Nuclear decommissioning is the intricate process of safely terminating nuclear facilities, ensuring they are rendered free from radioactive hazards. Companies in this field tackle decommissioning, waste management, and radiation safety, thus supporting energy transition and compliance with stringent regulations. In recent years, a surge in clean energy initiatives and aging nuclear infrastructure has intensified demand for these services. The future could see advanced technologies and strategies in decommissioning processes, as firms strive for efficiency and safety while managing environmental impacts associated with decades of nuclear legacy. This industry's evolution is crucial for secure energy practices.


This list features 27 prominent nuclear decommissioning companies from various countries. Ranging in size from small firms with under 50 employees to large corporations with thousands, these companies are headquartered in locations including France, the UK, and the USA. Since the early 20th century, many have been established, marking decades of specialized expertise. From engineering solutions to decommissioning planning, these companies emphasize safety and innovation as they respond to the growing need for effective nuclear waste management and facility decommissioning across the globe.


Continue reading to discover the top nuclear decommissioning companies.


Top 27 Nuclear Decommissioning Companies


1. Areva

  • Website: areva.com
  • Ownership type: Private
  • Headquarters: La Défense, Île-De-France, France
  • Employee distribution: Finland 55%, France 26%, Germany 9%, Other 10%
  • Founded year: 2001
  • Headcount: 10001+
  • LinkedIn: areva-co

Areva S.A., now operating under the name Orano, is a prominent nuclear energy company based in La Défense, Île-De-France, France. Founded in 2001, Areva specializes in the entire nuclear fuel cycle, which includes uranium mining, fuel fabrication, and waste management. The company provides a comprehensive range of services to businesses and organizations in the energy sector, focusing on engineering, maintenance, and recycling. Areva is particularly noted for its expertise in the decommissioning of nuclear facilities, having developed innovative solutions for the safe dismantling and remediation of nuclear sites. With a workforce that spans multiple countries, including Finland, France, and Germany, Areva is committed to sustainability and safety in nuclear operations, ensuring efficient and responsible management of nuclear materials and waste.


2. Cavendish Nuclear

  • Website: cavendishnuclear.com
  • Ownership type: Private
  • Headquarters: Birchwood, England, United Kingdom (UK)
  • Employee distribution: United Kingdom (UK) 100%
  • Founded year: 2000
  • Headcount: 5001-10000
  • LinkedIn: cavendish-nuclear

Cavendish Nuclear, founded in 2000 and based in Birchwood, England, is a prominent nuclear services provider. The company operates under the umbrella of Babcock International Group and focuses on engineering and consultancy within the Clean Energy, Defence, and Civil Decommissioning sectors. With a workforce of around 5,000 employees, Cavendish Nuclear plays a crucial role in managing complex nuclear operations and supporting critical infrastructure projects. Their services include engineering and safety consultancy, nuclear infrastructure design and build, and decommissioning and waste management. Notably, Cavendish Nuclear has been involved in significant decommissioning projects, such as the retrieval of waste from the UK's oldest waste store and the decommissioning of facilities at Dounreay and Magnox sites. Their commitment to safety and environmental responsibility is evident in their operations, which aim to clean up the nuclear legacy while contributing to the UK's energy security and net zero commitments.


3. Nuvia

  • Website: nuvia.com
  • Ownership type: Private
  • Headquarters: Rueil-Malmaison, Île-De-France, France
  • Employee distribution: France 64%, United Kingdom (UK) 23%, Czech Republic 5%, Other 8%
  • Founded year: 2007
  • Headcount: 1001-5000
  • LinkedIn: nuviagroup

Nuvia Group, founded in 2007 and based in Rueil-Malmaison, France, is an engineering firm that specializes in nuclear technology and safety services. As a subsidiary of Vinci Construction Group, Nuvia operates globally, providing innovative solutions across various sectors, including nuclear, healthcare, and defense. The company is involved in all stages of facility life cycles, from design and construction to operation, maintenance, and crucially, decommissioning and waste management. Nuvia's expertise is recognized by major players in the nuclear industry, and they have a solid track record of handling complex projects in heavily regulated environments. With a workforce of over 2,000 employees, Nuvia supports a wide array of projects, ensuring compliance with stringent safety standards and regulations. Their focus on health physics, safety measurement, and risk management further underscores their commitment to excellence in nuclear operations.


