Top Nuclear Energy Companies in the US

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In 2025, the nuclear energy sector in the United States is marked by innovation and sustainability, driven by key players such as Natura Resources, which focuses on molten salt reactors, and Nano Nuclear Energy Inc., pioneers of portable microreactor technology. Other firms like BHI Energy and Southern Company emphasize operational excellence in power generation and investment strategies. Grounded in various locations including New York, Texas, and Wisconsin, these companies demonstrate diverse approaches to addressing energy demands while upholding safety and environmental standards.

Transatomic Power logo

Transatomic Power

๐Ÿ‡บ๐Ÿ‡ธ Transatomic Power Corporation 1 Broadway, 14th floor

Transatomic Power is innovating in the renewable energy sector by developing molten salt reactors that generate clean, safe, and affordable nuclear power. Their technology offers a revolutionary alternative to traditional light water reactors, providing a low-cost and environmentally-friendly solution for electricity generation that is inherently safe and capable of replacing fossil fuels.

renewable energy
nuclear power
molten salt reactor
carbon-free electricity
safe design
energy technology
fossil fuel alternative
clean energy
low-cost energy
semiconductor manufacturing
Company size: 2-10
Founded: 2010
UCAN Power - United Coalition for Advanced Nuclear Power logo

UCAN Power - United Coalition for Advanced Nuclear Power

๐Ÿ‡บ๐Ÿ‡ธ Washington, DC 20002, US

UCAN Power is dedicated to advancing small and micro nuclear reactors, promoting clean, safe, and reliable energy solutions for diverse applications. With a focus on responsible advocacy and market-driven policies, it aims to facilitate the growth of innovative nuclear technology in the energy sector.

nuclear power
clean energy
micro reactors
small reactors
energy generation
advanced nuclear
energy policy
safety standards
technology advocacy
government collaboration
Company size: 2-10
Founded: 2021
Ignition logo

Ignition

๐Ÿ‡บ๐Ÿ‡ธ 2919 1/2 Main St Santa Monica, California 90405, US

Ignition is an innovative platform in the internet news industry, specializing in a biweekly newsletter that provides comprehensive insights into the business and policy aspects of nuclear energy. Its focus on delivering timely and relevant information positions it as a unique resource for those interested in the evolving landscape of nuclear energy.

nuclear energy
energy policy
news publication
email newsletter
industry insights
business analysis
energy sector
Company size: 2-10
Hadron Energy logo

Hadron Energy

๐Ÿ‡บ๐Ÿ‡ธ San Francisco, CA 94107, US

Hadron Energy focuses on the research, design, and development of Micro Nuclear Reactors (MNR), positioning itself as a leader in the nuclear electric power generation industry. With a commitment to providing limitless clean energy, it aims to advance sustainable energy solutions and promote a healthier, more equitable future.

nuclear energy
clean energy
micro nuclear reactors
small modular reactors
renewable energy
engineering
design
manufacturing
industrial
licensing
Company size: 2-10
Founded: 2024

Nuclear Power Corporation of India

๐Ÿ‡บ๐Ÿ‡ธ Mumbai, Maharashtra, US

Nuclear Power Corporation of India specializes in the development and operation of nuclear power plants, contributing to the energy sector with a focus on sustainable and efficient energy production.

energy
nuclear
power generation
electricity
reactor technology
renewable energy
safety protocols
infrastructure
Company size: 201-500
Nuclear Fusion Stocks logo

Nuclear Fusion Stocks

๐Ÿ‡บ๐Ÿ‡ธ New York State Throughway Brocton, New York 14716, US

A premier source for insights and analysis in the renewable energy sector, this platform focuses on advancements, challenges, and investment opportunities in nuclear fusion technology, emphasizing its potential to contribute to a sustainable future and combat climate change.

nuclear fusion
renewable energy
power generation
energy policy
climate change
market analysis
investment opportunities
scientific research
technological advancements
sustainability
energy transition
clean energy
Company size: 2-10
Founded: 2023
OMNICORP Power (Star Energy) logo

OMNICORP Power (Star Energy)

๐Ÿ‡บ๐Ÿ‡ธ 1 Omni Way Austin , TX 78701, US

OMNICORP Power specializes in nuclear electric power generation, focusing on the development of innovative nuclear fusion technology through its STARFUSION reactor. The firm aims to provide clean, safe, and sustainable energy solutions, leveraging the potential of small modular reactors in the fusion energy sector.

