The Global Industrial Grade Diatomaceous Earth Market was valued at USD 1.12 Billion in 2025 and is projected to reach USD 1.58 Billion by 2034, growing at a Compound Annual Growth Rate (CAGR) of 3.9% during the forecast period (2024–2034). This sustained growth is primarily driven by the increasing demand for high-performance filtration aids across the food & beverage, pharmaceutical, and chemical processing industries, alongside the rising adoption of diatomaceous earth as a sustainable functional additive and absorbent.

As industries worldwide prioritize product purity, process efficiency, and environmental sustainability, the role of specialized industrial minerals like diatomaceous earth has become critically important. In this blog, we profile the Top 10 Companies in the Industrial Grade Diatomaceous Earth Industry—a group of established miners, processors, and innovators shaping the supply chain and application landscape of this versatile material.

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🔟 1. Imerys S.A.

Headquarters: Paris, France
Key Offering: Celatom® diatomite, Celite® filter aids, functional fillers

Imerys is the undisputed global leader in the diatomaceous earth market, with a comprehensive portfolio of calcined, flux-calcined, and natural-grade products. Through its subsidiary, EP Minerals (a leading US producer), Imerys serves a vast array of industrial sectors with high-purity diatomite known for its consistent quality and performance.

Innovation & Sustainability Initiatives:

• Investment in advanced processing technologies to enhance product purity and reduce environmental impact

• Development of specialized grades for demanding applications like pharmaceutical filtration and catalyst carriers

• Commitment to sustainable mining practices and land reclamation programs

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9️⃣ 2. EP Minerals (a subsidiary of Imerys)

Headquarters: Reno, Nevada, USA
Key Offering: Diatomaceous earth, perlite, clay minerals

EP Minerals operates some of the largest and highest-quality diatomite deposits in the world, primarily in Nevada. As a key part of the Imerys group, it leverages global R&D and distribution networks to provide tailored solutions for filtration, absorbency, and functional filler applications.

Innovation & Sustainability Initiatives:

• Focus on producing low crystalline silica content diatomite for improved workplace safety

• Expansion of product lines for environmental remediation and horticultural markets

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8️⃣ 3. Showa Chemical Industry Co., Ltd.

Headquarters: Tokyo, Japan
Key Offering: Diatomaceous earth filter aids, functional powders

Showa Chemical is a major Asian producer of diatomaceous earth, with a strong presence in the Japanese and broader Asia-Pacific markets. The company supplies critical filtration media to the region’s robust food, beverage, and chemical manufacturing industries.

Innovation & Sustainability Initiatives:

• Development of high-clarity filtration aids for sensitive applications like sake and soy sauce production

• Initiatives to reduce energy consumption in the calcination process

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7️⃣ 4. Kuraray Group (Calgon Carbon Corporation)

Headquarters: Tokyo, Japan (Kuraray); Pittsburgh, Pennsylvania, USA (Calgon Carbon)
Key Offering: Diatomaceous earth filter aids, activated carbon, advanced filtration systems

Following its acquisition by Kuraray, Calgon Carbon offers integrated filtration solutions that often combine diatomaceous earth with other media like activated carbon. This positions them as a solutions provider rather than just a materials supplier, particularly in water treatment and liquid purification.

Innovation & Sustainability Initiatives:

• Integration of diatomite into multi-media filtration systems for enhanced contaminant removal

• R&D into regenerable filter aid systems to reduce waste

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6️⃣ 5. Dicalite Minerals Group (Dicaperl)

Headquarters: Bala Cynwyd, Pennsylvania, USA
Key Offering: Dicalite® diatomite, Dicaperl® perlite, engineered filter aids

Dicalite Minerals operates diatomite and perlite mines and processing plants across North America and Europe. The company is known for its Dicalite brand of diatomaceous earth, which is widely used as a filter aid, functional filler, and absorbent in numerous industrial processes.

