The nuclear energy industry is focused on providing clean and efficient power through the use of nuclear technology. Within this industry, there are various companies that specialize in different aspects of the nuclear energy supply chain. These companies offer a range of products and services, including planning and licensing, fuel services, manufacturing of nuclear components, waste management, and research and development. Additionally, companies in this industry may also be involved in areas such as naval nuclear propulsion, advanced reactor technology, and nuclear medicine. The industry is driven by a commitment to safety, innovation, and sustainability. With the increasing demand for clean energy sources, the nuclear energy industry is likely to see continued growth and advancements in technology.


Top 16 Nuclear Energy Companies in the US

1. Westinghouse Electric Company

  • Headquarter: Cranberry Township, Pennsylvania, United States
  • Headcount: 5001-10000
  • Latest funding type: Secondary Market
  • LinkedIn

Westinghouse Nuclear is a global leader in providing tomorrow's energy solutions. They specialize in planning and licensing, spent fuel services, cranes and fuel handling, decontamination, nuclear components manufacturing, dismantling, and waste management. With a focus on safety and innovation, they offer a wide range of products and services for the nuclear industry.

2. General Atomics

  • Headquarter: San Diego, California, United States
  • Founded: 1955
  • Headcount: 10001+
  • Latest funding type: Grant
  • LinkedIn

General Atomics Aeronautical Systems, Inc. is a company that provides remotely piloted aircraft systems, defense, and commercial products. They have recently signed a new contract with the U.S. Air Force Special Operations Command to provide three MQ-9B SkyGuardian systems. The company offers technology-driven solutions for energy systems, unmanned aircraft systems, and defense. Their customers could include government agencies, military organizations, and commercial entities. General Atomics can be categorized as an aerospace and defense company. Some relevant keywords for their offering include remotely piloted aircraft systems, defense products, and energy systems. Their business model can be described as manufacturing and technology-driven. They fit into the industry categories of aerospace and defense, energy, and technology. Their customers include government agencies, military organizations, and commercial entities. Other relevant keywords include robotics, technology solutions, and advanced manufacturing.

3. BWX Technologies, Inc.

  • Headquarter: Lynchburg, Virginia, United States
  • Founded: 1867
  • Headcount: 5001-10000
  • LinkedIn

BWXT is a nuclear technology company that specializes in a wide range of products and services related to nuclear power, such as naval nuclear propulsion, commercial nuclear components, nuclear fuel, and strategic nuclear materials. They also provide complex operations management, environmental management, nuclear medicine, research, and advanced technologies.

4. Idaho National Laboratory

  • Headquarter: Idaho Falls, Idaho, United States
  • Founded: 1949
  • Headcount: 5001-10000
  • Latest funding type: Grant
  • LinkedIn

The company, INL, specializes in building advanced nuclear reactors for this century. They offer innovative applications for maritime propulsion, space technologies, decarbonized heat generation, water desalination, and hydrogen production. They aim to provide abundant clean energy to the world.

5. Savannah River Nuclear Solutions

  • Headquarter: Aiken, South Carolina, United States
  • Founded: 2008
  • Headcount: 5001-10000
  • LinkedIn

Savannah River Nuclear Solutions (SRNS) is a leading company in the nuclear energy industry. With a focus on clean energy, SRNS provides innovative solutions and services in the field of nuclear power. They offer a range of services including research and development, nuclear waste management, and decommissioning. SRNS is committed to promoting sustainable energy and advancing technology in the nuclear sector.

6. Southern Nuclear

  • Headquarter: Birmingham, Alabama, United States
  • Headcount: 1001-5000
  • LinkedIn

Southern Nuclear is a subsidiary of Southern Company and is a leading operator of nuclear energy facilities. With a commitment to safety and industry-leading performance, they provide carbon-free electricity to millions of homes and businesses. They prioritize community engagement and actively give back to the communities near their operating plants.

7. STP Nuclear Operating Company

  • Headquarter: Wadsworth, Texas, United States
  • Headcount: 1001-5000
  • LinkedIn

STP Nuclear Operating Company (stpnoc.com) is a leading nuclear power company that operates the South Texas Project Electric Generating Station. With two units producing 2,700 megawatts of carbon-free electricity, STP provides clean energy to two million Texas homes. The company is committed to nuclear safety, plant operations improvement, and safe and reliable energy generation.