4. GDES | Grupo Dominguis Energy Services

  • Website: gdes.com
  • Ownership type: Family Owned
  • Headquarters: Paterna, Valencian Community, Spain
  • Employee distribution: Spain 71%, France 14%, United States (USA) 10%, Other 4%
  • Founded year: 1932
  • Headcount: 1001-5000
  • LinkedIn: gdes-grupo-dominguis-energy-services

GDES | Grupo Dominguis Energy Services, founded in 1932 and based in Paterna, Spain, is a family-owned company specializing in nuclear decommissioning. With a workforce of over 1,000 employees, GDES has established itself as a key player in the nuclear sector, providing technical advice and operational support to clients involved in decommissioning projects. The company has over 45 years of experience in the nuclear industry, focusing on enhancing safety and sustainability. GDES has been involved in significant decommissioning projects across the UK, including sites like Sellafield and Dounreay, showcasing their operational capabilities and commitment to the nuclear sector. Their emphasis on innovation and continuous improvement in engineering services further solidifies their position in the industry.


5. NUKEM Technologies Engineering Services GmbH


NUKEM Technologies Engineering Services GmbH, based in Karlstein Am Main, Bavaria, Germany, is a nuclear engineering firm founded in 1960. The company has carved out a niche in the nuclear sector, specializing in waste management and consulting services. NUKEM provides tailored solutions for the management of radioactive and special waste, as well as the decommissioning of nuclear facilities. Their portfolio includes engineering services that ensure safety and compliance in waste handling and facility operations. With a workforce of approximately 92 employees, NUKEM serves a variety of clients in the nuclear industry, leveraging their extensive technical and regulatory knowledge. The company has been involved in significant projects, including waste treatment centers and decommissioning initiatives, showcasing their capability and commitment to environmental safety. NUKEM's mission emphasizes innovation and excellence, aiming to provide effective solutions that address the complexities of nuclear waste management and decommissioning.


6. Shepley Engineers


Shepley Engineers, founded in 1948, is an engineering firm based in Whitehaven, England, specializing in nuclear engineering and related services. With a workforce of around 500 employees, the company has built a strong foundation in the nuclear sector, focusing on decontamination, decommissioning, and restoration services. Over the past 25 years, Shepley has been involved in numerous projects, delivering over 160 decontamination and technical projects both in the UK and internationally. They are recognized as the longest-serving continuous contractor at Sellafield, a key nuclear site in the UK. Their expertise extends to mechanical and electrical construction, dismantling, and decommissioning services, which they provide with a highly skilled workforce. Shepley Engineers is also part of several collaborative partnerships, enhancing their service offerings and project delivery capabilities in the nuclear decommissioning space.


7. Safetec GmbH


Safetec GmbH, based in Heidelberg, Baden-Württemberg, Germany, is a consulting firm founded in 1993. The company specializes in radiation protection and nuclear decommissioning, offering a range of services that include nuclear consultancy, project management, and the safe disposal of radioactive waste. With a workforce of approximately 167 employees, Safetec serves clients primarily from the energy sector and organizations engaged in nuclear technology. Their expertise is critical for ensuring compliance with safety regulations and managing the complexities associated with nuclear operations. Safetec's services extend to the careful dismantling of nuclear facilities, waste management, and the development of documentation for interim and final storage solutions. Their commitment to safety, environmental protection, and innovation underscores their role as a significant player in the nuclear decommissioning industry.


8. Navarro Research and Engineering

  • Website: navarro-inc.com
  • Ownership type: Corporate
  • Headquarters: Oak Ridge, Tennessee, United States (USA)
  • Employee distribution: United States (USA) 97%, Puerto Rico 3%
  • Latest funding: $258.0M, February 2006
  • Founded year: 1993
  • Headcount: 201-500
  • LinkedIn: navarro-research-and-engineering

Navarro Research and Engineering, Inc. is a service-oriented company based in Oak Ridge, Tennessee, founded in 1993. With a workforce of over 500 employees, Navarro specializes in environmental, nuclear, and clean energy solutions. The company provides a wide array of services to federal agencies, including environmental cleanup, regulatory compliance, and technical support. Their expertise extends to nuclear operations, where they handle tasks such as facility operations, maintenance, and radiological engineering. Navarro has been involved in notable projects like the Idaho Cleanup Project and the Nevada National Security Site Environmental Services Program, showcasing their commitment to addressing complex challenges in the nuclear sector. Their focus on safety and quality has earned them a reputation as a reliable contractor in the industry.


