Top 10 Companies in the Anhydrous Substance Diatomite Market (2025): Market Leaders Powering Global Filtration and Industrial Applications

In Business Insights
December 23, 2025





The Global Anhydrous Substance Diatomite Market was valued at USD 242.73 Million in 2024 and is projected to reach USD 334.18 Million by 2032, growing at a Compound Annual Growth Rate (CAGR) of 4.1% during the forecast period (2024–2032). This growth is primarily driven by escalating demand for high-performance filtration media in water treatment and food & beverage industries, alongside expanding applications in sustainable agriculture and advanced material sciences.

As industries worldwide prioritize efficiency, sustainability, and natural material solutions, the significance of anhydrous diatomite, or diatomaceous earth, continues to rise. In this blog, we profile the Top 10 Companies in the Anhydrous Substance Diatomite Industry—a blend of global mining giants, specialized processors, and innovators shaping the supply chains for filtration, agriculture, and industrial sectors.


🔟 1. Imerys S.A.

Headquarters: Paris, France
Key Offering: Natural, Calcined, and Flux-Calcined Diatomite

Imerys stands as the undisputed global leader in the diatomite market, commanding an estimated 28% revenue share. The company’s extensive portfolio serves diverse applications from beer filtration to agricultural soil conditioners. Their vertically integrated operations, from mining to advanced processing, ensure consistent quality and supply chain resilience.

Innovation and Expansion Initiatives:

  • Recent €25 million investment to expand calcining capacity in Nevada, USA
  • Development of high-purity, food-grade diatomite series meeting stringent EU and FDA standards
  • Focus on sustainable mining practices and reducing the carbon footprint of processing operations

Download FREE Sample Report: Global Anhydrous Substance Diatomite Market – View in Detailed Research Report


9️⃣ 2. EP Minerals, LLC

Headquarters: Reno, Nevada, USA
Key Offering: Diatomite for Filtration, Absorbents, and Carriers

A subsidiary of EP Engineered Clays, EP Minerals is a major force in the North American market, holding approximately 15% market share. The company is renowned for its high-quality diatomite deposits and specialized products tailored for industrial and agricultural use, including its popular branded filter aids.

Strategic Initiatives:

  • Strategic acquisition of a diatomite mine in Chile to secure long-term raw material supply
  • Investment in advanced classification technology to produce highly consistent particle size distributions

8️⃣ 3. Showa Chemical Industry Co., Ltd.

Headquarters: Tokyo, Japan
Key Offering: High-Purity Diatomite for Pharmaceutical and Specialty Applications

Showa Chemical is a leading Asian producer focusing on high-value diatomite applications. The company excels in producing ultra-pure grades essential for pharmaceutical filtration, chromatographic supports, and fine chemical processes, leveraging sophisticated surface-modification technologies.

Innovation Highlights:

  • Recently patented a novel surface-modification process enhancing diatomite’s adsorption properties
  • Strong R&D focus on developing customized solutions for the electronics and catalyst industries

7️⃣ 4. CECA Chemical (Arkema Group)

Headquarters: La Garenne-Colombes, France
Key Offering: Specialty Diatomite Filter Aids and Functional Additives

As part of the global Arkema Group, CECA Chemical brings significant technical expertise and distribution reach to the diatomite market. The company supplies high-performance filter aids to the food, beverage, and chemical processing industries across Europe and other key markets.

Key Focus Areas:

  • Providing integrated filtration solutions combining diatomite with other mineral filter aids
  • Emphasis on products that enhance process efficiency and reduce waste for customers

Download FREE Sample Report: Global Anhydrous Substance Diatomite Market – View in Detailed Research Report


6️⃣ 5. Dicaperl Minerals Ltd.

Headquarters: Gloucester, United Kingdom
Key Offering: Calcined Diatomite for Industrial and Construction Applications

Dicaperl is a UK-based specialist producer known for its high-temperature calcined diatomite products. The company serves niche markets requiring enhanced thermal stability and reinforcement properties, such as specialty coatings, plastics, and building materials.

