Here’s a list of spirulina farms and producers across various cities in India. Note that the spirulina industry is growing, and many farms are small-scale or part of research initiatives. Always verify details directly with the organizations:

1. Chennai, Tamil Nadu

• Parry Nutraceuticals (EID Parry): A subsidiary of the Murugappa Group, involved in spirulina production and research.
• Taram Agro Products: Specializes in organic spirulina cultivation.

2. Hyderabad, Telangana

• Spiro Farms: A well-known producer of organic spirulina.
• Asean Biotech: Focuses on spirulina and other microalgae for nutraceuticals.
• Spirotech Spirulina Farms: Supplies spirulina powder and tablets.

3. Bengaluru, Karnataka

• Phalada Agro Research Centre: Produces organic spirulina and promotes sustainable farming.
• Algal Bio Co.: A startup focused on algae-based products, including spirulina.

4. Kochi, Kerala

• The Spirulina Foundation: Promotes spirulina farming for nutrition and livelihood.
• Sea6 Energy: Innovates in algal biotechnology, including spirulina.

5. Ahmedabad, Gujarat

• Greenrise Spirulina: Produces organic spirulina for domestic and international markets.
• AlgaeVeda: Focuses on spirulina and chlorella production.

6. Pune, Maharashtra

• Spirulina Valley: A startup producing spirulina tablets and powder.
• AlgaeTech: Researches and cultivates spirulina for commercial use.

7. Bhubaneswar, Odisha

• KIIT-TBI (Technology Business Incubator): Supports spirulina startups and small-scale farms.

8. Jaipur/Udaipur, Rajasthan

• Algae Biosciences Corporation: Specializes in large-scale spirulina cultivation.

9. Coimbatore, Tamil Nadu

• Tamil Nadu Agricultural University (TNAU): Runs spirulina research and pilot farming projects.

10. Mumbai, Maharashtra

• Organic India: Sources spirulina from partnered farms across India.
• Neu Nova Biotech: Produces spirulina for health supplements.

11. Thrissur, Kerala

• Spirulina Kerala: A cooperative promoting spirulina farming among local communities.

12. Hosur, Tamil Nadu

• AgriAlgae Innovations: Focuses on sustainable spirulina farming techniques.

Tips for Finding More Farms:

1. Contact the Spices Board India: They sometimes list algae producers.
2. Agricultural Universities: Check with institutions like TNAU or Kerala Agricultural University for farm partnerships.
3. Online Marketplaces: Platforms like IndiaMART or TradeIndia list spirulina suppliers.
4. Certified Organic Platforms: Brands like Pure & Sure or Organic India source from verified farms.

Always confirm certifications (e.g., USDA Organic, FSSAI) and visit farms if possible. Climate-friendly states like Tamil Nadu, Kerala, and Telangana are key hubs due to optimal growing conditions.