# Calysta

Calysta pioneered methanotroph gas fermentation, producing the single-cell protein FeedKind from Methylococcus capsulatus with high nutritional value for aquaculture and pet diets.

Source: https://en.bioecon.ru/companies/calysta/
Updated: 2026-06-26

- Country: United States

## Verifiable facts

| Fact | Value | Source |
| --- | --- | --- |
| Funding | $177.61M to $228M raised across multiple rounds | https://startupintros.com/orgs/calysta |
| Capacity | 20,000 tonnes per year at the Chongqing facility | https://calysta.com/new-era-of-food-security-beckons-as-worlds-first-industrial-scale-alternative-protein-facility-switches-on/, https://feedkind.com/calysta-announces-39-million-investment-fund-global-expansion-plans/ |
| Regulatory approval | FeedKind approved for use in aquaculture feeds in China, the EU, Japan, and Thailand | https://calysta.com/calystas-feedkind-protein-receives-mara-approval-for-use-in-aquaculture-feeds/, https://calysta.com/new-trial-shows-feedkind-an-ideal-feed-ingredient-for-japanese-yellowtail/ |
| Production site | Industrial-scale facility in Chongqing, China (operated by joint venture Calysseo) | https://agfundernews.com/exclusive-calysta-hires-new-ceo-seeks-new-capital-as-jv-partner-ends-financial-support, https://calysta.com/calystas-feedkind-protein-receives-mara-approval-for-use-in-aquaculture-feeds/, https://calysta.com/new-era-of-food-security-beckons-as-worlds-first-industrial-scale-alternative-protein-facility-switches-on/ |
| Revenue | $710k for the joint venture Calysseo (unaudited 2025 results) [medium confidence] | https://agfundernews.com/exclusive-calysta-hires-new-ceo-seeks-new-capital-as-jv-partner-ends-financial-support |

Independent sources: agfundernews.com, feedkind.com, startupintros.com

## Technologies

- [Gas fermentation of food protein](https://en.bioecon.ru/technology/gas-fermentation-food-protein/)
- [Industrial single-cell protein for feed](https://en.bioecon.ru/technology/industrial-single-cell-protein-for-feed/)