9. Spie Sat

  • Website: spie-sat.de
  • Ownership type: Family Owned
  • Headquarters: Worms, Rhineland-Palatinate, Germany
  • Employee distribution: Germany 72%, Italy 28%
  • Founded year: 2002
  • Headcount: 51-200
  • LinkedIn: sat.kerntechnikgmbh

Spie Sat, officially known as SAT Kerntechnik GmbH, is a family-owned company based in Worms, Germany, established in 2002. With a workforce of approximately 51-200 employees, the company specializes in nuclear technology services. Their core offerings include waste management, decontamination, engineering solutions, and the decommissioning of nuclear facilities. Spie Sat is committed to environmental protection and adheres to stringent safety regulations, ensuring compliance with industry standards. The company serves a variety of clients, including industrial sectors, research institutions, and organizations in the medical and chemical fields. Their operations extend beyond Germany, with a notable presence in Italy and partnerships across Europe, enhancing their capability to manage complex decommissioning projects. Spie Sat's focus on safety and environmental responsibility positions them as a competent player in the nuclear decommissioning industry.


10. Belgoprocess

  • Website: belgoprocess.be
  • Ownership type: Private
  • Headquarters: Dessel, Flanders, Belgium
  • Employee distribution: Belgium 100%
  • Founded year: 1984
  • Headcount: 201-500
  • LinkedIn: belgoprocess

Belgoprocess, established in 1984 and based in Dessel, Belgium, is a private company dedicated to nuclear waste management. With a workforce of approximately 247 employees, Belgoprocess specializes in the processing, conditioning, and storage of radioactive waste. The company also focuses on the dismantling of decommissioned nuclear installations, making it a key player in the nuclear decommissioning sector. Belgoprocess operates under the auspices of NIRAS, the National Agency for Radioactive Waste and Enriched Fissile Materials, which underscores its commitment to safe and responsible waste management. The company has developed significant expertise over its decades of operation, contributing to both national and international projects. Their activities include the treatment of various types of radioactive waste, ensuring that materials are safely processed and stored. Belgoprocess is also involved in commercial services, extending its knowledge and capabilities to clients beyond Belgium, thereby enhancing its international presence in the nuclear industry.


11. React Engineering Limited


React Engineering Limited, founded in 1994 and based in Cleator Moor, England, is a private company specializing in decommissioning services, particularly in the nuclear sector. The firm offers engineering consultancy and project management to organizations that need to safely dismantle and manage aging industrial assets. With a strong emphasis on delivering sustainable and responsible solutions, React Engineering has developed expertise in navigating the complexities of decommissioning hazardous and highly regulated sites. Their experience in the nuclear sector positions them as a knowledgeable player in the industry, capable of addressing the unique challenges associated with decommissioning nuclear facilities. The company operates entirely within the UK, ensuring a focused approach to local decommissioning projects.


12. HukariAscendent

  • Website: hukari.com
  • Ownership type: Private
  • Headquarters: Wheat Ridge, Colorado, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1999
  • Headcount: 51-200
  • LinkedIn: hukari-technical-services-inc.

HukariAscendent, founded in 1999 and based in Wheat Ridge, Colorado, is a private consulting firm that specializes in engineering and technical services for the nuclear industry and power generation facilities. The company offers a wide array of services, including nuclear safety analysis, environmental management, and project management. Notably, they provide deactivation, decontamination, and decommissioning (D&D) services, which are critical in the nuclear sector. HukariAscendent has built a reputation for delivering high-quality support to both government and commercial clients, particularly through their work with the Department of Energy. Their team consists of seasoned professionals known for their expertise in nuclear safety and environmental operations, making them a reliable partner in the nuclear decommissioning process. With multiple satellite offices across the United States, they maintain a strong presence in key locations relevant to nuclear operations.


