slug,name,legal_name,aliases,website,description,hq_city,hq_state,country_code,founded_year,status,buckets,roles,technologies,checked_on,url
3m-company,3M,,"",,,,,US,,active,"","","",2026-10-16,https://nuclear-directory.org/companies/3m-company
adp-cr3,ADP-CR3,,"",,NRC-licensed operator responsible for decommissioning Crystal River 3.,,,US,,active,waste-decommissioning,waste_decommissioning,"",2026-10-20,https://nuclear-directory.org/companies/adp-cr3
advanced-conductor-technologies,Advanced Conductor Technologies,,"",,,,,US,,active,components,components,"",2026-10-17,https://nuclear-directory.org/companies/advanced-conductor-technologies
advanced-reactor-concepts,Advanced Reactor Concepts,,ARC Clean Technology,https://www.arc-cleantech.com/,"Develops the ARC-100, a sodium-cooled fast small modular reactor.",Washington,DC,US,,active,reactor-developers,reactor_vendor,"",2026-10-16,https://nuclear-directory.org/companies/advanced-reactor-concepts
alabama-power,Alabama Power,,"",https://www.alabamapower.com,"Electric utility in Alabama, part of Southern Company, that owns Plant Farley.",,,US,,active,utilities,utility,"",2026-10-12,https://nuclear-directory.org/companies/alabama-power
allegheny-electric-cooperative,Allegheny Electric Cooperative,"Allegheny Electric Cooperative, Inc.",Allegheny Electric,https://prea.com,,Harrisburg,PA,US,,active,utilities,utility,fission,2026-10-11,https://nuclear-directory.org/companies/allegheny-electric-cooperative
allied-power,Allied Power,,"",https://alliedpwr.com,"Company that provides maintenance, modification and project services to power plants, including nuclear plants.",Baton Rouge,LA,US,,active,services,reactor_services,"",2026-10-10,https://nuclear-directory.org/companies/allied-power
amazon,Amazon,"Amazon.com, Inc.","AWS; Amazon Climate Pledge Fund; Amazon Web Services; Amazon.com, Inc.",https://www.aboutamazon.com,"Company offering online shopping, cloud computing, streaming, devices, advertising and AI services.",,,US,,active,power-buyers; investors,data_center_offtaker,smr,2026-10-10,https://nuclear-directory.org/companies/amazon
ameren-ue,Ameren UE,,Union Electric Co - (MO),,,,,US,,active,utilities,operator,"",2026-10-12,https://nuclear-directory.org/companies/ameren-ue
ampeers,Ampeers,,"",https://www.ampeers.com/,Makes superconducting wire for fusion magnets and power systems.,,,US,,active,components,components,"",2026-10-16,https://nuclear-directory.org/companies/ampeers
analysis-and-measurement-services,Analysis and Measurement Services,,AMS Corporation,https://www.ams-corp.com/,Nuclear engineering consultancy that tests instrumentation and control systems at nuclear facilities.,,,US,,active,services,reactor_services,"",2026-10-16,https://nuclear-directory.org/companies/analysis-and-measurement-services
aqwest,Aqwest,,"",https://www.aqwest.com/,"Develops photonics, thermal management and energy-efficiency products.",,,US,,active,components,components,"",2026-10-16,https://nuclear-directory.org/companies/aqwest
ares-security,Ares Security,,"",,,,,US,,active,"","","",2026-10-24,https://nuclear-directory.org/companies/ares-security
argonne-national-laboratory,Argonne National Laboratory,,ANL,,,,,US,,active,fuel; government-research,isotopes; national_lab,"",2026-10-21,https://nuclear-directory.org/companies/argonne-national-laboratory
arizona-public-service-co,Arizona Public Service Co.,,"",,,,,US,,active,utilities,operator,"",2026-10-12,https://nuclear-directory.org/companies/arizona-public-service-co
asp-isotopes,ASP Isotopes,,ASPI; QLE; Quantum Leap Energy,https://www.aspisotopes.com,Isotope enrichment company developing nuclear fuel enrichment through Quantum Leap Energy.,,,,,active,fuel,enrichment; isotopes,"",2026-10-19,https://nuclear-directory.org/companies/asp-isotopes
babcock-wilcox,Babcock & Wilcox,,"",,,,,US,,active,"","","",2026-10-24,https://nuclear-directory.org/companies/babcock-wilcox
bernhard-capital-partners,Bernhard Capital Partners,,"",https://www.bernhardcapital.com,"Private equity firm, founded in 2013, that invests in services and infrastructure businesses.",Baton Rouge,LA,,,active,investors,venture_capital,"",2026-10-10,https://nuclear-directory.org/companies/bernhard-capital-partners
