2025’s Top 10 Nuclear Companies in Spain

We’re tracking 48,858 Nuclear companies in Spain.

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Companies	Employees	HQ location	Revenue	Founded	Estimated Traffic	Industries
Coal India	View 1,392 employees	🇮🇳 West Bengal, Kolkata+12	$ >1000M	1975	2,105,585	Manufacturing, Power Grid
Northrop Grumman	View 84,669 employees	🇺🇸 Virginia, West Falls Church+21	$ >1000M	2015	3,000,000	Space Travel, Manufacturing
Kbr	View 28,900 employees	🇺🇸 Texas, Houston+43	$ >1000M	1919	1,275,876	Nuclear
BWX Technologies	View 3,029 employees	🇺🇸 Virginia, Lynchburg+26	$ >1000M	1867	100,232	Nuclear, Energy
Steel Dynamics	View 2,306 employees	🇺🇸 Indiana, Fort Wayne+17	$ >1000M	1993	66,864	Industrial, Manufacturing
State Atomic Energy Corporation Rosatom	View 846 employees	🇷🇺 Madrid, Moscow+4	$ 500-1000M	2007	2,184,371	Nuclear, Energy
University of Wisconsin Carbone Cancer Center	View 23,707 employees	🇺🇸 Wisconsin, Madison+25	$ 500-1000M	1848	64,063,998	Universities, Education
Cnrs	View 19,358 employees	🇫🇷 Paris, Ile-de-France, Paris+54	$ 500-1000M	1939	15,282,999	Manufacturing, Nanotechnology
Mspgcl	View 895 employees	🇮🇳 Maharashtra, Mumbai+4	$ 500-1000M	1996	2,263,059	Energy, Power Grid
Los Alamos National Laboratory	View 12,041 employees	🇺🇸 New Mexico, Los Alamos+3	$ 500-1000M	1943	2,090,300	Nuclear
Coal India	View 1,392 employees	🇮🇳 West Bengal, Kolkata+12	$ >1000M	1975	2,105,585	Manufacturing, Power Grid
Northrop Grumman	View 84,669 employees	🇺🇸 Virginia, West Falls Church+21	$ >1000M	2015	3,000,000	Space Travel, Manufacturing
Kbr	View 28,900 employees	🇺🇸 Texas, Houston+43	$ >1000M	1919	1,275,876	Nuclear
BWX Technologies	View 3,029 employees	🇺🇸 Virginia, Lynchburg+26	$ >1000M	1867	100,232	Nuclear, Energy
Steel Dynamics	View 2,306 employees	🇺🇸 Indiana, Fort Wayne+17	$ >1000M	1993	66,864	Industrial, Manufacturing
State Atomic Energy Corporation Rosatom	View 846 employees	🇷🇺 Madrid, Moscow+4	$ 500-1000M	2007	2,184,371	Nuclear, Energy
University of Wisconsin Carbone Cancer Center	View 23,707 employees	🇺🇸 Wisconsin, Madison+25	$ 500-1000M	1848	64,063,998	Universities, Education
Cnrs	View 19,358 employees	🇫🇷 Paris, Ile-de-France, Paris+54	$ 500-1000M	1939	15,282,999	Manufacturing, Nanotechnology
Mspgcl	View 895 employees	🇮🇳 Maharashtra, Mumbai+4	$ 500-1000M	1996	2,263,059	Energy, Power Grid
Los Alamos National Laboratory	View 12,041 employees	🇺🇸 New Mexico, Los Alamos+3	$ 500-1000M	1943	2,090,300	Nuclear

1. Coal India

Coal India, primarily known for its role as the largest coal mining company globally, also extends its operations into the nuclear energy sector. The company, based in India, provides the essential uranium mining and heavy water production resources necessary for nuclear energy facilities. With a strategic focus on diversifying its energy portfolio in an era moving towards clean and sustainable energy solutions, Coal India is actively involved in contributing to the nuclear power capabilities in India, aligning with the nation’s energy security goals and reducing carbon emissions.

Location 🇮🇳 West Bengal, Kolkata	Size View 1,392 employees
Revenue $ >1000M	Industries Manufacturing, Energy, Natural Resources, Sustainability, Science and Engineering
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2. Northrop Grumman

Northrop Grumman, a prominent aerospace and defense technology company based in the United States, plays a crucial role in the nuclear industry, particularly in safeguarding national security. Its involvement spans the development of nuclear propulsion systems for U.S. Navy submarines and aircraft carriers, enhancing the efficiency and safety of nuclear capabilities. In this sphere, Northrop Grumman exhibits a robust commitment to advancing nuclear technology, ensuring elite performance in high-stakes environments. Their strategic presence in this sector underscores their pivotal role in national defense and energy resilience, marking them as a leader in nuclear innovation.

