The Global Bentonite Powder Market was valued at USD 1.35 Billion in 2022 and is projected to reach USD 1.74 Billion by 2029, growing at a Compound Annual Growth Rate (CAGR) of 3.6% during the forecast period (2022–2029). This growth is being driven by increasing demand from the construction industry, a resurgence in oil and gas drilling activities, and the expanding application of bentonite in environmentally-friendly solutions like pet litter and geosynthetic clay liners for waste containment.

As global infrastructure development accelerates and industries seek more sustainable materials, the companies that mine, process, and innovate with bentonite clay are becoming increasingly vital. In this blog, we profile the Top 10 Companies in the Bentonite Powder Industry—a mix of global mineral giants, specialized producers, and regional leaders shaping the supply chain for this versatile industrial mineral.

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🔟 1. Minerals Technologies Inc. (Amcol)

Headquarters: New York, New York, USA
Key Offering: Sodium Bentonite, Calcium Bentonite, Specialty organoclays

Minerals Technologies, through its Amcol division, is a global leader in bentonite and derivative products. The company’s portfolio is critical for foundry, iron ore pelletizing, and drilling mud applications, supported by a strong R&D focus on high-performance mineral-based solutions.

Innovation & Market Position:

• Leading global supplier for metalcasting and steel production industries

• Advanced product development for environmental and construction sectors

• Strategic global production footprint ensuring supply chain reliability

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9️⃣ 2. Imerys S.A. (S&B)

Headquarters: Paris, France
Key Offering: Foundry bentonite, Civil engineering bentonite, Specialized absorbents

Imerys, following its acquisition of S&B, is a European powerhouse in industrial minerals. The company offers a wide range of bentonite products tailored for diverse applications, from binding in foundry sands to sealing barriers in civil engineering projects.

Innovation & Market Position:

• Extensive European bentonite reserves and processing facilities

• Focus on high-value applications and technical customer support

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8️⃣ 3. Clariant AG

Headquarters: Muttenz, Switzerland
Key Offering: Specialty bentonite, Bleaching earths, Functional additives

Clariant is a prominent specialty chemicals company with a significant footprint in activated bleaching earths derived from bentonite, which are essential for purifying edible oils and biofuels. Their focus is on value-added, performance-driven bentonite applications.

Innovation & Market Position:

• Leading position in the purification and processing sector

• Investment in sustainable solutions for the food and energy industries

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7️⃣ 4. Bentonite Performance Minerals LLC (BPM)

Headquarters: Houston, Texas, USA
Key Offering: API-grade bentonite for drilling fluids, Foundry products, Absorbent clays

A subsidiary of Halliburton, BPM is a key North American producer, particularly renowned for its high-yield sodium bentonite used in demanding oil and gas drilling operations. The company’s products are critical for wellbore stability and lubrication.

Innovation & Market Position:

• Major supplier to the global oilfield services industry

• Stringent quality control for API and industrial specifications

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6️⃣ 5. Wyo-Ben Inc

Headquarters: Billings, Montana, USA
Key Offering: Drilling grade bentonite, Civil engineering bentonite, Specialty minerals

Wyo-Ben is a privately-held, family-owned company with over 70 years of experience in mining and processing bentonite from its reserves in Wyoming and Montana. It is a significant player in the North American market for drilling, construction, and environmental applications.

Innovation & Market Position:

• Long-standing reputation for quality and customer service

• Diverse product line serving multiple industrial sectors

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5️⃣ 6. Black Hills Bentonite LLC

Headquarters: Casper, Wyoming, USA
Key Offering: Sodium bentonite for drilling, sealing, and binding applications

Black Hills Bentonite specializes in high-quality sodium bentonite mined from the rich deposits of Wyoming. The company serves a global customer base with products essential for constructing secure landfill liners, drilling muds, and iron ore pelletizing.

Innovation & Market Position:

• Vertically integrated operations from mining to packaging

• Strong export market presence, particularly in Asia and the Middle East

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4️⃣ 7. Tolsa Group

Headquarters: Madrid, Spain
Key Offering: Bentonite for pet litter, absorbents, and industrial applications

Tolsa is a Spanish multinational and a world leader in the production of absorbent minerals, with bentonite being a core product line. The company is particularly strong in the pet litter segment, offering high-absorption, odor-control solutions globally.

Innovation & Market Position:

• Leading global supplier of mineral-based pet care products

• Focus on innovation in sustainability and product performance

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3️⃣ 8. Ashapura Group

Headquarters: Mumbai, India
Key Offering: Sodium and Calcium Bentonite, Activated Bleaching Earths

Ashapura is one of India’s largest bentonite mine owners and processors, with a significant international presence. The company’s products are used in foundries, drilling, steel plants, and as bleaching earths for vegetable oil refining.

Innovation & Market Position:

• Dominant market position in the Asia-Pacific region

• Extensive mining reserves and modern processing plants

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2️⃣ 9. LKAB Minerals

Headquarters: Stockholm, Sweden
Key Offering: Specialty bentonite products, Functional fillers

As part of the Swedish state-owned mining company LKAB, LKAB Minerals offers a range of industrial minerals, including bentonite, focused on technical applications in construction, ceramics, and polymer composites across Europe.

Innovation & Market Position:

• Strong emphasis on sustainability and product traceability

• Technical expertise in mineral solutions for industrial customers

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1️⃣ 10. Laviosa Minerals SpA

Headquarters: Livorno, Italy
Key Offering: Drilling bentonite, Foundry bentonite, Civil engineering bentonite

Laviosa Minerals is a major Italian producer with a long history in the bentonite market. The company supplies high-performance products for geotechnical applications, drilling, and foundry, with a strong distribution network throughout Europe and North Africa.

Innovation & Market Position:

• Recognized for high-quality, consistent products

• Significant investments in R&D for new application development

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🌍 Outlook: The Future of Bentonite Powder Is Driven by Sustainability and Specialization

The bentonite powder market is experiencing a steady evolution. While traditional applications in foundry and drilling remain foundational, the industry is increasingly influenced by green construction practices, environmental regulations, and the development of high-value specialty products.

📈 Key Trends Shaping the Market:

• Growing use of bentonite in Geosynthetic Clay Liners (GCLs) for landfill and hydraulic barrier applications

• Rising demand from the iron and steel industry for pelletizing iron ore fines

• Innovation in modified bentonite for composites, pharmaceuticals, and cosmetics

• Expansion of production capacity in Asia and the Middle East to meet regional demand

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The companies listed above are not only supplying a critical industrial mineral—they are enabling safer construction, cleaner environments, and more efficient industrial processes worldwide.