blue-energy,Blue Energy,,"",https://www.blueenergy.co,Company that designs nuclear plants to be prefabricated in factories and assembled on site.,,,,,active,reactor-developers,project_developer,"",2026-10-16,https://nuclear-directory.org/companies/blue-energy
blue-wave-capital-and-consulting,Blue Wave Capital and Consulting,,Blue Wave AI Labs,https://bluewaveailabs.com/,Makes AI software that helps nuclear plants cut fuel and maintenance costs.,,,US,,active,services,reactor_services,"",2026-10-16,https://nuclear-directory.org/companies/blue-wave-capital-and-consulting
breakthrough-energy-ventures,Breakthrough Energy Ventures,,BEV,https://www.breakthroughenergy.org,Investment arm of Breakthrough Energy that backs clean energy technology companies.,,,US,,active,investors,venture_capital,fusion,2026-10-10,https://nuclear-directory.org/companies/breakthrough-energy-ventures
bridge12,Bridge12,,"BRIDGE 12 TECHNOLOGIES, INC.",https://www.bridge12.com/,"Develops high-power microwave, millimeter-wave and terahertz systems for fusion and spectroscopy.",,,US,,active,components,components,"",2026-10-16,https://nuclear-directory.org/companies/bridge12
brookhaven-national-laboratory,Brookhaven National Laboratory,,BNL,https://www.bnl.gov,National laboratory working on scientific discovery and technological innovation.,,,US,,active,fuel; government-research,isotopes; national_lab,"",2026-10-21,https://nuclear-directory.org/companies/brookhaven-national-laboratory
brookhaven-technology-group,Brookhaven Technology Group,,"",https://brookhaventech.com/,"Develops superconducting cables, including for compact fusion reactors.",,,US,,active,components,components,"",2026-10-16,https://nuclear-directory.org/companies/brookhaven-technology-group
bwxt,BWXT,,"BWXT NOG Technologies; BWXT NUCLEAR ENERGY, INC.; BWXT NUCLEAR OPERATIONS GROUP, INC.",https://www.bwxt.com/,"Makes naval nuclear reactors and components, as it has since the 1950s, and nuclear fuel.",,,US,,active,fuel; components,components; fabrication; fuel,"",2026-10-16,https://nuclear-directory.org/companies/bwxt
centrus-energy,Centrus Energy,Centrus Energy Corp.,"American Centrifuge Operating, LLC; Centrus",https://www.centrusenergy.com,Company that supplies enriched uranium fuel for nuclear power plants and is expanding HALEU production.,Bethesda,MD,US,,active,fuel,enrichment; fuel,fission,2026-10-10,https://nuclear-directory.org/companies/centrus-energy
ceramic-tubular-products,Ceramic Tubular Products,,CTP,https://ctp-usa.com/,"Lynchburg, Virginia manufacturer of silicon carbide nuclear fuel rod cladding.",,,US,,active,components,components,"",2026-10-16,https://nuclear-directory.org/companies/ceramic-tubular-products
commonwealth-fusion-systems,Commonwealth Fusion Systems,,CFS,https://cfs.energy,Fusion company building the SPARC tokamak and planning the ARC fusion power plant.,Devens,MA,US,,active,reactor-developers,reactor_vendor,fusion,2026-10-10,https://nuclear-directory.org/companies/commonwealth-fusion-systems
constellation-energy,Constellation,Constellation Energy Corporation,"Constellation Energy Corporation; Constellation Energy Generation, LLC; Constellation Nuclear",https://www.constellationenergy.com,"Power producer with nuclear, gas, hydro, wind and solar plants; the largest nuclear energy company in the U.S.",Baltimore,MD,US,,active,utilities,operator; utility,fission,2026-10-10,https://nuclear-directory.org/companies/constellation-energy
container-technologies-industries,Container Technologies Industries,,CTI Fab,https://containertechnologies.com/,Metal fabricator making nuclear-quality containers for DOE and the nuclear industry.,,,US,,active,components,components,"",2026-10-16,https://nuclear-directory.org/companies/container-technologies-industries
converdyn,ConverDyn,,"ConverDyn, GP",https://www.converdyn.com,Company that supplies uranium hexafluoride (UF6) conversion services to nuclear power plants worldwide.,Greenwood Village,CO,US,,active,fuel,conversion; fuel,fission,2026-10-10,https://nuclear-directory.org/companies/converdyn
