & Innovation Initiatives:

• Investment in water-free processing technologies to reduce environmental footprint
• Development of engineered barriers for landfill liners and environmental containment
• Commitment to sustainable mining practices and land reclamation

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9️⃣ 2. Imerys S.A.

Headquarters: Paris, France
Key Offering: Clay-based solutions for foundry, construction, and industrial markets

Imerys is a world-leading supplier of mineral-based specialties, with a significant portfolio in bentonite and montmorillonite clays. The company’s global footprint and technical expertise enable it to provide tailored solutions for metal casting, drilling fluids, and environmental applications, emphasizing product consistency and performance.

Sustainability & Innovation Initiatives:

• Carbon neutrality roadmap for its operations by 2050
• Advanced purification processes for pharmaceutical and cosmetic-grade bentonite
• Recycling initiatives for foundry sands to promote circular economy

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8️⃣ 3. Clariant AG

Headquarters: Muttenz, Switzerland
Key Offering: Activated clays, bleaching earths, functional minerals

Clariant’s Functional Minerals business is a key player in value-added bentonite applications, particularly in bleaching earths for edible oil refining and purification. The company focuses on creating innovative clay-based solutions that enhance efficiency and sustainability for its customers in chemicals and consumer goods.

Sustainability & Innovation Initiatives:

• EcoTain® label for sustainable product solutions
• Development of low-carbon footprint activation processes
• Partnerships for bio-based and recyclable material solutions

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7️⃣ 4. Ashapura Group

Headquarters: Mumbai, Maharashtra, India
Key Offering: Sodium and calcium bentonite, fuller’s earth, customized blends

Ashapura is one of India’s largest bentonite producers and a significant global exporter. With vast reserves and extensive processing capabilities, the company caters to core industries such as iron ore pelletizing, foundry, and oilwell drilling. Its strategic location provides a competitive advantage in serving Asian and Middle Eastern markets.

Sustainability & Innovation Initiatives:

• Community development programs around mining operations
• Water conservation and mine site rehabilitation projects
• R&D focus on developing grades for agricultural and environmental use

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6️⃣ 5. LKAB Minerals

Headquarters: Stockholm, Sweden
Key Offering: Specialty mineral products for construction and industrial use

As part of the Swedish state-owned mining company LKAB, LKAB Minerals is a leading supplier of industrial minerals, including bentonite, across Europe and globally. The company is renowned for its high-quality products used in civil engineering, environmental protection, and specialty applications, supported by strong technical customer service.

Sustainability & Innovation Initiatives:

• Major investments in CO2-reduced mineral processing
• Development of sealing solutions for sustainable infrastructure
• Active participation in EU sustainable raw materials initiatives

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5️⃣ 6. Wyo-Ben, Inc.

Headquarters: Billings, Montana, USA
Key Offering: Drilling grade bentonite, foundry bentonite, environmental products

Wyo-Ben is a privately-owned American company with over 70 years of experience in bentonite mining and processing. The company operates one of the world’s largest bentonite reserves in the Wyoming region and is a trusted supplier to the oil and gas, construction, and industrial markets, known for its consistent quality and reliability.

Sustainability & Innovation Initiatives:

• Land stewardship and reclamation excellence awards
• Proprietary activation processes enhancing product performance
• Custom formulation services to minimize waste and optimize usage

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4️⃣ 7. Bentonite Performance Minerals LLC (BPM)

Headquarters: Houston, Texas, USA
Key Offering: Sodium bentonite for civil, environmental, and industrial applications

Bentonite Performance Minerals is a leading North American producer with operations in Wyoming and Mississippi. BPM specializes in high-swelling sodium bentonite for critical applications such as geosynthetic clay liners (GCLs), slurry trench walls, and water sealing, serving the environmental and construction engineering sectors.

Sustainability & Innovation Initiatives:

• Development of next-generation containment liner technologies
• Energy efficiency improvements in drying and milling operations
• Partnerships with research institutions on clay-based remediation

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3️⃣ 8. Huawei Bentonite Co., Ltd.

Headquarters: Zhangjiakou, Hebei, China
Key Offering: Calcium and sodium bentonite, organoclay, cat litter absorbents

Huawei Bentonite is a major Chinese producer with significant domestic market share and growing international exports. The company benefits from access to large bentonite deposits and has expanded its product range to include value-added products for various industrial and consumer applications, leveraging cost-effective production.

Sustainability & Innovation Initiatives:

• Modernization of production facilities to meet environmental standards
• Expansion into organic and modified bentonite for niche markets
• Increased focus on product quality and international certifications

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2️⃣ 9. Black Hills Bentonite LLC

Headquarters: Casper, Wyoming, USA
Key Offering: High-quality sodium bentonite for drilling and sealing

Black Hills Bentonite specializes in premium Wyoming sodium bentonite, renowned for its superior swelling properties. The company is a key supplier to the oil and gas industry for drilling muds and to the environmental sector for sealing applications, maintaining a strong reputation for product performance and customer service.

Sustainability & Innovation Initiatives:

• Responsible mining practices in the Powder River Basin
• Product development for enhanced groundwater protection
• Investment in logistics to reduce transportation emissions

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1️⃣ 10. Cimbar Performance Minerals

Headquarters: Marietta, Georgia, USA
Key Offering: Specialty minerals including barite, bentonite, and calcium carbonate

Cimbar is a leading US producer of industrial minerals, with a strong bentonite division serving markets in drilling, construction, and agriculture. The company’s focus on technical expertise and customized solutions has established it as a reliable partner for demanding applications requiring specific mineral properties.

Sustainability & Innovation Initiatives:

• Implementation of ISO 9001 quality management systems
• Development of dust-suppressed and easy-handling bentonite products
• Continuous process optimization for reduced energy consumption

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Bentonite Clay Market – View in Detailed Research Report

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🌍 Outlook: The Future of Bentonite Clay Is Smarter and More Sustainable

The bentonite clay market is undergoing a significant transformation. While traditional applications in foundry and construction continue to dominate in volume, the industry is increasingly investing in high-value specialty applications, advanced material sciences, and sustainable production technologies.

📈 Key Trends Shaping the Market:

• Rising demand for environmentally friendly geosynthetic clay liners (GCLs) for containment
• Expansion of bentonite applications in pharmaceuticals and nutraceuticals
• Digitalization of mining and supply chain operations for efficiency
• Growing preference for natural ingredients in personal care and cosmetics

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Bentonite Clay Market – View in Detailed Research Report

The companies listed above are not only supplying essential industrial minerals—they’re driving the innovation and sustainability transformation across multiple global industries.