nuclear fusion
power generation
fusion energy
clean energy
sustainable energy
modular reactors
Stellarator
energy technology
Company size: 51-200
Founded: 2010
Nano Nuclear Energy Inc. (NASDAQ: NNE) logo

Nano Nuclear Energy Inc. (NASDAQ: NNE)

๐Ÿ‡บ๐Ÿ‡ธ 1400 Broadway New York, New York 11106, US

NANO Nuclear Energy Inc. is an innovative player in the nuclear electric power generation industry, specializing in the development of portable microreactor technology and a vertically integrated approach to nuclear fuel fabrication, transportation, and consulting services. With advanced reactors like "ZEUS" and "ODIN," the firm aims to provide clean, on-demand energy solutions while establishing a unique supply chain for high-assay, low-enriched uranium fuel.

nuclear energy
microreactor
portable reactor
fuel fabrication
fuel transportation
consulting services
clean energy
HALEU
advanced reactor
zero carbon
green technology
energy crisis
Company size: 11-50
Founded: 2021
Nuclear Insider logo

Nuclear Insider

๐Ÿ‡บ๐Ÿ‡ธ 499 7th Ave New York, NY 10018, US

Nuclear Insider operates in the technology and media sectors, specializing in comprehensive information and insights related to the nuclear industry, including nuclear energy, uranium enrichment, and clean energy solutions. Their innovative approach positions them as a go-to resource for all things nuclear, promoting awareness and advancements in carbon-free energy.

nuclear
nuclear energy
uranium
enrichment
reactor
nuclear waste
nuclear power
radioactive
atomic
clean energy
carbon free energy
Company size: 2-10
Founded: 2023
Nuclearis Energy logo

Nuclearis Energy

๐Ÿ‡บ๐Ÿ‡ธ 7620 Jefferson St NE Suite 7

Nuclearis Energy is at the forefront of the renewable energy sector, offering innovative nuclear solutions with its N1 Micro Reactor, which operates without refueling and is designed for quick, safe installation. By integrating advanced nuclear technology with renewable energy systems, it aims to provide reliable, environmentally friendly power while significantly reducing CO2 emissions.

nuclear energy
micro reactor
renewable energy
power generation
sustainable energy
safety technology
fuel management
environmental impact
clean energy
base load power
energy integration
Company size: 11-50
Founded: 2019
Terrestrial Energy logo

Terrestrial Energy

๐Ÿ‡บ๐Ÿ‡ธ 9319 Robert D Snyder Rd Portal 316

A developer of Generation IV nuclear plants, specializing in proprietary Integral Molten Salt Reactor (IMSR) technology, this firm focuses on delivering zero-carbon, reliable energy solutions for industrial applications, including chemical synthesis and desalination. Its innovative approach aims to enhance the versatility and cost-effectiveness of nuclear energy, contributing to global decarbonization and energy security.

nuclear power
molten salt
Generation IV
clean energy
industrial heat
cogeneration
small modular reactor
green hydrogen
green ammonia
decarbonization
energy security
Company size: 51-200
Founded: 2013

Jane Capital Partners LLC

๐Ÿ‡บ๐Ÿ‡ธ 505 Montgomery St San Francisco, California 94111-2552, US

Jane Capital Partners specializes in investment management with a focus on innovative joint ventures and mergers and acquisitions. They are developing a groundbreaking Molten Salt Reactor that operates safely and cost-effectively, promising higher efficiency and lower production costs compared to traditional nuclear reactors.

investment management
joint ventures
mergers
acquisitions
nuclear reactor
molten salt
fission
energy efficiency
capital raising
reactor safety
power production
renewable energy
Company size: 2-10
Founded: 1999
Aalo Atomics logo

Aalo Atomics

๐Ÿ‡บ๐Ÿ‡ธ Austin, Texas, US

Aalo Atomics focuses on advancing nuclear electric power generation with the goal of providing affordable and safe clean energy at a cost of 3ยข per kWh, positioning itself to meet the majority of the world's energy needs sustainably. Its innovative approach aims for rapid deployment of nuclear technology to ensure abundant and dependable energy for future generations.