crow-butte-resources-inc,"Crow Butte Resources, Inc.",,"",,,,,US,,active,"","","",2026-10-20,https://nuclear-directory.org/companies/crow-butte-resources-inc
crusoe,Crusoe,,"",https://www.crusoe.ai,AI infrastructure company that builds AI data centers and runs an AI cloud.,,,,,active,power-buyers,data_center_offtaker,"",2026-10-16,https://nuclear-directory.org/companies/crusoe
curtiss-wright,Curtiss-Wright,Curtiss-Wright Corporation,"",https://www.curtisswright.com,"Maker of engineered products for aerospace and defense and for commercial nuclear power, including reactor coolant pumps and control rod drive mechanisms.",Davidson,NC,US,,active,components,components,fission,2026-10-20,https://nuclear-directory.org/companies/curtiss-wright
dalton-utilities,Dalton Utilities,,"",https://www.dutil.com,"Public utility, operating since 1889, providing water, electric, natural gas and wastewater services to the City of Dalton and nearby counties",,,US,,active,utilities,utility,fission,2026-10-11,https://nuclear-directory.org/companies/dalton-utilities
dominion-energy,Dominion Energy,,"Dominion Energy Nuclear Conn Inc; Dominion Energy South Carolina, Inc; Dominion Energy Virginia; Dominion Generation; Dominion Nuclear Connecticut; Virginia Electric & Power Co",https://www.dominionenergy.com,"Utility that provides regulated electricity service in Virginia, North Carolina and South Carolina.",Richmond,VA,US,,active,utilities,operator; utility,fission,2026-10-10,https://nuclear-directory.org/companies/dominion-energy
dte-electric-company,DTE Electric Company,,"",,,,,US,,active,utilities,operator,"",2026-10-12,https://nuclear-directory.org/companies/dte-electric-company
duke-energy,Duke Energy,,"Duke Energy Carolinas, LLC; Duke Energy Progress - (NC); Duke Energy Progress, LLC",,,,,US,,active,utilities,operator,"",2026-10-12,https://nuclear-directory.org/companies/duke-energy
duke-energy-florida,Duke Energy Florida,,"",,,,,US,,active,"","","",2026-10-20,https://nuclear-directory.org/companies/duke-energy-florida
electric-power-research-institute,Electric Power Research Institute,,EPRI,https://www.epri.com/,Non-profit energy research organization with a program for modernizing nuclear power plants.,,,US,,active,government-research,research_organization,"",2026-10-16,https://nuclear-directory.org/companies/electric-power-research-institute
elementl-power,Elementl Power,,Elementl,https://www.elementlpower.com,"Nuclear project developer that develops, finances and delivers new nuclear power projects, from siting and licensing through commercial operation.",,,,,active,reactor-developers,project_developer,"",2026-10-16,https://nuclear-directory.org/companies/elementl-power
enercon,ENERCON,,"Enercon Services, Inc.",https://www.enercon.com,"Engineering company that helps utilities, nuclear operators and developers with complex engineering challenges.",Kennesaw,GA,US,,active,services,regulatory_consultant,smr,2026-10-10,https://nuclear-directory.org/companies/enercon
energy-fuels,Energy Fuels,Energy Fuels Inc.,"",https://www.energyfuels.com,"Company that produces uranium for U.S. nuclear utilities, plus rare earth oxides and vanadium.",Denver,CO,US,,active,fuel,fuel; mining,"",2026-10-10,https://nuclear-directory.org/companies/energy-fuels
energy-harbor-nuclear-corp,Energy Harbor Nuclear Corp.,,ENERGY HARBOR CORP.; Energy Harbor Nuclear Generation LLC,,,,,US,,active,utilities,operator,"",2026-10-12,https://nuclear-directory.org/companies/energy-harbor-nuclear-corp
energy-northwest,Energy Northwest,,Energy Northwest- Columbia,https://www.energy-northwest.com,"Public power agency in Washington that generates electricity from nuclear, wind, hydro and solar projects.",Richland,WA,US,,active,utilities,operator; utility,smr,2026-10-10,https://nuclear-directory.org/companies/energy-northwest
eni,Eni,,"",,,,,,,active,power-buyers,"","",2026-10-24,https://nuclear-directory.org/companies/eni
ensco,ENSCO,,"",https://www.ensco.com/,"Engineering company in aerospace, national security, rail and cybersecurity; contracted by DOE to build and test a spent-fuel railcar prototype.",,,US,,active,components,components,"",2026-10-16,https://nuclear-directory.org/companies/ensco
