These North American companies operate in Energy Technology, with a strong focus on renewable and sustainable energy solutions. The list includes large groups like GE Vernova, which electrifies and decarbonizes the planet, and Baker Hughes, an energy technology company providing innovative solutions. Mid-sized firms such as First Solar specialize in advanced thin film photovoltaic technology, while younger companies like Commonwealth Fusion Systems develop commercial fusion energy.
The data shows a concentration of companies in Texas, particularly Houston, with firms like Solaris Energy Infrastructure improving wellsite performance in oil and gas, and Giga Energy manufacturing electrical equipment and power generation assets. Other companies like Ormat Technologies, Inc. focus on geothermal energy, and Eos Energy Enterprises, Inc. designs energy storage solutions, indicating a diverse approach to energy challenges across the continent.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
GE Vernovalinktr.ee
A purpose-built company focused on electrifying the planet and decarbonizing it through a diverse portfolio of energy businesses, ensuring reliable and sustainable energy |
70,646 | |||
| 2 |
Baker Hughesbakerhughes.com
Energy technology company providing innovative solutions globally, focusing on safety, efficiency, and sustainability in the energy and industrial sectors |
67,440 | |||
| 3 |
First Solarfirstsolar.com
Leading American company specializing in advanced thin film photovoltaic technology, manufacturing high-performance solar modules for reliable power generation. |
6,686 | |||
| 4 |
Ormat Technologies, Inc.ormat.com
A leading geothermal company focusing on renewable energy solutions, energy storage, and recovered energy generation with a global presence |
1,337 | |||
| 5 |
NDT Globalndt-global.com
Provider of advanced ultrasonic and non-ultrasonic inspection technologies delivering predictive insights for safer, cost-effective pipeline infrastructure management and risk reduction. |
1,310 | |||
| 6 |
Commonwealth Fusion Systemscfs.energy
A company specializing in commercial fusion energy, developing compact power plants using HTS magnet technology to combat climate change |
1,089 | |||
| 7 |
Eos Energy Enterprises, Inc.eose.com
This company specializes in designing and manufacturing safe, scalable, and sustainable energy storage solutions to accelerate the shift to clean energy |
469 | |||
| 8 |
Solaris Energy Infrastructuresolaris-energy.com
Innovative oil and gas industry leader improving wellsite performance with cutting-edge technologies, automated control systems, and customer-focused support |
434 | |||
| 9 |
Base Power Companybasepowercompany.com
Modernizing the aging power grid with a nationwide network of distributed batteries to strengthen infrastructure and reduce energy costs. |
393 | |||
| 10 |
SB Energysbenergy.com
SB Energy is a leading Climate Infrastructure and Technology Platform developing, owning, and operating renewable energy projects at scale |
342 | |||
| 11 |
SHINE Technologiesshinefusion.com
The company accelerates the development of fusion energy technology to address current challenges in various industries such as medicine and energy |
342 | |||
| 12 | 229 | ||||
| 13 |
Renew Homerenewhome.com
The company partners across the energy industry to help customers save energy and money at home, revolutionizing the way we power the world |
203 | |||
| 14 |
Cleantech Industry Resources (CIR)cleantechindustryresources.com
A company providing renewable energy project development and construction services with full transparency, efficiency, and 24-hour support for projects of any size |
202 | |||
| 15 |
Giga Energygigaenergy.com
International energy infrastructure company based in Houston & Shanghai, manufacturing electrical equipment, data centers, and power generation assets, with operations in North and South America |
177 | |||
| 16 |
Peak Energypeakenergy.com
An American venture specializing in low-cost, giga-scale storage for clean, affordable, and reliable energy, with expertise in sodium-ion battery technology |
173 | |||
| 17 |
Energy CXenergycx.com
Innovative energy procurement company focused on maximizing savings, transparency, and sustainability for businesses through technology and industry expertise Join now! |
161 | |||
| 18 |
Rondo Energyrondo.com
Providing zero-carbon industrial heat solutions using a heat battery that powers processes with renewable electricity, reducing costs and emissions. |
159 | |||
| 19 |
Enerkemenerkem.com
This company produces advanced biofuels and circular chemicals from non-recyclable municipal solid waste, helping diversify the energy mix and reduce landfilling |
156 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 20 |
Zap Energyzapenergy.com
Innovative company developing a low-cost, small fusion reactor as an alternative path to viable fusion energy, without relying on magnets |
147 | |||
| 21 |
Leapleap.energy
A platform that integrates distributed energy resources with energy markets to access grid services revenue streams and create virtual power plants |
112 | |||
| 22 |
