Global Climate Solution Stocks
A comprehensive list of publicly listed companies that generate >50% of their revenue from climate solutions that are headquartered in the following seven major global regions.
Note that we provide this list as a publicly available resource solely for the purpose of education. This list was updated in May of 2026 By James Regulinski, CIO & CCO at Carbon Collective.
It is not updated on a regular cadence.

Company
HQ country
Solution type
Index status
Description
S.C. Foraj Sonde S.A.
HQ country:
๐ท๐ด Romania
Solution type:
Geothermal
Clean energy
Index status:
Failed Revenue Filter
Failed Revenue Filter
S.C. Foraj Sonde is a Romanian drilling company that generates more of its revenue from drilling for fossil fuels than for geothermal energy.
S.C. Electromontaj Carpati S.A.
HQ country:
๐ท๐ด Romania
Solution type:
Grid Expansion
Clean energy
Index status:
Passes Revenue Filter
Passes Revenue Filter
Electromontaj Carpati is a Romanian construction firm that generates most of its revenue from two climate solutions: expanding the electrical grid and electrifying railways.
S.C. Dafora S.A.
HQ country:
๐ท๐ด Romania
Solution type:
Geothermal
Clean energy
Index status:
Failed Revenue Filter
Failed Revenue Filter
S.C. Dafora is a Romanian drilling company that generates more revenue from drilling oil wells than geothermal, so we exclude them.
Transgex S.A.
HQ country:
๐ท๐ด Romania
Solution type:
Geothermal
Clean energy
Index status:
Passes Revenue Filter
Passes Revenue Filter
Transgex is a Romanian firm that specializes in drilling and operating geothermal wells and power plants in Romania that can produce zero carbon energy using the heat of the earth.
Simtel Team S.A.
HQ country:
๐ท๐ด Romania
Solution type:
Solar, PVs
Clean energy
Index status:
Pure Play
Pure Play
Simtel Team is a Romanian developer of solar plants that also builds EV charging stations.
Electroprecizia S.A.
HQ country:
๐ท๐ด Romania
Solution type:
EV Supply Chain
Clean transportation
Index status:
Failed Revenue Filter
Failed Revenue Filter
Electroprecizia is a Romanian holding company that owns multiple manufacturing firms. While they generate a majority of their revenue from selling electric motors, they are not for us in electric vehicles, but other more traditional applications like power tools, which is not a climate solution, so we exclude them. They do have a subsidiary that builds out electrical grids, but it's a minority of their revenue.
S.C. Constructii Hidrotehnice S.A.
HQ country:
๐ท๐ด Romania
Solution type:
Hydropower
Clean energy
Index status:
Failed Revenue Filter
Failed Revenue Filter
S.C. Construcศii Hidrotehnice is a Romanian construction firm that generates some revenue from building hydropower plants, but generates more from other construction activities like roadways and bridges.
S.C. Iproeb S.A.
HQ country:
๐ท๐ด Romania
Solution type:
Grid Expansion
Clean energy
Index status:
Passes Revenue Filter
Passes Revenue Filter
Iproeb is a Romanian cable manufacturing firm that generates a majority of its revenue from building cables used in the electrical grid and renewable energy.
S.C. Prebet Aiud S.A.
HQ country:
๐ท๐ด Romania
Solution type:
Insulation
Building efficiency
Index status:
No Climate Solution
No Climate Solution
SC Prebet makes pressed concrete products for highways and other applications. They are not used for insulation and they do not use alternative cements
S.C. Caromet S.A.
HQ country:
๐ท๐ด Romania
Solution type:
Electric Trains
Clean transportation
Index status:
Lacks Information
Lacks Information
Caromet is a Romanian manufacturing firm that builds parts for locomotives and train bridges. While they do build parts for electric locomotives, they do not break down what % of their revenue is from this, so we exclude them.
S.C. Remarul 16 Februarie S.A.
HQ country:
๐ท๐ด Romania
Solution type:
Electric Trains
Clean transportation
Index status:
Lacks Information
Lacks Information
Remarul 16 is a Romanian manufacturing firm that builds parts for locomotives and services train cars. While they do build parts for electric locomotives, they do not break down what % of their revenue is from this, so we exclude them.
AgriEuro Corp.
HQ country:
๐ท๐ด Romania
Solution type:
Improved Fisheries
Ocean sinks
Index status:
Lacks Information
Lacks Information
AgriEuro purports to engage engage in fish farming, but we cannot find any online information about them to verify if they are implementing and novel ways of energy efficiency, so we exclude them.
Romradiatoare SA
HQ country:
๐ท๐ด Romania
Solution type:
Heat Pumps
Building efficiency
Index status:
Lacks Information
Lacks Information
Romradiatoare is a Romanian manufacturer of heat exchangers. While some are used in heat pumps, others are used in automotive and general industrial applications and they do not provide a breakdown of each, so we exclude them as of our 2025 review.
Romcab SA
HQ country:
๐ท๐ด Romania
Solution type:
Grid Expansion
Clean energy
Index status:
Failed Revenue Filter
Failed Revenue Filter
Romcab is a Romanian producer of cables, but the majority are used for low-voltage electrical uses like home electronics rather than grid expansion.
S.C. Constructii Feroviare Craiova S.A.
HQ country:
๐ท๐ด Romania
Solution type:
Electric Trains
Clean transportation
Index status:
Failed Revenue Filter
Failed Revenue Filter
S.C. Constructii Feroviare Craiova is a Romanian construction company that generates a portion of its revenue from electrifying rail lines, an important climate solution. Unfortunately they generate more of their revenue from other, non-climate solution activities, so we exclude them.
Adiss S.A.
HQ country:
๐ท๐ด Romania
Solution type:
Solar, PVs
Clean energy
Index status:
Failed Revenue Filter
Failed Revenue Filter
Adiss is a Romanian construction firm that generates some revenue from green energy projects, but most from traditional water treatment, which, while important, is not a climate solution.
S.C. Promateris S.A.
HQ country:
๐ท๐ด Romania
Solution type:
Bioplastics
Circular economy
Index status:
Pure Play
Pure Play
S.C. Promateris is a Romanian company that generates all of its revenue from developing and selling bio-based packaging materials that reduce the demand for fossil fuels in packaging and enable packaging to be composted instead of thrown away.
Elektro Gorenjska, d. d.
HQ country:
๐ธ๐ฎ Slovenia
Solution type:
Electrical Utility
Clean energy
Index status:
Passes Revenue Filter
Passes Revenue Filter
Elektro is a Slovenian electricity producer that generates most of their electricity from hydropower and solar with some from natural gas cogeneration plants which are amongst the most energy efficient fossil fuel plants, so we include them as of our 2025 review.
Elektro Ljubljana d.d.
HQ country:
๐ธ๐ฎ Slovenia
Solution type:
Grid Expansion
Clean energy
Index status:
Failed Revenue Filter
Failed Revenue Filter
Elektro Ljubljana is an electricity distributor in Slovenia. While maintaining the electrical grid is important, it is unclear to what extent they are expanding the electrical grid, so we exclude them.
Elektro Maribor d.d.
HQ country:
๐ธ๐ฎ Slovenia
Solution type:
Solar, PVs
Clean energy
Index status:
Passes Revenue Filter
Passes Revenue Filter
Elektro is a Slovenian utility that generates all of its power from solar and hydropower, both carbon free sources of electricity.