entergy-nuclear-operations-inc,Entergy,"Entergy Nuclear Operations, Inc.","Entergy Arkansas LLC; Entergy Louisiana LLC; Entergy Nuclear Operations, Inc.; System Energy Resources, Inc",,,,,US,,active,utilities,operator,"",2026-10-12,https://nuclear-directory.org/companies/entergy-nuclear-operations-inc
entra1-energy,ENTRA1 Energy,,ENTRA1,https://entra1.com,"Energy production company deploying, financing and operating baseload power infrastructure across nuclear, natural gas and other sources.",Houston,TX,US,,active,reactor-developers,project_developer,smr,2026-10-16,https://nuclear-directory.org/companies/entra1-energy
equinix,Equinix,,"",https://www.equinix.com,Digital infrastructure company that runs a global network of data centers.,,,,,active,power-buyers,data_center_offtaker,fission; smr,2026-10-16,https://nuclear-directory.org/companies/equinix
faraday-technology,Faraday Technology,,"",,,,,US,,active,"","","",2026-10-24,https://nuclear-directory.org/companies/faraday-technology
firstenergy-nuclear-operating-co,FirstEnergy Nuclear Operating Co.,,"",,,,,US,,active,utilities,operator,"",2026-10-12,https://nuclear-directory.org/companies/firstenergy-nuclear-operating-co
florida-power-light-co,Florida Power & Light Co.,Florida Power & Light Company,FPL,https://www.fpl.com,"Electric utility serving about 12 million people across Florida, with a fleet that includes nuclear, natural gas, solar and battery storage.",,,US,,active,utilities,operator,"",2026-10-12,https://nuclear-directory.org/companies/florida-power-light-co
fpolisolutions,Fpolisolutions,,"",,,,,US,,active,"","","",2026-10-24,https://nuclear-directory.org/companies/fpolisolutions
framatome,Framatome,,"",https://www.framatome.com,"Company that designs and makes nuclear steam supply systems and supplies equipment, services and fuel to nuclear plants.",Courbevoie,,FR,,active,fuel; services,fabrication; reactor_services,fission,2026-10-10,https://nuclear-directory.org/companies/framatome
general-atomics,General Atomics,,"",,,,,US,,active,reactor-developers,reactor_vendor,"",2026-10-17,https://nuclear-directory.org/companies/general-atomics
general-matter,General Matter,,"",https://www.generalmatter.com,"Company building uranium enrichment in the United States, including HALEU for advanced reactors.",,,US,,active,fuel,enrichment; fuel,fission,2026-10-10,https://nuclear-directory.org/companies/general-matter
georgia-power,Georgia Power,,"",https://www.georgiapower.com,Electric utility serving about 2.8 million customers in Georgia; Plant Vogtle units 3 and 4 are its newest nuclear units.,,,US,,active,utilities,utility,fission,2026-10-10,https://nuclear-directory.org/companies/georgia-power
ge-vernova,GE Vernova,,GE VERNOVA OPERATIONS LLC; General Electric,https://www.gevernova.com,Energy equipment company making wind and gas turbines; its nuclear business designs reactors with Hitachi.,Cambridge,MA,US,,active,reactor-developers,reactor_vendor,fission; smr,2026-10-10,https://nuclear-directory.org/companies/ge-vernova
ge-vernova-hitachi-nuclear-energy,GE Vernova Hitachi Nuclear Energy,,GE Hitachi Nuclear Energy; GEH; GVH,https://www.gevernova.com/nuclear,Reactor developer behind the BWRX-300 small modular reactor that also provides nuclear fuel and services.,,,US,,active,reactor-developers; services,reactor_services; reactor_vendor,fission; smr,2026-10-10,https://nuclear-directory.org/companies/ge-vernova-hitachi-nuclear-energy
global-laser-enrichment,Global Laser Enrichment,,"",,,,,US,,active,fuel,enrichment,"",2026-10-17,https://nuclear-directory.org/companies/global-laser-enrichment
global-nuclear-fuel-americas,Global Nuclear Fuel–Americas,,GNF; GNF-A; Global Nuclear Fuel,https://www.gevernova.com/nuclear,"GE Vernova-led fuel company in Wilmington, North Carolina that makes boiling water reactor fuel.",Wilmington,NC,US,,active,fuel,fabrication; fuel,fission,2026-10-10,https://nuclear-directory.org/companies/global-nuclear-fuel-americas
good-energy-collective-incorporated,Good Energy Collective,,"",,,,,US,,active,government-research,research_organization,"",2026-10-16,https://nuclear-directory.org/companies/good-energy-collective-incorporated