WellStatwellstat.io
Advanced data analytics and IoT integration for energy management, air quality improvement, and sustainable building performance optimization in built environments. |
76 | |||
| 23 |
David Energydavidenergy.com
technology-driven electricity company integrating smart devices to optimize renewable energy use, reduce costs, and improve power reliability for homes and businesses |
57 | |||
| 24 |
Validerevalidere.com
Validere is a technology company that helps energy organizations optimize their supply chain through data analysis for financial and environmental benefits |
44 | |||
| 25 |
ISAisaindustries.com
A collective of entrepreneurs and engineers developing sustainable and affordable energy solutions to empower users towards energy independence |
35 | |||
| 26 |
SISU Energy and Environmentalsisu-ee.com
A solutions-driven partner specializing in emissions reduction, retrofit optimization, field service, waste heat recovery, renewables, and distributed energy for sustainable projects |
35 | |||
| 27 |
Verneverne-power.com
A cleantech startup accelerating the shift to zero-emission heavy transportation through innovative high-density hydrogen technology for trucks and heavy vehicles Visit website for career opportunities |
25 | |||
| 28 |
CAMX Powercamxpower.com
Cutting-edge energy storage technology development company providing breakthrough battery innovations through deep expertise in lithium-ion systems and state-of-the-art facilities |
22 | |||
| 29 |
Energy Companyenergycompany.com
A company specializing in renewable energy solutions such as solar panels, batteries, and electric vehicle charging stations |
19 | |||
| 30 |
EnPoweredenpowered.com
A cleantech company accelerating adoption of energy solutions for energy-intensive industries through on-bill payments, price prediction, and building a Virtual Energy Movement |
17 | |||
| 31 |
Vindum Engineering Inc.vindum.com
Specializing in high-pressure pumps, valves, and laboratory equipment since 1987 Known for innovative designs, durability, and global customer satisfaction |
10 | |||
| 32 |
Capacitech Energycapacitechenergy.com
Capacitech innovates energy storage by integrating it into power cords, helping customers enhance batteries and renewables while reducing costs |
6 | |||
| 33 |
Thermal Energy HQin.powerpanel.com
Innovative solar technology solutions provider offering hybrid solar-thermal technology, rapid deployment systems, and sustainable energy solutions for various industries and applications |
6 | |||
| 34 |
oilfield.ai庐maillance.com
Global industrial AI SaaS company supporting oil & gas upstream digital transformation Provides tools combining physics and AI/ML for cost reduction and emissions |
5 | |||
| 35 |
Shomax Energyshomax.ca
A global leader in renewable and clean energy initiatives, focusing on quality development and operational excellence to deliver exceptional returns to investors |
5 | |||
| 36 |
Xeco Energyxecoenergy.com
Engineering and consulting firm offering energy management solutions for commercial and industrial clients globally, focusing on improving efficiencies and reducing costs |
4 | |||
| 37 |
Servant Energy Business Solutions (SEBS)servantenergy.com
This company provides permanent and temporary power solutions, energy efficiency consultation, LED lighting, bill audits, waste/recycling consultation, EV charging stations, and solar power solutions |
3 | |||
| 38 |
Energy Driven Technologies, LLC (Editekk)editekk.com
The company develops custom surfaces and coatings using nanotechnology to enhance material performance, focusing on advanced materials for healthcare and energy devices |
3 | |||
| 39 |
FinSat Inc.finsat.space
FinSat Inc integrates GIS and fintech to empower real estate industry professionals with tools and insights for informed decision-making and optimized investments |
1 | |||
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 15, 2026.
More company lists in North America
- The largest companies in North America 119,530
- Multinational companies in North America 18,655
- Manufacturers in North America 10,135
- Education providers in North America 8,464
- Retail chains in North America 8,234
- Financial services firms in North America 7,768
- Companies with in-house R&D in North America 7,617
- Critical infrastructure operators in North America 6,768
- Hardware manufacturers in North America 5,983
- Financial Services companies in North America 5,619
- Public sector organisations in North America 5,044
- Higher Education companies in North America 3,953
- Construction companies in North America 3,792
- Energy companies in North America 3,542
- Publicly traded companies in North America 3,538
- Family-owned companies in North America 3,387
- Corporate groups and holding companies in North America 3,311
- Distributors and wholesalers in North America 3,207
- Hotel and hospitality groups in North America 3,149
- E-commerce companies in North America 2,945
- Logistics companies in North America 2,701
- Insurance companies in North America 2,622
- Government Administration companies in North America 2,497
- Retail companies in North America 2,408