Innovation & Sustainability Initiatives:

• Custom engineering of blended filter aids for specific customer process requirements

• Implementation of dust control technologies in processing and packaging

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5️⃣ 6. Diatomite CJSC

Headquarters: Yerevan, Armenia
Key Offering: Raw and processed diatomite from Armenian deposits

Diatomite CJSC is a significant player in the Eastern European and CIS markets, leveraging substantial diatomite deposits in Armenia. The company supplies both local industries and export markets with a range of natural and calcined diatomite products.

Innovation & Sustainability Initiatives:

• Modernization of processing facilities to meet international quality standards

• Exploration of new application areas for Armenian diatomite in construction materials

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4️⃣ 7. American Diatomite Inc.

Headquarters: Lompoc, California, USA
Key Offering: High-grade diatomaceous earth for specialized applications

American Diatomite focuses on producing high-purity diatomaceous earth from its deposits in California. The company has carved a niche by serving specialized markets that require consistent, high-quality diatomite with specific physical and chemical properties.

Innovation & Sustainability Initiatives:

• Specialization in low-metals diatomite for critical filtration in electronics and pharmaceuticals

• Investment in quality control systems to ensure batch-to-batch consistency

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3️⃣ 8. JJS Minerals

Headquarters: Ahmedabad, Gujarat, India
Key Offering: Diatomaceous earth powder, filter aids, absorbents

JJS Minerals is a key supplier in the rapidly growing Indian market, providing diatomaceous earth to domestic industries ranging from textiles and paints to food processing. The company benefits from India’s expanding manufacturing base and increasing quality standards.

Innovation & Sustainability Initiatives:

• Development of cost-effective diatomite solutions tailored for price-sensitive markets

• Expansion of production capacity to meet rising domestic demand

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2️⃣ 9. Jilin Yuantong Mineral Co., Ltd.

Headquarters: Changchun, Jilin, China
Key Offering: Diatomite filter aids, functional fillers, absorbents

Jilin Yuantong is a prominent Chinese producer, leveraging the significant diatomite resources found in Jilin province. The company plays a crucial role in supplying the vast Chinese industrial sector, which is the world’s largest consumer of many industrial minerals.

Innovation & Sustainability Initiatives:

• Upgrading of processing technology to produce higher-value calcined products

• Focus on meeting stringent international standards for export markets

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1️⃣ 10. Chanye

Headquarters: Linjiang, Jilin, China
Key Offering: Natural and calcined diatomaceous earth

Chanye is another significant Chinese manufacturer located in a key diatomite-producing region. The company contributes to China’s position as both a major producer and consumer of industrial-grade diatomaceous earth, serving diverse applications from beer filtration to pesticide carriers.

Innovation & Sustainability Initiatives:

• Development of specialized grades for agricultural and environmental applications

• Efforts to improve energy efficiency in the high-temperature calcination process

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🌍 Outlook: The Future of Industrial Grade Diatomaceous Earth is Smarter and More Sustainable

The industrial grade diatomaceous earth market is evolving beyond its traditional role as a simple filter aid. While filtration remains the dominant application, accounting for over 40% of global consumption, the industry is witnessing a surge in innovative uses that leverage the unique properties of diatomaceous earth—its high porosity, large surface area, and chemical inertness.

📈 Key Trends Shaping the Market:

• Rising Demand for High-Purity Filtration: Stricter regulations in food safety and pharmaceutical manufacturing are driving the need for ultra-pure diatomite with low heavy metal content and consistent particle size distribution.

• Expansion into New Applications: Growing use of diatomaceous earth as a natural pesticide carrier, a lightweight filler in plastics and paints, and a component in porous ceramics and catalysts.

• Focus on Workplace Safety: Increased emphasis on producing and handling low crystalline silica (<1%) diatomite products to mitigate health risks associated with silica dust, influencing both product development and regulatory compliance.

• Sustainability and Circular Economy: Development of processes for regenerating and reusing spent diatomaceous earth filter cakes, reducing waste and lowering the total cost of ownership for industrial users.

Get Full Report Here:
Industrial Grade Diatomaceous Earth Market – View in Detailed Research Report

The companies listed above are not only supplying a critical industrial mineral—they are enabling cleaner processes, purer products, and more sustainable industrial practices across the globe. As innovation continues, the applications for this ancient, yet remarkably versatile, material are set to expand even further.