Blog/Top companies
13 July 2026
Top 10 Bentonite Manufacturers in India
India has hundreds of bentonite manufacturers. This guide profiles the top 10 — evaluated by scale, certifications, product range, and market presence — to help buyers identify the right supplier faster
AP
Akshay Parmar
Overview: Bentonite Manufacturing Industry in India
India’s bentonite industry is anchored in Gujarat’s Kachchh and Bhavnagar districts and Rajasthan’s Barmer district. The Indian Bureau of Mines records 583 million tonnes of national resources, with 73% located in Rajasthan and 25% in Gujarat. Named after Fort Benton in the United States, this swelling clay is widely used in foundry moulding, oil-well drilling, iron ore pelletisation, waterproofing, cosmetics, ceramics, and sulphur-bentonite fertilisers.
Top 10 Bentonite Manufacturers in India
1. Ashapura International Limited
Headquartered in Mumbai, Maharashtra, Ashapura International Limited was incorporated in 1989 and manufactures bentonite lumps, powders, granules, and geosynthetic clay liners. Its bentonite products support iron ore pelletisation, foundries, drilling, and construction sealing applications. The company operates captive bentonite mines in Gujarat and a 570,000-tonne-per-year processing facility in Bhuj, while exports contributed 62% of its FY2025 sales.
2. Gimpex Imerys India Private Limited
Headquartered in Bhuj, Gujarat, Gimpex Imerys India Private Limited was established as a joint venture in 2014. The company mines and manufactures bentonite products for foundries, oil-well drilling, civil engineering, iron ore pelletisation, and paper processing. Its portfolio includes sodium-activated foundry bentonite, drilling bentonite, and specialised paper grades. The partnership combines Gimpex’s Indian mineral expertise with Imerys’ global capabilities, while selected drilling products meet API and OCMA performance specifications.
3. 20 Microns Limited
Headquartered in Vadodara, Gujarat, 20 Microns Limited was incorporated in 1987 and manufactures bentonite alongside calcium carbonate, kaolin, talc, silica, mica, and other industrial minerals. Its bentonite grades serve oil and gas drilling, foundries, iron ore pelletisation, construction, environmental protection, and agriculture. The company describes itself as India’s largest producer and supplier of ultrafine industrial minerals and supports customers through a government-recognised R&D centre and application-specific mineral processing capabilities.
4. Swellwell Minechem Private Limited
Headquartered in Bhuj, Gujarat, Swellwell Minechem Private Limited was incorporated in 2010 and manufactures bentonite, including sodium, calcium, drilling, foundry, and paper-grade variants, alongside attapulgite and montmorillonite clay. Its products serve oil and gas drilling, foundries, paper manufacturing, construction, and related industrial applications. The ISO 9001:2015-certified company operates a fully integrated bentonite processing plant supported by captive mines in Gujarat and supplies customers across India and overseas.
5. CMS Industries
Headquartered in Bhuj, Gujarat, CMS Industries was established in 2008 and manufactures sodium and calcium bentonite powders, lumps, and application-specific grades. Its bentonite products serve oil and water-well drilling, foundries, iron ore pelletisation, civil engineering, agriculture, paper, animal feed, and cosmetics. The ISO 9001:2015-certified company operates mines and processing units in Kachchh, with monthly production capacities exceeding 9,000 tonnes of powder and 26,000 tonnes of bentonite lumps.
6. Van-Bent Minerals Private Limited
Headquartered in Bhuj, Gujarat, Van-Bent Minerals Private Limited was established in 2011 and manufactures bentonite, silica sand, china clay, attapulgite, and other industrial minerals. Its bentonite grades serve foundries, oil and gas drilling, iron ore pelletisation, civil engineering, paper, livestock feed, fertilisers, and wine clarification. The ISO 9001:2015-certified company operates 19 mines and an in-house laboratory, with a grinding capacity of 15,000 tonnes per month and proven bentonite reserves exceeding 2.6 million tonnes.
7. Organic Industries Private Limited
Headquartered in Mumbai, Maharashtra, Organic Industries Private Limited was established in 1980 and manufactures bentonite powder and lumps through its mining division. Its sodium and calcium bentonite grades serve foundry, civil engineering, and other industrial applications. The company commissioned its bentonite processing facility in 2015 and describes it as one of India’s largest facilities for bentonite powder and lumps. Its manufacturing plants are certified to ISO 9001 quality management standards.
8. Kutch Bento Clay
Headquartered in Mandvi, Kutch, Gujarat, Kutch Bento Clay was established in 2018 and manufactures bentonite powder, sodium and calcium bentonite, drilling, piling, foundry, pelletisation, and other application-specific grades. Its products serve the oil and gas, construction, foundry, steel, agriculture, paper, ceramics, animal feed, and environmental protection sectors. The company reports monthly capacities of 5,000 tonnes of processed bentonite and 15,000 tonnes of bentonite lumps, supported by its proximity to Mundra and Kandla ports.
9. Mahavir Minerals
Based in Kutch, Gujarat, Mahavir Minerals was established in 1985 and manufactures bentonite products, including fertiliser, waterproofing, iron ore pelletisation, drilling, piling, foundry, and animal feed grades. Its products serve agriculture, construction, steel pellet plants, oil and water-well drilling, foundries, and livestock feed applications. Operating as a manufacturer, supplier, and exporter, the company serves customers across India and maintains dedicated quality assurance and production infrastructure for application-specific mineral processing.
10. Natural Bleach Earths Limited
Headquartered in Hyderabad, Telangana, Natural Bleach Earths Limited was incorporated in 1998 and manufactures bentonite, bleaching earth, attapulgite, fuller’s earth, feldspar, limestone, and china clay. Its bentonite portfolio includes a high-purity natural grade mined and processed in north-western India, supporting pharmaceutical and other specialised industrial applications. The company operates mineral mines and processing facilities at multiple locations, strengthening customer service through integrated logistics and in-house technical expertise
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