Top 27 Companies in Nuclear Weapons Manufacturing
Top 27 Companies in Nuclear Weapons Manufacturing





The industry of nuclear weapons manufacturing is a specialized sphere encompassing multiple disciplines with firms offering a wide range of products and services. These companies are primarily spread across defense, technology, and energy sectors, manufacturing advanced weaponry, conducting cutting-edge research, and designing cutting-edge tech solutions. They cater to an exclusive clientele, including military organizations and government agencies. In this increasingly mechanized and digitally transformed field, the role of robotics and remotely piloted systems is central. Future trends point towards intensified technological development to keep pace with global security needs and the drive towards sustainability within the sector.
Top 27 Nuclear Weapons Manufacturing Companies
1. General Atomics
- Website: ga.com
- Headquarters: San Diego, California, United States
- Founded: 1955
- Headcount: 10001+
- Latest funding type: Grant
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.
2. Lawrence Livermore National Laboratory
- Website: llnl.gov
- Headquarters: Livermore, California, United States
- Founded: 1952
- Headcount: 5001-10000
- Latest funding type: Grant
LLNL.gov is a national security laboratory that focuses on advancing weapon physics, pursuing fusion ignition, and developing new capabilities. They partner with NIF&PS for enduring partnerships and technology transfer. They offer research and expertise in high energy density science, laser power, and nuclear astrophysics.
3. Cavendish Nuclear
- Website: cavendishnuclear.com
- Headquarters: Birchwood, Warrington, United Kingdom
- Headcount: 5001-10000
Cavendish Nuclear is a leading company in the nuclear industry, providing integrated solutions for clean energy, defence, civil decommissioning, and technology. They offer engineering and safety consultancy, nuclear infrastructure design and build, nuclear equipment design and manufacture, nuclear operations, and decommissioning and waste management services. With a highly skilled workforce and expertise in the field, they are the largest employer of nuclear specialists in the UK. Cavendish Nuclear is committed to sustainability and is a key player in the global nuclear industry.
4. Durnstein Institute of Technology
- Website: durnstein.org
- Headquarters: Warren, Pennsylvania, United States
- Founded: 1931
- Headcount: 1001-5000
The Durnstein Center for Science and Medicine (DCSM) is a historical research institute offering a wide range of services to the military, federal entities, and non-governmental organizations. Founded by Albert J. Durnstein in 1930, DCSM has a long-standing history of engineering, IT, medical, and defense excellence, providing education opportunities that are often unmatched anywhere else in the world.
5. Domenix
- Website: domenix.com
- Headquarters: Chantilly, Virginia, United States
- Founded: 2001
- Headcount: 11-50
Domenix is an aerospace and defense technology company that offers information technology, software and hardware products, system solutions, and cloud services to the Department of Defense (DoD).
6. Consolidated Nuclear Security, LLC
- Website: cns-llc.us
- Headquarters: Oak Ridge, Tennessee, United States
- Headcount: 5001-10000
Consolidated Nuclear Security, LLC (CNS) is a company that specializes in nuclear security and operations. They provide a wide range of services related to the maintenance, refurbishing, and technological advancements in nuclear facilities.
7. CNA Corporation
- Website: cna.org
- Headquarters: Arlington, Virginia, United States
- Founded: 1942
- Headcount: 501-1000
CNA is an independent nonprofit research and analysis organization dedicated to the safety and security of the nation. With 80 years of experience, CNA provides scientific rigor and real-world approach to data, offering practical guidance on complex problems.
8. Nevada National Security Site
The company is involved in research and development, remote sensing and aerial measurement, stockpile stewardship, environmental impact assessments, and nuclear testing. They offer training courses and exercises for first responders and provide monitoring services to prevent terrorism. They also conduct waste disposal and have expertise in global security. The company hires professionals in science, technology, and engineering.
9. Kansas City National Security Campus
- Website: kcnsc.doe.gov
- Headquarters: Kansas City, Missouri, United States
- Founded: 1949
- Headcount: 1001-5000
The Kansas City National Security Campus is an advanced engineering and manufacturing facility operated by Honeywell Federal Manufacturing & Technologies for the Department of Energy's National Nuclear Security Administration. The KCNSC is located in the greater Kansas City area and Albuquerque, New Mexico, and is one of eight design and production agencies within the Nuclear Security Enterprise. With over 6,000 employees, the KCNSC is dedicated to ensuring the safety, security and dependability of our country's nuclear deterrence at a premier advanced manufacturing facility. Together, we create innovative solutions to national security challenges. To learn more, visit kcnsc.doe.gov.