13. KTE Kerntechnische Entsorgung Karlsruhe


KTE Kerntechnische Entsorgung Karlsruhe GmbH, established in 2017, is a private company based in Eggenstein-Leopoldshafen, Germany. It specializes in nuclear waste management and decommissioning services, primarily serving governmental bodies and research institutions. KTE is tasked with the dismantling of decommissioned nuclear facilities at the Karlsruhe Institute of Technology (KIT) Campus Nord. The company handles all aspects of radioactive waste disposal, ensuring that waste is processed into forms suitable for long-term storage. KTE operates Germany's largest interim storage facility for low- and intermediate-level radioactive waste, demonstrating its significant role in the nuclear decommissioning sector. The company employs around 700 staff and is committed to high standards of safety, environmental protection, and quality in its operations.


14. NSG Environmental Ltd

  • Website: nsgltd.com
  • Ownership type: Private
  • Headquarters: Chorley, England, United Kingdom (UK)
  • Employee distribution: United Kingdom (UK) 99%, Other 1%
  • Founded year: 1982
  • Headcount: 201-500
  • LinkedIn: nsg-environmental-ltd

NSG Environmental Ltd, based in Chorley, England, has been a key player in the nuclear industry since its founding in 1982. The company operates as an engineering consultancy, providing a wide array of services that include waste management, decommissioning planning, and technical consultancy. With a workforce of approximately 283 employees, NSG has built a reputation for addressing the intricate challenges associated with nuclear waste management. Their client portfolio includes notable organizations such as Sellafield and the Nuclear Decommissioning Authority, highlighting their involvement in significant nuclear projects. NSG's focus on safety and sustainability is evident in their operational practices, ensuring that they deliver effective and responsible solutions throughout the nuclear project lifecycle.


15. Kraftanlagen Heidelberg

  • Website: ka-heidelberg.de
  • Ownership type: Private
  • Headquarters: Heidelberg, Baden-Württemberg, Germany
  • Employee distribution: Germany 93%, Switzerland 7%
  • Founded year: 1923
  • Headcount: 201-500
  • LinkedIn: kraftanlagen-heidelberg

Kraftanlagen Heidelberg GmbH, founded in 1923 and based in Heidelberg, Germany, is a private company that specializes in nuclear technology services. The firm offers a wide range of solutions for the lifecycle of nuclear facilities, including planning, installation, maintenance, and notably, decommissioning. Their clientele includes operators of nuclear power plants and research institutions, who depend on their expertise for the safe and efficient management of nuclear technology. Kraftanlagen Heidelberg has a strong presence in the German nuclear industry, particularly in the decommissioning phase, where they provide services related to the shutdown and dismantling of nuclear facilities. They are also involved in the planning and delivery of systems for the treatment, conditioning, and disposal of radioactive waste. Their experience extends to significant European projects, including collaborations with CERN and ITER, showcasing their capability in handling complex nuclear challenges. The company operates primarily in Germany, with a small presence in Switzerland, and is recognized for its commitment to quality and safety in nuclear operations.


16. Holtec International

  • Website: holtecinternational.com
  • Ownership type: Private
  • Headquarters: Jupiter, Florida, United States (USA)
  • Employee distribution: United States (USA) 88%, India 7%, Other 5%
  • Latest funding: Other (Debt), $1.5B, March 2024
  • Founded year: 1986
  • Headcount: 501-1000
  • LinkedIn: holtec-international

Holtec International, founded in 1986 and based in Jupiter, Florida, is a technology company that specializes in the energy sector, particularly nuclear power. With a workforce of approximately 1,157 employees, Holtec provides a wide array of products and services, including spent nuclear fuel management, decommissioning, and heat transfer equipment. The company serves nuclear power plants and energy companies, leveraging its expertise to ensure safe and efficient operations. Holtec's subsidiary, Holtec Decommissioning International (HDI), is dedicated to the decommissioning of shuttered nuclear power plants, focusing on safety and efficiency. HDI is currently managing the decommissioning of several significant sites, demonstrating Holtec's active role in the nuclear decommissioning industry. Recently, Holtec secured $1.52 billion in funding, indicating strong financial backing for its operations and projects.


17. Radiation Safety & Control Services, Inc (RSCS)


Radiation Safety & Control Services, Inc. (RSCS), based in Seabrook, New Hampshire, is a consulting firm that specializes in radiation safety and control. Founded in 1989, RSCS has built a reputation for providing a wide range of services, including project management, decommissioning, and environmental engineering. The company serves various clients, including governmental agencies, industrial facilities, and medical centers, ensuring compliance with regulatory standards while offering effective solutions for managing radioactive materials. With a team that boasts over 500 years of combined experience, RSCS has been involved in numerous decommissioning projects, from large nuclear power plants to smaller research and medical facilities. Their expertise includes decommissioning cost estimation, plant dismantlement planning, and final status survey design. RSCS is also recognized for its innovative approaches to contamination control and has developed strong relationships with regulatory bodies, enhancing their credibility in the industry.


