The Global Calcium Carbonate From Oyster Shell Market was valued at USD 4 Million in 2023 and is projected to reach USD 4 Million by 2030, growing at a Compound Annual Growth Rate (CAGR) of 2.7% during the forecast period (2024-2030). This steady growth is being driven by the increasing demand for natural calcium supplements in the pharmaceutical and food industries, rising health consciousness among consumers, and the growing preference for sustainable, bio-based ingredients.

As industries shift towards eco-friendly and natural raw materials, oyster shell-derived calcium carbonate is gaining prominence for its high bioavailability and renewable sourcing. In this blog, we profile the Top 10 Companies in the Calcium Carbonate From Oyster Shell Industry—a mix of established material science leaders, specialized nutraceutical players, and innovative bio-tech firms shaping the future of this niche but vital market.

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Calcium Carbonate From Oyster Shell Market – View in Detailed Research Report

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🔟 1. Huber Materials (JM Huber Corporation)

Headquarters: Edison, New Jersey, USA
Key Offering: Purecal® Oyster Shell Calcium Carbonate

JM Huber Corporation, through its Huber Materials division, is a leading global supplier of engineered materials. Their Purecal® line includes high-purity calcium carbonate sourced from oyster shells, widely used as a dietary supplement and functional food ingredient due to its excellent purity and consistent particle size.

Sustainability and Innovation Initiatives:

• Commitment to sustainable sourcing and reducing environmental footprint

• Advanced purification and micronization technologies for superior product quality

• Extensive R&D focused on enhancing bioavailability and application scope

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9️⃣ 2. Nutri Granulations

Headquarters: Mumbai, India
Key Offering: Oyster Shell Calcium Carbonate Powder for Nutraceuticals

Nutri Granulations is a key player in the Indian subcontinent, specializing in the processing of oyster shells into high-grade calcium carbonate. The company serves a broad spectrum of clients in the pharmaceutical and dietary supplement industries, with a strong focus on quality control and regulatory compliance.

Sustainability and Innovation Initiatives:

• Implementation of waste-to-value models by utilizing seafood industry by-products

• Investment in state-of-the-art processing facilities to ensure product consistency

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8️⃣ 3. The Wright Group

Headquarters: Crowley, Louisiana, USA
Key Offering: Custom Nutrient Premixes with Oyster Shell Calcium

The Wright Group is a prominent manufacturer of custom nutrient premixes and ingredients for the food and beverage industry. They incorporate oyster shell calcium carbonate into their formulations, providing a natural and highly absorbable calcium source for fortified foods, beverages, and supplements.

Sustainability and Innovation Initiatives:

• Focus on clean-label and sustainable ingredient solutions

• Strategic partnerships with suppliers for traceable and responsible sourcing

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7️⃣ 4. ERIE

Headquarters: Nantong, Jiangsu, China
Key Offering: Food and Pharmaceutical Grade Oyster Shell Calcium Carbonate

ERIE is a significant Chinese manufacturer specializing in calcium products derived from natural sources. The company produces refined oyster shell calcium carbonate that meets stringent standards for pharmaceutical excipients and food additives, serving both domestic and international markets.

Sustainability and Innovation Initiatives:

• Advanced processing techniques to maximize yield and purity

• Expansion of production capacity to meet growing global demand

Download FREE Sample Report:
Calcium Carbonate From Oyster Shell Market – View in Detailed Research Report

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6️⃣ 5. Dr. Behr

Headquarters: Ibbenbüren, Germany
Key Offering: Calcium Carbonate from Oyster Shells for Technical and Dietary Applications

Dr. Behr is a German company with a long history in processing minerals and natural raw materials. They offer calcium carbonate sourced from oyster shells, catering to specialized applications in animal nutrition, technical industries, and as a base material for further chemical processing.

