https://akercarboncapture.com/
Carbon capture provider.
For more details look at the website, it's pretty. :)
The technology is only with them so far, possible competitors like Siemens could come in the future, but still away from it.
Valuation is at 1.5 billion, sales only at 2 million.
Why it could still be worthwhile:
A bit dry but first-hand: