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.

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
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
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
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 Street - Nuclear Powered Portal logo

Nuclear Street - Nuclear Powered Portal

๐Ÿ‡บ๐Ÿ‡ธ 463 Dinwiddie Ave Waynesboro, Virginia 22980, US

Nuclear Street is a platform dedicated to networking and information exchange among professionals in the nuclear energy sector, focusing on topics such as nuclear power plants, waste management, and fusion. It offers specialized resources including news, job listings, and a social network tailored to the needs of the nuclear industry.

nuclear energy
nuclear power
nuclear fusion
nuclear waste
professional networking
job exchange
industry news
periodical publishing
resume sharing
supplier connections
Company size: 2-10
Founded: 2000
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
USNC-Tech logo

USNC-Tech

๐Ÿ‡บ๐Ÿ‡ธ Seattle, US

USNC-Tech specializes in the development of advanced nuclear technology for both terrestrial and space applications, aiming to support human settlement in outer space while addressing clean energy needs on Earth. Its innovative approach positions nuclear power as a critical solution for sustainable living and working in space.

nuclear technology
space applications
clean energy
advanced manufacturing
sustainable energy
terrestrial applications
space settlement
energy development
Company size: 11-50
Founded: 2019
HALEU Energy Fuel logo

HALEU Energy Fuel

๐Ÿ‡บ๐Ÿ‡ธ 1411 Broadway New York, New York 10019, US

Specializing in the development and manufacture of High Assayed Low Enriched Uranium (HALEU), this entity focuses on addressing the challenges of fueling portable micro reactors and enhancing the domestic nuclear fuel landscape. By collaborating with national labs and international partners, it aims to secure and develop consistent sources of enriched uranium for advanced nuclear reactors, contributing to carbon-free energy solutions.

nuclear power
uranium
enrichment
HALEU
advanced reactors
micro reactors
small modular reactors
carbon-free
net-zero
fuel supply
Company size: 11-50
Founded: 2022
United States Nuclear Industry Council logo

United States Nuclear Industry Council

๐Ÿ‡บ๐Ÿ‡ธ 1317 F St NW Suite 300

A leading advocate for advanced nuclear energy, this organization promotes the U.S. supply chain globally and fosters collaboration among industry stakeholders through educational programs and market insights, positioning nuclear energy as a key component of a clean energy future.

nuclear energy
government relations
supply chain
advocacy
clean energy
market intelligence
educational programs
industry insights
innovation
utility services
Company size: 2-10
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
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
US Nuclear Energy Foundation logo

US Nuclear Energy Foundation

๐Ÿ‡บ๐Ÿ‡ธ PO Box 2867 Sparks, 89432, US

Dedicated to grassroots education, this non-profit organization advocates for the benefits of nuclear energy and provides insights to government officials, emphasizing its role as the largest source of carbon-free energy globally. Through presentations and advocacy writing, it aims to promote informed discussions about nuclear technology and challenge prevailing misconceptions.

nuclear energy
grassroots education
public awareness
advocacy
carbon-free energy
technology education
civic engagement
policy input
Company size: 1
Founded: 2005
UxC, LLC logo

UxC, LLC

๐Ÿ‡บ๐Ÿ‡ธ 1501 Macy Drive Roswell, Georgia 30076, US

UxC, LLC specializes in providing comprehensive data and analysis for the nuclear fuel market, focusing on uranium, conversion, and enrichment sectors. Notably, it pioneered the introduction of uranium futures contracts and has expanded its services to include reactor technology assessments and used fuel management.

nuclear fuel
market data
price analysis
supply chain
demand analysis
uranium
conversion
enrichment
reactor technologies
fuel management
training seminar
international organizations
Company size: 11-50
Founded: 1994

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
ZettaJoule, Inc. logo

ZettaJoule, Inc.

๐Ÿ‡บ๐Ÿ‡ธ 11921 Rockville Pike Rockville, Maryland 20852, US

ZettaJoule, Inc. specializes in nuclear electric power generation, focusing on transforming the energy ecosystem through innovative nuclear fission technology. By integrating and consolidating nuclear supply chains and developing small modular nuclear power plants, it offers firm, clean zero-carbon power and various hydrogen products, contributing to decarbonization efforts.

nuclear
power
electricity
clean energy
hydrogen
decarbonization
small modular reactor
process heat
carbon free
sustainable energy
Company size: 2-10
Founded: 2023
Bay State Energy logo

Bay State Energy

๐Ÿ‡บ๐Ÿ‡ธ Boston, MA 02215, US

Bay State Energy specializes in nuclear electric power generation, pioneering the development of the worldโ€™s first non-turbine microreactor to reduce the cost of nuclear power.

nuclear energy
power generation
microreactor
research and development
energy systems
cost reduction
non-turbine
Company size: 2-10
Founded: 2023

Entergy Nuclear Palisades, LLC

๐Ÿ‡บ๐Ÿ‡ธ 27780 BLUE STAR MEMORIAL HWY Covert, Michigan 49043, us

Entergy Nuclear Palisades, LLC operates in the utilities sector, specializing in nuclear energy production. The organization is focused on delivering reliable and sustainable energy solutions through innovative nuclear technology.

nuclear energy
power generation
utilities
energy production
electricity
reactor technology
energy management
safety protocols
Company size: 2-10
Founded: 1971
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

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