8. Centrus Energy Corp.

  • Headquarter: Bethesda, Maryland, United States
  • Founded: 1998
  • Headcount: 201-500
  • LinkedIn

Centrus Energy is a trusted supplier of nuclear fuel and services for the nuclear power industry. They provide fuel and services for commercial nuclear reactors and play a critical role in supporting U.S. national security and advanced manufacturing and engineering capabilities.

9. Holtec International

  • Headquarter: Jupiter, Florida, United States
  • Founded: 1986
  • Headcount: 501-1000
  • Latest funding type: Debt Financing
  • LinkedIn

Holtec International is a company specializing in nuclear fuel and waste management solutions. They offer products and services such as dry cask storage and transportation, wet fuel storage systems, and high-density spent fuel storage racks.

10. NuScale Power

  • Headquarter: Corvallis, Oregon, United States
  • Founded: 2007
  • Headcount: 201-500
  • Latest funding type: Post Ipo Equity
  • LinkedIn

NuScale Power is a leading developer of Small Modular Reactor (SMR) technology. They offer smarter, cleaner, safer, and cost-competitive nuclear energy solutions. With their innovative features and functionality, NuScale's small modular reactor technology is revolutionizing the industry.

11. Kairos Power

  • Headquarter: Alameda, California, United States
  • Founded: 2016
  • Headcount: 201-500
  • Latest funding type: Grant
  • LinkedIn

Kairos Power is a mission-driven engineering company focused on delivering clean, affordable, and safe energy solutions. They specialize in advanced reactor technology and are committed to reducing long-term costs while providing a near zero carbon footprint and low water consumption. With a robust and inherently safe design, they aim to create a path towards a truly clean energy system.

12. SHINE Technologies

  • Headquarter: Janesville, Wisconsin, United States
  • Founded: 2005
  • Headcount: 201-500
  • LinkedIn

SHINE Technologies is a company founded in 2005 with the purpose of improving the world through nuclear fusion technology. They have a commercially practical approach to fusion and aim to create a safer, healthier, and cleaner world. The company focuses on four phases: inspecting industrial components, producing medical isotopes, recycling nuclear waste, and generating fusion power.

13. TerraPower LLC

  • Headquarter: Bellevue, Washington, United States
  • Founded: 2006
  • Headcount: 51-200
  • Latest funding type: Series A
  • LinkedIn

TerraPower is a clean energy company that aims to address the growing demand for electricity by advancing nuclear energy. They focus on developing groundbreaking technologies, including nuclear science for medical isotopes to treat cancer. TerraPower is dedicated to lifting billions out of poverty through clean energy solutions.

14. WECTEC, subsidiary of Westinghouse, LLC

  • Headquarter: United States
  • Headcount: 51-200
  • LinkedIn

Mitsubishi Nuclear Energy Systems (MNES) offers nuclear service technologies and methods to US companies, ensuring the safety and longevity of the American nuclear fleet. MNES provides replacement components, services, and technologies to US utilities operating pressurized water reactor nuclear power plants. They also offer the US-APWR nuclear power reactor design, contributing to America's energy independence and providing clean, safe nuclear energy. MNES has a diverse workforce and fosters employee growth.

15. Usnc

  • Headquarter: Seattle, Washington, United States
  • Founded: 2011
  • Headcount: 51-200
  • Latest funding type: Series A
  • LinkedIn

Ultra Safe Nuclear is a company that specializes in the development of advanced nuclear technologies. They offer innovative solutions for clean and reliable zero-carbon energy production. With a focus on Nuclear Thermal Propulsion (NTP) systems and radioisotope-powered spacecraft, they are at the forefront of cutting-edge technology in the nuclear industry.

16. WSC, Inc. (Western Services Corporation)

  • Headquarter: Frederick, Maryland, United States
  • Founded: 1995
  • Headcount: 51-200
  • LinkedIn

WSC is a company that specializes in providing simulation technology and training for nuclear and fossil power plants. They offer a range of simulator models and training programs to enhance the skills and knowledge of power plant operators. With a focus on maintaining and expanding a highly skilled workforce, WSC aims to ensure the safe and reliable operation of power plants.

Want to find more nuclear energy companies?

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