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.

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Company type:

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Company

HQ country

Solution type

Index status

Description

S.C. Foraj Sonde S.A.

HQ country:

๐Ÿ‡ท๐Ÿ‡ด 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:

๐Ÿ‡ท๐Ÿ‡ด 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:

๐Ÿ‡ท๐Ÿ‡ด 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:

๐Ÿ‡ท๐Ÿ‡ด 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:

๐Ÿ‡ท๐Ÿ‡ด 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:

๐Ÿ‡ท๐Ÿ‡ด 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:

๐Ÿ‡ท๐Ÿ‡ด Romania

Solution type:

Hydropower

Clean energy

Index status:

Failed Revenue Filter

Failed Revenue Filter

S.C. Construcศ›ii 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:

๐Ÿ‡ท๐Ÿ‡ด 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:

๐Ÿ‡ท๐Ÿ‡ด 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:

๐Ÿ‡ท๐Ÿ‡ด 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:

๐Ÿ‡ท๐Ÿ‡ด 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:

๐Ÿ‡ท๐Ÿ‡ด 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:

๐Ÿ‡ท๐Ÿ‡ด 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:

๐Ÿ‡ท๐Ÿ‡ด 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:

๐Ÿ‡ท๐Ÿ‡ด 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:

๐Ÿ‡ท๐Ÿ‡ด 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:

๐Ÿ‡ท๐Ÿ‡ด 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:

๐Ÿ‡ธ๐Ÿ‡ฎ 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:

๐Ÿ‡ธ๐Ÿ‡ฎ 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:

๐Ÿ‡ธ๐Ÿ‡ฎ 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.