10. Federation of American Scientists
- Website: fas.org
- Headquarters: Washington, District Of Columbia, United States
- Founded: 1945
- Headcount: 11-50
fas.org is a website that provides information and resources on national security and defense-related topics. It offers a wide range of publications, reports, and analysis on military technology, arms control, and intelligence technologies. The website serves as a valuable resource for policymakers, researchers, and the general public interested in understanding and staying up-to-date with national security issues.
11. Georgetown Security Studies Review
- Website: georgetownsecuritystudiesreview.org
- Headquarters: Washington, District Of Columbia, United States
- Founded: 2012
- Headcount: 11-50
Georgetown Security Studies Review is the official publication of the Georgetown University Center for Security Studies. It provides in-depth analysis, research, and commentary on various security issues. Topics covered include international relations, defense, terrorism, emerging technology, and nuclear weapons.
12. DefenceTalk gallery
- Website: defencetalk.com
- Headquarters: Lawrenceville, Georgia, United States
- Headcount: 51-200
DefenceTalk.com is a website providing military news, discussions and updates on topics such as war conflicts, missile systems, nuclear weapons, cybersecurity, and defence technology.
13. Tehran International Studies & Research Institute
- Website: tisri.org
- Headquarters: Tehran, Tehran, Iran (Islamic Republic of)
- Founded: 2000
- Headcount: 11-50
Tisri.org may be a technology or consulting company, but the website text is not related to the company's business. Further research is needed to extract relevant information.
14. The Korean Journal of International Studies
- Website: kjis.org
- Headquarters: Seoul, Seoul, Korea (the Republic of)
- Headcount: 11-50
KJIS is a scholarly journal that focuses on research in the field of information systems. It offers peer-reviewed articles on topics such as artificial intelligence, big data, and cybersecurity.
15. Pset
- Website: pset.jp
- Headcount: 11-50
PSET is a platform for security and emerging technologies that aims to provide a space for dialogue and exchange of ideas to contribute to policy-making.
16. Edge
- Website: edgegroup.ae
- Headquarters: Abu Dhabi, Abu Dhabi, United Arab Emirates
- Founded: 2019
- Headcount: 5001-10000
EDGE Group is a technology and defense company that specializes in manufacturing complex components for the aerospace, defense, and commercial industries. They offer precision engineering services and produce high-performance small arms, ammunition, and modular munitions. Additionally, EDGE Group provides training and services, including the design and development of advanced subsystems. They are focused on leveraging breakthrough technologies to enhance frontline support and achieve mission success in various domains.
17. General Dynamics Ordnance and Tactical Systems
- Website: gd-ots.com
- Headquarters: St. Petersburg, Florida, United States
- Founded: 1996
- Headcount: 1001-5000
GD-OTS (General Dynamics Ordnance and Tactical Systems) is a leading provider of explosive waste disposal technology, warhead and payload design, ammunition, and composite structures for aerospace and military applications.
18. Rafael Advanced Defense Systems
- Website: rafael.co.il
- Headquarters: Haifa, North, Israel
- Founded: 1948
- Headcount: 5001-10000
Rafael is a defense systems company specializing in air, land, and naval technologies. They offer advanced defense solutions to military and security organizations worldwide.
19. Comefor
- Website: comefor.com
- Headquarters: Roche La Molière, Centre, France
- Founded: 1964
- Headcount: 51-200
Comefor is a precision machining company that specializes in 5-axis machining and critical mechanical systems. They provide services to industries such as defense and security, oil and gas, aerospace, nuclear, and equipment manufacturing. Comefor offers expertise and technical support for precision machining, prototype development, and reengineering of outdated equipment.
20. Omni-Threat Structures
- Website: omni-threat.com
- Headquarters: Dallas, Texas, United States
- Headcount: 51-200
Omni-Threat Structures (OTS) is a leader in electromagnetic pulse (EMP) shielding and resiliency for critical structures. They offer configurable, scalable, and energy-efficient protection from EMP, high altitude electromagnetic pulse (HEMP), and intentional electromagnetic interference (IEMI) attacks. Their proprietary EM shielded construction process allows for the erection of multi-threat hardened structures, providing protection for property and assets. Their shielding elements have placement flexibility within the panels, accommodating various mechanical, electrical, plumbing, and fire protection requirements.