18. VNS Federal Services

  • Website: vnsfederalservices.com
  • Ownership type: Private
  • Headquarters: Richland, Washington, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2017
  • Headcount: 501-1000
  • LinkedIn: vnsfederalservicesllc

VNS Federal Services, a subsidiary of Veolia Nuclear Solutions, operates out of Richland, Washington, and specializes in nuclear cleanup and waste management services. Founded in 2017, the company has quickly established itself as a key player in the nuclear decommissioning sector. VNSFS provides a range of services including engineering solutions, environmental remediation, and advanced waste treatment technologies. They are particularly known for their work with the U.S. Department of Energy and the Department of Defense, tackling some of the most challenging nuclear cleanup projects across the United States. Their innovative GeoMelt technology is a notable aspect of their operations, allowing for the effective treatment of radioactive waste. With a workforce of around 500 to 1,000 employees, VNSFS is equipped to manage complex projects that require specialized knowledge and expertise in high-hazard environments.


19. NucAdvisor

  • Website: nucadvisor.com
  • Ownership type: Private
  • Headquarters: Savigné-L'Évêque, Pays De La Loire, France
  • Employee distribution: France 84%, Bolivia 8%, United States (USA) 8%
  • Founded year: 2009
  • Headcount: 11-50
  • LinkedIn: nucadvisor

NucAdvisor is a nuclear consulting company based in Savigné-L'Évêque, France, founded in 2009. The firm was established by a group of senior executives and experts from the European nuclear industry. NucAdvisor specializes in providing advisory services, technical assistance, project management, and financial expertise across the nuclear sector. Their expertise covers various areas, including nuclear market analysis, safety regulations, and waste management. Notably, they have a dedicated focus on decommissioning and waste management, helping clients navigate the complexities of dismantling nuclear facilities. NucAdvisor has also expanded its services through the acquisition of MEDraysintell, enhancing their capabilities in nuclear medicine consulting. The company operates independently from nuclear vendors and government entities, ensuring impartiality in their consulting services. With a team of experienced professionals, NucAdvisor supports clients worldwide, including those involved in decommissioning projects and waste management challenges.


20. Babcock Services, Inc

  • Website: babcockservices.com
  • Ownership type: Private
  • Headquarters: Kennewick, Washington, United States (USA)
  • Employee distribution: United States (USA) 77%, Canada 12%, United Kingdom (UK) 12%
  • Founded year: 2000
  • Headcount: 51-200
  • LinkedIn: babcock-services-inc

Babcock Services, Inc. (BSI), founded in 2000 and based in Kennewick, Washington, is a professional services firm dedicated to the nuclear industry. The company provides a range of services including project management, engineering, and environmental remediation. BSI has built a reputation for delivering high-quality support to clients such as the U.S. Department of Energy and various power generation facilities. Their team consists of experienced professionals, including project managers, engineers, and technicians, who specialize in areas like facility operations, radiation protection, and waste disposition. Notably, BSI has participated in numerous decommissioning projects, implementing protocols like the Multi-Agency Radiation Survey and Site Investigation Manual (MARSSIM). Their involvement spans across the U.S., Canada, and the U.K., showcasing their capability to handle complex decommissioning tasks while ensuring safety and compliance. BSI's commitment to quality and performance is evident in their successful execution of remediation and site closure activities at several NRC-regulated commercial power reactors.


21. Gdes Revanti Battaglino


Gdes Revanti Battaglino, based in Voreppe, Auvergne-Rhône-Alpes, France, is a private company specializing in nuclear decommissioning. Founded in 1952, the firm has built a reputation for providing specialized services that include decommissioning, operational support, and surface treatments. They cater to clients across the nuclear, industrial, and wind energy sectors, tackling complex challenges related to safety, compliance, and project management. With over 45 years of experience in the nuclear sector, Gdes Revanti Battaglino has been involved in significant projects, including decommissioning efforts at major nuclear sites. Their commitment to innovation and efficiency is evident in their approach to enhancing safety and sustainability through engineering services. The company is actively engaged in the nuclear decommissioning industry, making it a relevant player in this field.