google,Google,,"",https://www.google.com,Power buyer that agreed to buy power from multiple Kairos Power small modular reactors.,,,US,,active,power-buyers; investors,data_center_offtaker,fusion; smr,2026-10-10,https://nuclear-directory.org/companies/google
h3d,H3D,,"",,,,,US,,active,"","","",2026-10-24,https://nuclear-directory.org/companies/h3d
helion-energy,Helion Energy,,Helion,https://www.helionenergy.com,Fusion company building a fusion power plant to supply electricity to the grid.,Everett,WA,US,,active,reactor-developers,reactor_vendor,fusion,2026-10-10,https://nuclear-directory.org/companies/helion-energy
hitachi,Hitachi,,Kabushiki Kaisha Hitachi Seisakusho,https://www.hitachi.com,Japanese industrial company with a nuclear energy business that includes Fukushima recovery work and fusion research.,Tokyo,,JP,,active,"","",smr,2026-10-10,https://nuclear-directory.org/companies/hitachi
holtec-decommissioning-international,Holtec Decommissioning International,"Holtec Decommissioning International, LLC",HDI; Holtec Decommissioning International (HDI),https://hdi-decom.com,"Decommissioning company, a wholly owned subsidiary of Holtec International, for shut-down nuclear power plants.",,,,,active,waste-decommissioning,waste_decommissioning,"",2026-10-20,https://nuclear-directory.org/companies/holtec-decommissioning-international
holtec-international,Holtec International,,"Holtec; Holtec Government Services; Holtec Palisades, LLC; SMR, LLC",https://holtecinternational.com,"Company that makes spent fuel storage systems, develops small modular reactors and decommissions nuclear plants.",Camden,NJ,US,,active,reactor-developers; utilities,operator; project_developer; reactor_vendor,smr,2026-10-10,https://nuclear-directory.org/companies/holtec-international
idaho-national-laboratory,Idaho National Laboratory,,INL,https://inl.gov,DOE national laboratory in southeastern Idaho focused on nuclear energy research and development.,,ID,US,,active,fuel; government-research,isotopes; national_lab,fission,2026-10-10,https://nuclear-directory.org/companies/idaho-national-laboratory
illinoisrocstar,Illinoisrocstar,,"",,,,,US,,active,"","","",2026-10-24,https://nuclear-directory.org/companies/illinoisrocstar
indiana-michigan-power-co,Indiana/Michigan Power Co.,,"",,,,,US,,active,utilities,operator,"",2026-10-12,https://nuclear-directory.org/companies/indiana-michigan-power-co
international-isotopes-inc,International Isotopes Inc.,,"",,,,,US,,active,"","","",2026-10-26,https://nuclear-directory.org/companies/international-isotopes-inc
kairos-power,Kairos Power,,"",https://kairospower.com,"Reactor developer based in Alameda, with a manufacturing hub in Albuquerque and Hermes reactors under construction in Oak Ridge.",Alameda,CA,US,,active,reactor-developers; fuel,coolant; molten_salt; reactor_vendor,fission; smr,2026-10-10,https://nuclear-directory.org/companies/kairos-power
kewaunee-solutions-inc,"Kewaunee Solutions, Inc.",,"",,NRC approved the indirect transfer of the Kewaunee Power Station license to this company.,,,US,,active,"","","",2026-10-20,https://nuclear-directory.org/companies/kewaunee-solutions-inc
khosla-ventures,Khosla Ventures,,"",https://www.khoslaventures.com,"Venture capital firm that invests early, from pre-seed and seed to Series A.",Menlo Park,CA,US,,active,investors,venture_capital,"",2026-10-10,https://nuclear-directory.org/companies/khosla-ventures
last-energy,Last Energy,,"",https://www.lastenergy.com,"Developer of small modular nuclear power plants that it builds, owns and runs for customers.",,,,,active,reactor-developers,reactor_vendor,smr,2026-10-16,https://nuclear-directory.org/companies/last-energy
leidos-inc,Leidos,,"",,,,,US,,active,"","","",2026-10-16,https://nuclear-directory.org/companies/leidos-inc
lightspeed-venture-partners,Lightspeed Venture Partners,,Lightspeed,https://lsvp.com,Venture capital firm that invests from seed stage through later rounds.,,,US,,active,investors,venture_capital,"",2026-10-10,https://nuclear-directory.org/companies/lightspeed-venture-partners