21. State Corporation Rostec
- Website: rostec.ru
- Headquarters: Moscow, Moscow City, Russian Federation
- Founded: 2003
- Headcount: 10001+
Rostec is a Russian state-owned corporation that specializes in high-tech industrial products and services. They focus on developing and manufacturing cutting-edge technologies in various fields, including electronics, aviation, and defense. Rostec offers innovative solutions and collaborates with enterprises in the radio-electronic complex. They are committed to enhancing people's quality of life through the creation of high-tech 'smart' products.
22. Applied Systems & Technology Transfer
About AST2 Applied Systems and Technology Transfer (AST2) is a small business designated as a HUBZone Contractor by the U.S. Small Business Administration (SBA), providing professional services to both Government and commercial clients. AST2’s goal is to provide technology solutions, including systems engineering and technical support services, to both governmental and commercial sectors. Applied Systems Group Applied Services Group focused on Federal programs and services, providing technology solutions and professional services to government and commercial clients. AST2 management has worked with Government agencies including DOD, DHS, DOE, FAA and NASA. Our personnel have performed a broad range of projects involving project management, engineering, systematization, construction and construction management, project controls, and other requirements particularly for complex, high value projects that require integration of unique technologies. Applied Technology Transfer Group The Applied Technology Transfer Group is focused on technology development and transfer, and STEM education and workforce development. This Group develops and implements technology at the nexus of education and workforce development, advanced manufacturing and cloud computing, leveraging the synergistic opportunities of these areas.
23. InfraGard
- Website: infragard.org
- Headquarters: Cleveland, Ohio, United States
- Founded: 1996
- Headcount: 10001+
InfraGard is a partnership between the Federal Bureau of Investigation (FBI) and members of the private sector for the protection of U.S. Critical Infrastructure. Through seamless collaboration, InfraGard connects owners and operators within critical infrastructure to the FBI, to provide education, information sharing, networking, and workshops on emerging technologies and threats.
24. MTAR Technologies Limited
- Website: mtar.in
- Headquarters: Hyderabad, Telangana, India
- Founded: 1970
- Headcount: 1001-5000
- Latest funding type: Ipo
MTAR is a leading engineering company with expertise in multiple business segments including Civilian Nuclear Power, Space, Defence & Aerospace, Clean Energy, and Marine. They offer specialized services such as advanced machining, fabrication, assembly and testing, and surface treatment. With exceptional engineering capabilities, they cater to a wide range of clients and have a strong focus on manufacturing precision components and assemblies for various industries. Their contributions to Indian nuclear power, space exploration, and defense sectors have been significant.
25. Cobham Mission Systems
- Website: cobhammissionsystems.com
- Headquarters: Davenport, Iowa, United States
- Headcount: 1001-5000
- Latest funding type: Acquired
Cobham Mission Systems is a company based in Wimborne, UK that offers a wide range of capabilities and products in the aerospace and defense industry. They specialize in air-to-air refueling, auxiliary mission equipment, composite pressure solutions, nitrogen inerting, oxygen systems, package testing, safety and survival, space life support systems, space propulsion systems, tactical control systems, thermal management, and weapons carriage and release.
26. LIG Nex1
- Website: lignex1.com
- Headquarters: Yongin-Si, Gyeonggi-Do, Korea (the Republic of)
- Founded: 1976
- Headcount: 1001-5000
- Latest funding type: Grant
LIG Nex1 is a company that offers advanced technology solutions for defense, aerospace, and information technology sectors. They specialize in developing and manufacturing cutting-edge systems, including missiles, communication systems, radars, and command & control systems.
27. Nimr
- Website: nimr.ae
- Headquarters: Ajban, Abu Dhabi, United Arab Emirates
- Founded: 2000
- Headcount: 501-1000
NIMR is a leading manufacturer of combat-proven light and medium-weight wheeled military vehicles with complete in-house design and production capability for a variety of platforms. They offer complete end-to-end solutions including mission system integration and through life support for both armoured and soft-skinned vehicle platforms.
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