22. PreussenElektra

  • Website: preussenelektra.de
  • Ownership type: Private
  • Headquarters: Hanover, Lower Saxony, Germany
  • Employee distribution: Germany 100%
  • Founded year: 1927
  • Headcount: 1001-5000
  • LinkedIn: preussenelektra

PreussenElektra GmbH, based in Hanover, Lower Saxony, Germany, is a private nuclear power operator founded in 1927. The company specializes in the production of energy through nuclear power and plays a crucial role in the decommissioning of nuclear power plants across Germany. PreussenElektra is dedicated to managing nuclear energy and radioactive waste, ensuring that all operations comply with stringent safety regulations. Their activities include the dismantling of decommissioned plants, as evidenced by their recent projects, such as the demolition of cooling towers at the Kernkraftwerk Grafenrheinfeld and the removal of radioactive waste from various facilities. With a workforce of over 300 employees, PreussenElektra is actively engaged in ensuring reliable energy solutions while addressing the complexities of nuclear decommissioning.


23. Enconet d.o.o.

  • Website: enconet.hr
  • Ownership type: Private
  • Headquarters: Zagreb, Zagreb, Croatia
  • Employee distribution: Croatia 100%
  • Founded year: 1991
  • Headcount: 11-50
  • LinkedIn: enconet-d.o.o.

Enconet d.o.o., founded in 1991 and based in Zagreb, Croatia, is a private consulting and engineering company that specializes in the nuclear energy sector. With a team of highly qualified professionals, including individuals with advanced degrees, Enconet offers a range of services tailored to the nuclear industry. Their expertise includes engineering support, safety assessments of nuclear facilities, and comprehensive radioactive waste management solutions. Notably, they are involved in the decommissioning of radiological and nuclear facilities, ensuring that these processes are conducted safely and in compliance with regulatory standards. Enconet also provides training and education to enhance the capabilities of organizations operating within the nuclear sector, further solidifying their role as a key player in the industry.


24. Galson Sciences Limited

  • Website: galson-sciences.co.uk
  • Ownership type: Corporate
  • Headquarters: Oakham, England, United Kingdom (UK)
  • Employee distribution: United Kingdom (UK) 86%, France 7%, Angola 7%
  • Latest funding: March 2021
  • Founded year: 1992
  • Headcount: 11-50
  • LinkedIn: galson-sciences-limited

Galson Sciences Limited (GSL), founded in 1992 and based in Oakham, England, is a consultancy and research company that specializes in nuclear decommissioning and radioactive waste management. With a team of around 30 employees, GSL provides expert services to clients in the nuclear sector, focusing on critical areas such as environmental risk assessments, safety studies, and stakeholder engagement. The company has developed a strong track record in various aspects of radioactive waste management, including strategic analysis, inventory audits, and disposability assessments. GSL is also involved in criticality safety studies and has contributed to the development of Environmental Safety Cases to support decommissioning and licensing of radioactive waste disposal facilities. Their collaboration with organizations in the UK and internationally highlights their commitment to addressing complex challenges in nuclear waste management. GSL joined the Egis group in 2021, enhancing their capabilities and expanding their reach in the nuclear engineering field.


25. Laurentis Energy Partners


Laurentis Energy Partners, based in Toronto, Ontario, is a private nuclear energy company founded in 2012. With a workforce of around 160 employees, the firm specializes in isotope production, nuclear lifecycle services, and engineering solutions for new nuclear projects. They cater to utilities and industrial clients, providing support for the development and maintenance of nuclear facilities. Laurentis is recognized for its innovative approaches, particularly in isotope production, where they have developed advanced techniques to produce critical isotopes. Their services span the entire lifecycle of nuclear reactors, including inspections, maintenance, refurbishment, and decommissioning. This positions them as a significant player in the nuclear industry, particularly in supporting the transition to cleaner energy solutions. Laurentis is also engaged in various projects, including collaborations for Small Modular Reactors (SMRs) and waste management initiatives, further showcasing their involvement in the nuclear sector.


