The Global Heavy Calcium Carbonate Market was valued at USD 15.2 Billion in 2024 and is projected to reach USD 24.8 Billion by 2032, growing at a Compound Annual Growth Rate (CAGR) of 5.7% during the forecast period (2024–2032). This growth is being driven by expanding construction activities, rising plastic production globally, and increasing adoption of sustainable filler materials across paper, paint, and pharmaceutical sectors.

As industries worldwide prioritize cost-effective and high-performance materials, the spotlight is on the key mineral processors and suppliers who are driving innovation, quality, and sustainable extraction practices. In this blog, we profile the Top 10 Companies in the Heavy Calcium Carbonate Industry—a mix of global giants, regional leaders, and sustainability pioneers shaping the future of industrial minerals.

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🔟 1. Omya International AG

Headquarters: Oftringen, Switzerland
Key Offering: Broad portfolio of dry and wet-ground calcium carbonates, surface-treated grades

Omya is a global leader in industrial minerals, renowned for its high-purity heavy calcium carbonate products. The company serves a diverse range of industries, including plastics, paints, paper, and adhesives, with a strong emphasis on product innovation and technical support. Their global production network ensures a reliable supply chain for customers worldwide.

Innovation & Sustainability Initiatives:

• Pioneering surface modification technologies for enhanced polymer compatibility
• Investments in energy-efficient grinding and classification technologies
• Commitment to sustainable mining practices and reducing carbon footprint across operations

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9️⃣ 2. Imerys S.A.

Headquarters: Paris, France
Key Offering: Specialty calcium carbonates for plastics, paints, building materials, and healthcare

Imerys is a world-leading supplier of mineral-based solutions, with a significant presence in the heavy calcium carbonate market. The company leverages its extensive mineral knowledge and R&D capabilities to develop high-value products that improve customer performance and sustainability.

Innovation & Sustainability Initiatives:

• Development of bio-based and recycled content formulations
• Focus on circular economy principles and water recycling in processing

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8️⃣ 3. Minerals Technologies Inc.

Headquarters: New York, New York, USA
Key Offering: Precipitated and ground calcium carbonates, specialty mineral additives

Minerals Technologies Inc. is a major global producer of mineral-based products, including a wide range of heavy calcium carbonates. The company’s products are critical components in paper, polymer, and construction applications, valued for their consistency and performance-enhancing properties.

Innovation & Sustainability Initiatives:

• Advanced particle size control technologies for specific application needs
• Sustainability programs focused on reducing energy and water consumption

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7️⃣ 4. J.M. Huber Corporation

Headquarters: Edison, New Jersey, USA
Key Offering: Engineered calcium carbonates for industrial and specialty applications

Huber’s Engineered Materials division is a key player in the heavy calcium carbonate market, offering products that enhance performance in plastics, adhesives, sealants, and coatings. The company is known for its technical expertise and customer-focused solutions.

Innovation & Sustainability Initiatives:

• Development of high-performance surface-treated products
• Continuous improvement in manufacturing efficiency and environmental performance

Download FREE Sample Report: Heavy Calcium Carbonate Market – View in Detailed Research Report

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6️⃣ 5. Lhoist Group

Headquarters: Limelette, Belgium
Key Offering: Calcium carbonate and derivative lime products for industrial applications

Lhoist is a global leader in lime, dolime, and mineral-based products, with a significant production capacity for heavy calcium carbonate. The company serves diverse markets including steel, environmental, and construction industries with high-quality mineral solutions.

Innovation & Sustainability Initiatives:

• Investment in carbon capture and utilization technologies
• Development of products for environmental applications such as flue gas treatment

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5️⃣ 6. Mississippi Lime Company

Headquarters: St. Louis, Missouri, USA
Key Offering: High-calcium lime and limestone products including ground calcium carbonate

Mississippi Lime Company is one of the largest lime producers in the United States, supplying high-quality calcium carbonate products to various industrial sectors. The company’s strategic locations and extensive reserves position it as a key North American supplier.

Innovation & Sustainability Initiatives:

• Modernization of production facilities for improved efficiency
• Development of specialty products for niche applications

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4️⃣ 7. CARMEUSE

Headquarters: Louvain-la-Neuve, Belgium
Key Offering: Lime and limestone products including calcium carbonate for industrial use

CARMEUSE is a leading producer of lime and limestone products with operations across Europe and North America. The company’s heavy calcium carbonate products serve essential functions in steel manufacturing, construction, and environmental applications.

Innovation & Sustainability Initiatives:

• Development of innovative applications for carbon dioxide by-products
• Focus on energy efficiency and reduced emissions in production processes

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3️⃣ 8. GLC Minerals

Headquarters: Columbia, South Carolina, USA
Key Offering: Industrial minerals including calcium carbonate for various applications

GLC Minerals is a significant producer of industrial minerals in North America, specializing in high-quality calcium carbonate products. The company serves markets including agriculture, construction, and industrial manufacturing with consistent, reliable products.

Innovation & Sustainability Initiatives:

• Expansion of product portfolio to meet evolving market demands
• Commitment to sustainable mining and processing practices

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2️⃣ 9. MARUO CALCIUM Co., Ltd.

Headquarters: Tokyo, Japan
Key Offering: Calcium carbonate products for paper, plastic, and paint industries

MARUO CALCIUM is a leading Japanese producer of calcium carbonate, serving both domestic and international markets. The company is known for its high-quality products and technical expertise in mineral processing and application development.

Innovation & Sustainability Initiatives:

• Development of ultra-fine and surface-modified products
• Focus on energy-efficient production technologies

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1️⃣ 10. Nordkalk Corporation

Headquarters: Pargas, Finland
Key Offering: Limestone-based products including ground calcium carbonate

Nordkalk is a leading Nordic limestone company with operations across Europe. The company produces high-quality calcium carbonate products for various industrial applications, leveraging its extensive limestone reserves and modern production facilities.

Innovation & Sustainability Initiatives:

• Investment in digitalization and automation of operations
• Development of sustainable product solutions for environmental applications

Get Full Report Here: Heavy Calcium Carbonate Market – View in Detailed Research Report

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🌍 Outlook: The Future of Heavy Calcium Carbonate Is Sustainable and High-Performance

The heavy calcium carbonate market is undergoing a significant transformation. While traditional applications continue to drive volume, the industry is investing heavily in sustainable production methods, advanced processing technologies, and high-value specialty products.

📈 Key Trends Shaping the Market:

• Rising demand for sustainable and eco-friendly filler materials across industries
• Technological advancements in ultra-fine grinding and surface modification
• Expansion in emerging markets driven by infrastructure development
• Increasing adoption in high-performance composites and specialty applications

Get Full Report Here: Heavy Calcium Carbonate Market – View in Detailed Research Report

The companies listed above are not only supplying essential industrial minerals—they’re pioneering the sustainable transformation of manufacturing and construction materials worldwide.