Location 🇺🇸 Virginia, West Falls Church	Size View 84,669 employees
Revenue $ >1000M	Industries Transportation, Manufacturing, Government and Military, Information Technology, Science and Engineering
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4. BWX Technologies

BWX Technologies, headquartered in Lynchburg, Virginia, is a prominent player in the nuclear industry, focusing on providing nuclear components, reactors, and services for both governmental and commercial use. In the U.S., BWX Technologies stands out for its significant contributions to national defense, supplying naval nuclear propulsion components. Their expertise extends to nuclear medicine, where they pioneer isotopes crucial for cancer treatment, emphasizing their commitment to enhancing public health through advanced nuclear technologies. Their operations highlight a blend of innovation and reliability, driving safety and efficiency in nuclear applications.

Location 🇺🇸 Virginia, Lynchburg	Size View 3,029 employees
Revenue $ >1000M	Industries Science and Engineering, Energy, Manufacturing
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5. Steel Dynamics

Steel Dynamics, located in the United States, is primarily known for its steel production and metal recycling capabilities. Although not directly involved in the nuclear industry, Steel Dynamics contributes indirectly through the provision of high-quality steel products that are essential in the construction and maintenance of nuclear facilities. Their materials are integral to building the infrastructure that supports nuclear energy, highlighting their indirect role in promoting sustainable energy solutions across various sectors, including nuclear power. The company’s strategic focus on sustainable practices aligns well with the growing global emphasis on clean and renewable energy sources.

Location 🇺🇸 Indiana, Fort Wayne	Size View 2,306 employees
Revenue $ >1000M	Industries Manufacturing, Science and Engineering
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6. State Atomic Energy Corporation Rosatom

State Atomic Energy Corporation Rosatom, headquartered in Russia, is a global leader in nuclear technology and energy. In Spain, Rosatom extends its vast expertise by contributing to the country’s nuclear power initiatives, emphasizing innovation and safety in nuclear energy solutions. The corporation is engaged in the design and construction of nuclear reactors, as well as the production of nuclear fuel, highlighting its integral role in advancing sustainable energy solutions in European markets. Rosatom’s commitment to technological excellence supports Spain’s energy goals, positioning the company as a pivotal player in the regional nuclear energy sector.

Location 🇷🇺 Madrid, Moscow	Size View 846 employees
Revenue $ 500-1000M	Industries Energy, Science and Engineering, Sustainability
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7. University of Wisconsin Carbone Cancer Center

Located in Madison, Wisconsin, the University of Wisconsin Carbone Cancer Center (UWCCC) excels in utilizing nuclear medicine to advance cancer diagnosis and treatment. Recognized for their innovative approach in the nuclear field, UWCCC employs cutting-edge technology to improve imaging techniques and radiotherapy, specifically targeting malignant cells while minimizing damage to healthy tissues. This focus not only elevates the standard of care but also catalyzes further research and development in oncological applications of nuclear science, helping patients achieve better outcomes.

Location 🇺🇸 Wisconsin, Madison	Size View 23,707 employees
Revenue $ 500-1000M	Industries Education, Energy, Science and Engineering
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8. Cnrs

The National Center for Scientific Research (CNRS), based in France, is a stellar organization in the realm of scientific study which includes notable involvement in nuclear research. This public organization collaborates with multiple entities including prestigious universities and international bodies, aiming to advance knowledge and its applications in various scientific areas, from basic physics to nuclear safety. CNRS’s commitment to innovation and scientific excellence helps enhance sustainable technologies and methodologies in the nuclear sector, particularly focusing on issues like nuclear waste management and safety protocols in the European region.

Location 🇫🇷 Paris, Ile-de-France, Paris	Size View 19,358 employees
Revenue $ 500-1000M	Industries Science and Engineering, Manufacturing
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9. Mspgcl

Mspgcl (Maharashtra State Power Generation Company Limited), headquartered in Mumbai, India, plays a pivotal role in the region’s power sector, including the nuclear segment. The company is responsible for generating electricity through multiple sources, including nuclear power plants, aiming to support the high demand for energy in Maharashtra. They are strategically focused on enhancing their infrastructure and capacity to ensure reliable and continuous power supply, positioning themselves as a vital entity in the power generation landscape in India, including significant operations related to nuclear energy in the region.

Location 🇮🇳 Maharashtra, Mumbai	Size View 895 employees
Revenue $ 500-1000M	Industries Energy, Science and Engineering
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10. Los Alamos National Laboratory

Located in New Mexico, U.S., Los Alamos National Laboratory (LANL) is a multidisciplinary research institution engaged in strategic science supporting national security missions. LANL’s primary focus includes cutting-edge research and development related to nuclear defense, ensuring the safety, security, and reliability of the United States’ nuclear deterrence. Their work extends into various scientific areas, aiming to solve critical problems related to energy, environment, infrastructure, health, and global security challenges. Their extensive research in nuclear science consolidates their strategic position in the national security ecosystem of the United States.

Location 🇺🇸 New Mexico, Los Alamos	Size View 12,041 employees
Revenue $ 500-1000M	Industries Science and Engineering
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