Market Position:

  • Recognized for technical expertise in producing diatomite with controlled porosity and surface area
  • Strong presence in European markets for functional fillers and lightweight aggregates

5️⃣ 6. American Diatomite Inc.

Headquarters: Basalt, Nevada, USA
Key Offering: Natural and Calcined Diatomite from U.S. Deposits

American Diatomite operates one of the premier diatomite mines in the Western United States, supplying both domestic and international markets. The company benefits from proximity to major industrial consumers and has built a reputation for reliable, high-quality material.

Operational Strengths:

  • Control over a significant, high-grade diatomite deposit with long-term mining reserves
  • Flexible processing capabilities to meet custom specifications for various industrial clients

4️⃣ 7. Diatomite CJSC

Headquarters: Moscow, Russia
Key Offering: Diatomite for Filtration and Construction in CIS Markets

Diatomite CJSC is the leading producer and supplier of diatomite in Russia and the CIS region. The company leverages local deposits to serve growing demand from regional water treatment, oil refining, and construction industries, with a focus on import substitution.

Regional Focus:

  • Dominant position in the strategic Russian filtration market
  • Investments in modernizing processing facilities to improve product quality and yield

3️⃣ 8. Diatomite Direct Pty Ltd

Headquarters: Queensland, Australia
Key Offering: Australian-Mined Diatomite for Agriculture and Industry

Diatomite Direct is a key player in the Asia-Pacific region, supplying diatomite primarily for agricultural applications, including as a natural pesticide and soil conditioner. The company capitalizes on the strong growth in organic farming and sustainable agriculture practices in Australia and neighboring countries.

Sustainability Initiatives:

  • Promotion of diatomite as a natural alternative to synthetic pesticides and fertilizers
  • Focus on supplying the growing organic produce and viticulture sectors

2️⃣ 9. Zhilan Diatom Co., Ltd.

Headquarters: Jilin, China
Key Offering: Cost-Competitive Diatomite for Broad Industrial Use

Zhilan Diatom is one of China’s prominent diatomite producers, benefiting from the country’s vast mineral resources and manufacturing ecosystem. The company is rapidly expanding its technical capabilities and product quality to compete more effectively in international markets.

Growth Strategy:

  • Active pursuit of joint development agreements with international chemical companies
  • Investment in flux-calcination technology to produce higher-value grades

1️⃣ 10. Jilin Yuan Tong Mineral Co., Ltd.

Headquarters: Jilin, China
Key Offering: Diatomite for Domestic Chinese and Export Markets

Jilin Yuan Tong Mineral is a significant Chinese producer leveraging one of the country’s major diatomite deposits. The company supplies a wide range of industries within China’s massive manufacturing sector and is increasingly targeting export opportunities in Southeast Asia and beyond.

Market Approach:

  • Competitive pricing strategy aimed at volume-sensitive industrial applications
  • Continuous improvement in processing to meet the evolving quality standards of global customers

Get Full Report Here: Global Anhydrous Substance Diatomite Market – View in Detailed Research Report


🌟 Outlook: The Future of Anhydrous Diatomite Is Versatile and Sustainable

The anhydrous substance diatomite market is experiencing a significant transformation. While traditional filtration applications continue to drive volume, the industry is increasingly fueled by innovation in sustainable applications, advanced material sciences, and efficiency-enhancing processing technologies.

📈 Key Trends Shaping the Market:

  • Rising demand for natural filtration media in water-scarce regions promoting water reuse
  • Expansion in organic agriculture boosting diatomite use as a natural pest control and soil amendment
  • Development of value-added diatomite products for pharmaceuticals, cosmetics, and energy storage
  • Strategic capacity expansions by leading players to capture growth in Asia-Pacific and other emerging economies

Get Full Report Here: Global Anhydrous Substance Diatomite Market – View in Detailed Research Report

The companies profiled above are not only supplying a critical industrial mineral—they are enabling cleaner water, more productive agriculture, and advanced material solutions across the globe.