long-mott-energy,Long Mott Energy,"Long Mott Energy, LLC",LME,,,,,US,,active,reactor-developers,project_developer,smr,2026-10-11,https://nuclear-directory.org/companies/long-mott-energy
los-alamos-national-laboratory,Los Alamos National Laboratory,,LANL,,,,,US,,active,fuel; government-research,isotopes; national_lab,"",2026-10-21,https://nuclear-directory.org/companies/los-alamos-national-laboratory
lowercarbon-capital,Lowercarbon Capital,,"",https://lowercarboncapital.com,Venture capital firm funding companies that cut or remove greenhouse gas emissions.,,,US,,active,investors,venture_capital,fusion,2026-10-10,https://nuclear-directory.org/companies/lowercarbon-capital
materials-modifications,Materials Modifications,,"",,,,,US,,active,"","","",2026-10-24,https://nuclear-directory.org/companies/materials-modifications
meag-power,MEAG Power,,"",https://www.meagpower.org,Wholesale electric power provider to 49 public power communities in Georgia,,,US,,active,utilities,utility,fission,2026-10-11,https://nuclear-directory.org/companies/meag-power
meta-platforms,Meta,"Meta Platforms, Inc.","Meta Platforms, Inc.",https://about.meta.com,"Technology company behind Facebook, Messenger, Instagram and WhatsApp.",,,US,,active,power-buyers; investors,data_center_offtaker,fission,2026-10-10,https://nuclear-directory.org/companies/meta-platforms
michigan-state-university,Michigan State University,,"",,,,,US,,active,government-research,university,"",2026-10-20,https://nuclear-directory.org/companies/michigan-state-university
microsoft,Microsoft,Microsoft Corporation,"",https://www.microsoft.com,Company that makes AI-powered platforms and tools.,Redmond,WA,US,,active,power-buyers,data_center_offtaker,fission; fusion,2026-10-10,https://nuclear-directory.org/companies/microsoft
nac-international,NAC International,,"",https://www.nacintl.com/,"Designs, licenses and supplies casks for storing and transporting spent nuclear fuel.",,,US,,active,waste-decommissioning,waste_decommissioning,"",2026-10-16,https://nuclear-directory.org/companies/nac-international
nasa,NASA,,National Aeronautics and Space Administration,https://www.nasa.gov,"Space agency building SR-1 Freedom, its first fission-powered spacecraft.",,,,,active,government-research,government_agency,fission,2026-10-26,https://nuclear-directory.org/companies/nasa
nebraska-public-power-district,Nebraska Public Power District,,"",,,,,US,,active,utilities,operator,"",2026-10-12,https://nuclear-directory.org/companies/nebraska-public-power-district
new-era-energy-digital,New Era Energy & Digital,,NUAI; New Era,https://newerainfra.ai,Developer of modular data centers backed by several energy sources.,,,US,,active,power-buyers,data_center_offtaker,smr,2026-10-16,https://nuclear-directory.org/companies/new-era-energy-digital
nextera-energy,NextEra Energy,,"NextEra Energy Duane Arnold, LLC; NextEra Energy Point Beach, LLC; NextEra Energy Seabrook, LLC",https://www.nexteraenergy.com,"Energy company building generation of all kinds, including nuclear.",,,US,,active,utilities,operator,"",2026-10-12,https://nuclear-directory.org/companies/nextera-energy
northern-states-power-company-minnesota,Northern States Power Company – Minnesota,,Northern States Power; Northern States Power Co - Minnesota,,,,,US,,active,utilities,operator,"",2026-10-12,https://nuclear-directory.org/companies/northern-states-power-company-minnesota
northstar-group-services,NorthStar Group Services,,"NorthStar; NorthStar Group Services, Inc. (NorthStar)",,Decommissioning company to which NRC approved the transfer of the Vermont Yankee license in October 2018.,,,,,active,waste-decommissioning,waste_decommissioning,"",2026-10-21,https://nuclear-directory.org/companies/northstar-group-services
northstar-vallecitos-llc-nsv,"NorthStar Vallecitos, LLC (NSV)",,"",,Licensee of the Vallecitos Experimental Superheat Reactor (EVESR) since the license was transferred to it in March 2025.,,,US,,active,waste-decommissioning,waste_decommissioning,"",2026-10-20,https://nuclear-directory.org/companies/northstar-vallecitos-llc-nsv