nuclear energy
power generation
clean energy
electricity
safety
energy efficiency
low-cost energy
sustainable power
renewable energy
deployment
Company size: 11-50
Founded: 2023
Boston Atomics logo

Boston Atomics

๐Ÿ‡บ๐Ÿ‡ธ Boston, MA, US

Boston Atomics is focused on decarbonizing the industrial process heat market through safe and easily constructed nuclear power solutions. By leveraging high-temperature-gas-reactor technology and a design for constructability approach, it addresses construction cost challenges while providing sustainable energy for sectors such as plastics, chemicals, and fertilizers.

nuclear power
decarbonization
industrial heat
high-temperature reactors
construction cost
process heat
innovative design
energy transition
clean energy
reactor technology
Company size: 2-10
Founded: 2020
Exertia logo

Exertia

๐Ÿ‡บ๐Ÿ‡ธ Phoenix, Arizona, US

Exertia is dedicated to advancing clean energy through the development and promotion of nuclear and renewable power projects, focusing on sustainable technologies and zero-emission energy sources. By collaborating with various stakeholders, it aims to rapidly decarbonize the energy sector and support the growth of the nuclear industry.

clean energy
nuclear energy
sustainability
power generation
nuclear power
small modular reactor
nuclear fission
zero carbon
sustainable technologies
emission-free
Company size: 2-10
Founded: 2021
Elysium Industries logo

Elysium Industries

๐Ÿ‡บ๐Ÿ‡ธ 300 Park Ave 12 Floor

Elysium Industries specializes in renewable energy semiconductor manufacturing, focusing on innovative molten chloride salt fast reactor technology to provide sustainable power solutions while eliminating radioactive materials. Their approach aims to combat energy poverty by delivering competitive-cost energy.

renewable energy
semiconductor manufacturing
nuclear engineering
molten salt
fast reactor
sustainable power
energy poverty
competitive cost
radioactive materials
energy solutions
Company size: 11-50
Founded: 2015
Clean Core Thorium Energy logo

Clean Core Thorium Energy

๐Ÿ‡บ๐Ÿ‡ธ Chicago , IL 60606, US

Clean Core Thorium Energy is focused on advancing nuclear electric power generation through innovative thorium-based fuel technology. Their proprietary ANEEL fuel enhances the efficiency, safety, and environmental sustainability of existing reactors, addressing urgent climate and human development challenges.

nuclear power
thorium
fuel technology
energy innovation
climate solutions
carbon reduction
renewable energy
reactor safety
Company size: 2-10
Founded: 2017
GE Hitachi Nuclear Energy logo

GE Hitachi Nuclear Energy

๐Ÿ‡บ๐Ÿ‡ธ Wilmington, North Carolina 28401, US

A leader in the nuclear electric power generation industry, GE Hitachi Nuclear Energy specializes in advanced reactors, fuel, and nuclear services, leveraging a strategic alliance to deliver innovative solutions to the global nuclear market.

nuclear energy
power generation
advanced reactors
nuclear services
fuel technology
energy solutions
Company size: 1001-5000

Solid Atomic specializes in the development of solid state nuclear reactor technology, focusing on photon intermediate direct energy conversion (PIDEC) to deliver an efficient and cost-effective fission to electricity conversion cycle. By utilizing advanced materials and innovative reactor designs, it aims to provide a high power density, zero-carbon source of clean energy.

nuclear power
solid state
atomic energy
fission
energy conversion
PIDEC
clean energy
high power density
zero-carbon
excimer technology
photovoltaic technology
Company size: 1
Founded: 2023
Nuclear Innovation Alliance logo

Nuclear Innovation Alliance

๐Ÿ‡บ๐Ÿ‡ธ 1200 18th Street, NW 7th Floor

A think tank focused on accelerating innovation in nuclear energy, dedicated to addressing environmental and energy challenges through action research, policy analysis, and outreach. By promoting economically competitive zero-carbon emission solutions, it aims to catalyze the next era of advanced nuclear energy systems while fostering diversity and collaboration among stakeholders.

nuclear energy
innovation
energy policy
action research
environmental sustainability
clean energy
commercialization
policy analysis
outreach
education
advanced systems
entrepreneurialism
Company size: 2-10

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