The CaptainDrawdown CDR Company Directory has grown to 825 companies — the most comprehensive public database of active carbon removal organizations worldwide.
This month’s update adds 4 new entries spanning 4 CDR pathways and 4 countries.
New Additions by Category
- Direct Air Capture: 1 new
- Industrial Process: 1 new
- Nature-Based: 1 new
- Carbon Market Infrastructure: 1 new
Geographic Spread
- United States: 1 new
- United Kingdom: 1 new
- Sierra Leone: 1 new
- Switzerland: 1 new
Notable Additions
Ctrl-S
Ctrl-S is a startup focused on salvaging and preserving valuable IP, experimental data, and ’negative learnings’ from direct air capture companies that fail or pivot. By acquiring this IP and making it accessible to materials-discovery AI models and new entrants, Ctrl-S aims to accelerate DAC develo
Website: https://heatmap.news/carbon-removal/ctrl-s-direct-air-capture
Cocoon Carbon
London-based Cocoon Carbon (founded 2023) converts electric arc furnace slag into LoopCem™, a scalable low-carbon supplementary cementitious material (SCM) that cuts concrete’s embodied CO₂ by up to 40%. The process cools molten slag up to 100× faster than conventional granulation, producing a relia
Website: https://www.cocooncarbon.com
Rainforest Builder
Rainforest Builder is a fully integrated tropical forest restoration company operating in West Africa, focused on large-scale ecosystem recovery. In February 2026, it signed one of the largest African CDR offtake agreements to date: delivering up to 1.8 million carbon removal credits to Microsoft ov
Website: https://www.rainforestbuilder.com
ClimeFi
ClimeFi is a Zurich-based CDR portfolio manager and carbon removal intelligence platform. It helps corporate buyers contract, purchase, and manage CDR across all durable removal pathways (DAC, BiCRS, mineralization). Notably, it structured the first Article 6.2 ITMO CDR transfer between Switzerland
Website: https://www.climefi.com
About the Directory
The CDR Company Directory is continuously updated as new companies are identified across news sources, scientific papers, LinkedIn, and industry databases. Every company is manually reviewed and categorized before inclusion.
Browse the full directory: captaindrawdown.com/directory/