nuclear-capital-partners,Nuclear Capital Partners,,NCP,https://www.nuclearcp.com,"Investment firm focused on nuclear energy, from advanced reactors and fuel to supply chain.",,,,,active,investors,venture_capital,"",2026-10-16,https://nuclear-directory.org/companies/nuclear-capital-partners
nuclear-fuel-services,Nuclear Fuel Services,,NFS,,BWXT subsidiary that makes fuel material for U.S. Navy submarine and aircraft carrier reactors.,,,US,,active,fuel,fuel,"",2026-10-16,https://nuclear-directory.org/companies/nuclear-fuel-services
nufuels-inc,"NuFuels, Inc.",,"",,,,,US,,active,"","","",2026-10-20,https://nuclear-directory.org/companies/nufuels-inc
nuscale-power,NuScale Power,,NuScale,https://www.nuscalepower.com,Small modular reactor company whose NuScale Power Module was the first SMR design approved by the NRC.,Portland,OR,US,,active,reactor-developers,reactor_vendor,smr,2026-10-16,https://nuclear-directory.org/companies/nuscale-power
nusenics,Nusenics,,"",https://nusenics.com/,"Develops fiber-optic sensors for harsh environments, including fusion plasma diagnostics.",,,US,,active,components,components,"",2026-10-16,https://nuclear-directory.org/companies/nusenics
nuvision-engineering-inc,NuVision Engineering,,"",,,,,US,,active,"","","",2026-10-16,https://nuclear-directory.org/companies/nuvision-engineering-inc
oak-ridge-national-laboratory,Oak Ridge National Laboratory,,ORNL,https://www.ornl.gov,"DOE national laboratory in Oak Ridge, Tennessee; the largest science and energy lab in the DOE system.",Oak Ridge,TN,US,,active,fuel; government-research,isotopes; national_lab,fission,2026-10-10,https://nuclear-directory.org/companies/oak-ridge-national-laboratory
ocean-atomics,Ocean Atomics,,"",https://oceanatomics.com,"American company designing and assembling a standardized nuclear power plant for maritime use, built on water-cooled reactors.",,,US,,active,reactor-developers,reactor_vendor,fission,2026-10-20,https://nuclear-directory.org/companies/ocean-atomics
oglethorpe-power,Oglethorpe Power,,"",https://opc.com,Georgia electric power producer that generates power for the state's electric membership corporations (EMCs),,,US,,active,utilities,utility,fission,2026-10-11,https://nuclear-directory.org/companies/oglethorpe-power
oklo,Oklo,,"",https://www.oklo.com,Advanced nuclear company developing fast fission power plants.,Santa Clara,CA,US,,active,reactor-developers,reactor_vendor,fission,2026-10-16,https://nuclear-directory.org/companies/oklo
old-dominion-electric-cooperative,Old Dominion Electric Cooperative,,ODEC,https://www.odec.com,"Not-for-profit cooperative that buys, makes and moves power for 11 member distribution cooperatives across Virginia, Maryland and Delaware",,,US,,active,utilities,utility,fission,2026-10-11,https://nuclear-directory.org/companies/old-dominion-electric-cooperative
omaha-public-power-district,Omaha Public Power District,,"",,,,,US,,active,"","","",2026-10-20,https://nuclear-directory.org/companies/omaha-public-power-district
operant-networks,Operant Networks,,"",,,,,US,,active,"","","",2026-10-24,https://nuclear-directory.org/companies/operant-networks
opticslah,Opticslah,,"",,,,,US,,active,"","","",2026-10-24,https://nuclear-directory.org/companies/opticslah
oracle,Oracle,,"",https://www.oracle.com,Software and cloud company offering business applications and Oracle Cloud infrastructure.,,,,,active,power-buyers,data_center_offtaker,"",2026-10-16,https://nuclear-directory.org/companies/oracle
orano-enrichment-usa-llc,"Orano Enrichment USA, LLC",,"",,,,,US,,active,"","","",2026-10-24,https://nuclear-directory.org/companies/orano-enrichment-usa-llc
oyster-creek-environmental-protection-llc-ocep,"Oyster Creek Environmental Protection, LLC (OCEP)",,"",,Licensed owner of Oyster Creek since the NRC-approved license transfer took effect on 1 July 2019.,,,US,,active,"","","",2026-10-21,https://nuclear-directory.org/companies/oyster-creek-environmental-protection-llc-ocep
pacific-gas-electric-co,Pacific Gas & Electric Co.,,"",,,,,US,,active,utilities,operator,"",2026-10-12,https://nuclear-directory.org/companies/pacific-gas-electric-co