26. Edgewater Technical Associates, LLC

  • Website: edgewatertech.net
  • Ownership type: Private
  • Headquarters: Oak Ridge, Tennessee, United States (USA)
  • Employee distribution: United States (USA) 98%, Other 2%
  • Founded year: 2003
  • Headcount: 201-500
  • LinkedIn: edgewater-technical-associates

Edgewater Technical Associates, LLC, founded in 2003 and based in Oak Ridge, Tennessee, is a professional services firm that specializes in nuclear and hazardous operations. The company provides a wide range of services, including engineering, environmental remediation, and operational readiness support. They serve a variety of clients, notably the U.S. Department of Energy, as well as commercial nuclear industries in the U.S., U.K., and Canada. Edgewater has built a reputation for its commitment to safety and regulatory compliance, which is crucial in high-hazard environments. With a team of over 400 skilled professionals, many of whom have decades of experience in nuclear operations, Edgewater is well-equipped to handle complex projects. Their involvement in decommissioning and closure activities further solidifies their position in the nuclear sector, as they provide critical support in managing the safe and compliant dismantling of nuclear facilities.


27. Safetec GmbH


Safetec GmbH, based in Heidelberg, Baden-Württemberg, Germany, is a private consulting firm founded in 1993. The company specializes in radiation protection and nuclear decommissioning, offering a comprehensive range of services that include project management, waste disposal, and safety compliance. With a workforce of around 108 employees, Safetec has built a strong presence in the nuclear sector, primarily serving energy providers. Their commitment to safety and regulatory compliance is evident in their operational practices, which are supported by over 30 years of industry experience. Safetec also emphasizes innovation and research, continuously adapting to meet the evolving demands of nuclear decommissioning and waste management. They are certified under ISO 9001 and ISO 14001 standards, reflecting their dedication to quality and environmental management.



Nuclear Decommissioning Insights: Key Companies


CompanyHeadquarterSizeFoundedOwnership
ArevaLa Défense, Île-De-France, France10001+2001Private
Cavendish NuclearBirchwood, England, United Kingdom (UK)5001-100002000Private
NuviaRueil-Malmaison, Île-De-France, France1001-50002007Private
GDES | Grupo Dominguis Energy ServicesPaterna, Valencian Community, Spain1001-50001932Family Owned
NUKEM Technologies Engineering Services GmbHKarlstein Am Main, Bavaria, Germany51-2001960Corporate
Shepley EngineersWhitehaven, England, United Kingdom (UK)501-10001948Private
Safetec GmbHHeidelberg, Baden-Württemberg, Germany501-10001993Private
Navarro Research and EngineeringOak Ridge, Tennessee, United States (USA)201-5001993Corporate
Spie SatWorms, Rhineland-Palatinate, Germany51-2002002Family Owned
BelgoprocessDessel, Flanders, Belgium201-5001984Private
React Engineering LimitedCleator Moor, England, United Kingdom (UK)11-501994Private
HukariAscendentWheat Ridge, Colorado, United States (USA)51-2001999Private
KTE Kerntechnische Entsorgung KarlsruheEggenstein-Leopoldshafen, Baden-Württemberg, Germany501-10002017Private
NSG Environmental LtdChorley, England, United Kingdom (UK)201-5001982Private
Kraftanlagen HeidelbergHeidelberg, Baden-Württemberg, Germany201-5001923Private
Holtec InternationalJupiter, Florida, United States (USA)501-10001986Private
Radiation Safety & Control Services, Inc (RSCS)Seabrook, New Hampshire, United States (USA)201-5001989Corporate
VNS Federal ServicesRichland, Washington, United States (USA)501-10002017Private
NucAdvisorSavigné-L'Évêque, Pays De La Loire, France11-502009Private
Babcock Services, IncKennewick, Washington, United States (USA)51-2002000Private
Gdes Revanti BattaglinoVoreppe, Auvergne-Rhône-Alpes, France51-2001952Private
PreussenElektraHanover, Lower Saxony, Germany1001-50001927Private
Enconet d.o.o.Zagreb, Zagreb, Croatia11-501991Private
Galson Sciences LimitedOakham, England, United Kingdom (UK)11-501992Corporate
Laurentis Energy PartnersToronto, Ontario, Canada201-5002012Private
Edgewater Technical Associates, LLCOak Ridge, Tennessee, United States (USA)201-5002003Private
Safetec GmbHHeidelberg, Baden-Württemberg, Germany501-10001993Private


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