Sustainability and Innovation Initiatives:

• Emphasis on circular economy principles by valorizing biological waste streams

• Development of customized calcium carbonate grades for specific industrial needs

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5️⃣ 6. Sudeep Pharma

Headquarters: Mumbai, India
Key Offering: IP/BP/Pharmaceutical Grade Oyster Shell Calcium Carbonate

Sudeep Pharma is a leading Indian manufacturer of pharmaceutical excipients and active ingredients. The company is a major supplier of high-purity oyster shell calcium carbonate, which is extensively used in tablet formulations as a diluent and calcium source in the pharma and nutraceutical sectors.

Sustainability and Innovation Initiatives:

• Stringent quality management systems compliant with international pharmacopoeias (IP, BP, USP)

• Continuous process optimization to enhance efficiency and reduce environmental impact

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4️⃣ 7. Caltron

Headquarters: Mumbai, Maharashtra, India
Key Offering: Cal-Carb® Oyster Shell Calcium Carbonate

Caltron is a specialized manufacturer of calcium-based products, with a strong focus on oyster shell calcium carbonate. Their Cal-Carb® product is known for its high calcium content and is primarily used in the animal feed and agricultural sectors as a cost-effective calcium supplement.

Sustainability and Innovation Initiatives:

• Utilization of aquaculture waste to produce value-added products

• Focus on serving the agricultural and animal husbandry industries with natural mineral supplements

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3️⃣ 8. Penglai Marine Bio-tech

Headquarters: Yantai, Shandong, China
Key Offering: Marine-derived Calcium Carbonate from Oyster Shells

Penglai Marine Bio-tech leverages its coastal location to specialize in marine-based bio-products. The company processes oyster shells into fine calcium carbonate powders, catering to the dietary supplement and functional food markets with a focus on the natural origin and bioavailability of its products.

Sustainability and Innovation Initiatives:

• Integration of marine resource utilization with environmental protection goals

• Research into synergistic marine compounds for enhanced nutraceutical applications

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2️⃣ 9. Shaanxi Iknow Biotechnology Co., Ltd.

Headquarters: Xi’an, Shaanxi, China
Key Offering: Natural Oyster Shell Calcium for Export Markets

Shaanxi Iknow Biotechnology is a Chinese supplier focused on the export of natural plant and marine extracts. The company offers oyster shell calcium carbonate as part of its extensive portfolio, targeting international nutraceutical and food ingredient companies seeking reliable, natural calcium sources.

Sustainability and Innovation Initiatives:

• Development of standardized extract products for consistent global supply

• Building supply chain resilience through strategic sourcing and processing partnerships

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1️⃣ 10. Marcel Caron et Fils

Headquarters: Saint-Ulric, Quebec, Canada
Key Offering: Oyster Shell Flour and Calcium Carbonate for Agriculture

Marcel Caron et Fils is a North American company primarily serving the agricultural and horticultural sectors. They process oyster shells into a fine flour that is used as a soil amendment to correct acidity and provide a slow-release source of calcium, promoting sustainable farming practices.

Sustainability and Innovation Initiatives:

• Promotion of organic and sustainable agriculture through natural soil conditioning products

• Local sourcing and processing to minimize carbon footprint

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Calcium Carbonate From Oyster Shell Market – View in Detailed Research Report

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🌍 Outlook: The Future Is Natural and Sustainable

The calcium carbonate from oyster shell market is characterized by its alignment with broader sustainability trends. While conventional mined calcium carbonate still dominates in volume, the industry is witnessing increased interest in bio-based alternatives that offer environmental benefits and cater to consumer demand for natural ingredients.

📈 Key Trends Shaping the Market:

• Growing consumer preference for clean-label and natural supplements in the nutraceutical industry

• Increased utilization of seafood industry by-products, supporting circular economy models

• Rising demand from the pharmaceutical sector for high-purity, natural excipients

• Expansion of application areas into animal feed and organic agriculture

Get Full Report Here:
Calcium Carbonate From Oyster Shell Market – View in Detailed Research Report

The companies listed above are not only supplying a critical mineral—they are pioneering the integration of sustainable practices into the global supply chain for essential nutrients.

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