pacific-northwest-national-laboratory,Pacific Northwest National Laboratory,,PNNL,https://www.pnnl.gov,"National laboratory for scientific discovery in chemistry, data analytics and Earth science, and for energy resilience and national security.",,,US,,active,fuel; government-research,isotopes; national_lab,"",2026-10-21,https://nuclear-directory.org/companies/pacific-northwest-national-laboratory
pkmj-technical-services-llc,PKMJ Technical Services,,"",,,,,US,,active,services,reactor_services,"",2026-10-16,https://nuclear-directory.org/companies/pkmj-technical-services-llc
plasma-processes,Plasma Processes,,"",https://plasmapros.com/,"Develops, makes and coats engineered materials for extreme conditions.",,,US,,active,components,components,"",2026-10-16,https://nuclear-directory.org/companies/plasma-processes
powertech-uranium-corporation,Powertech Uranium Corporation,,"",,,,,US,,active,"","","",2026-10-20,https://nuclear-directory.org/companies/powertech-uranium-corporation
prometheus-hyperscale,Prometheus Hyperscale,,Wyoming Hyperscale; Wyoming Hyperscale White Box LLC,https://prometheushyperscale.com,"Developer of hyperscale data centers, starting with a flagship project in Evanston, Wyoming.",,,,,active,power-buyers,data_center_offtaker,fission,2026-10-16,https://nuclear-directory.org/companies/prometheus-hyperscale
pseg-nuclear-llc,"PSEG Nuclear, LLC",,"",,,,,US,,active,utilities,operator,"",2026-10-12,https://nuclear-directory.org/companies/pseg-nuclear-llc
questek-innovations,Questek Innovations,,"",,,,,US,,active,"","","",2026-10-24,https://nuclear-directory.org/companies/questek-innovations
radiant,Radiant,,Radiant Industries,https://www.radiantnuclear.com,"Developer of the Kaleidos microreactor, which is set to be tested at Idaho National Laboratory.",,,,,active,reactor-developers,reactor_vendor,"",2026-10-16,https://nuclear-directory.org/companies/radiant
radiation-monitoring-devices,Radiation Monitoring Devices,,"",,,,,US,,active,"","","",2026-10-24,https://nuclear-directory.org/companies/radiation-monitoring-devices
sabey-data-centers,Sabey Data Centers,,SDC,https://sabeydatacenters.com,"Data center developer, owner and operator.",,,,,active,power-buyers,"","",2026-10-21,https://nuclear-directory.org/companies/sabey-data-centers
samsung-c-t,Samsung C&T,,Samsung C&T Engineering & Construction Group,https://www.samsungcnt.com,"Engineering and construction company that has built nuclear plants, including Barakah in the UAE.",,,,,active,investors,"","",2026-10-16,https://nuclear-directory.org/companies/samsung-c-t
sargent-lundy,Sargent & Lundy,,S&L,https://www.sargentlundy.com,Nuclear consulting company serving power plants across their full life cycle.,Chicago,IL,US,,active,services,regulatory_consultant,"",2026-10-10,https://nuclear-directory.org/companies/sargent-lundy
savannah-river-national-laboratory,Savannah River National Laboratory,,SRNL,,,,,US,,active,fuel; government-research,isotopes; national_lab,"",2026-10-21,https://nuclear-directory.org/companies/savannah-river-national-laboratory
solstice-advanced-materials,Solstice Advanced Materials,,"Solstice; Solstice Advanced Materials US, Inc.",https://solstice.com,"Specialty materials company that is the only U.S. supplier of uranium hexafluoride (UF6), made at its Metropolis, Illinois plant.",,,US,,active,fuel,conversion; fuel,fission,2026-10-10,https://nuclear-directory.org/companies/solstice-advanced-materials
south-carolina-electric-gas-co,South Carolina Electric & Gas Co.,,"",,,,,US,,active,utilities,operator,"",2026-10-12,https://nuclear-directory.org/companies/south-carolina-electric-gas-co
southern-california-edison,Southern California Edison,,SCE; Southern California Edison (SCE),https://www.sce.com,Electric utility that delivers electricity to its communities.,,,US,,active,utilities,utility,"",2026-10-21,https://nuclear-directory.org/companies/southern-california-edison
southern-company,Southern Company,,"SOUTHERN COMPANY SERVICES, INC.; The Southern Company",https://www.southerncompany.com,"Energy company based in Atlanta that invested in the expansion of Plant Vogtle, the largest generator of carbon-free nuclear energy in the U.S.",Atlanta,GA,US,,active,utilities,utility,fission,2026-10-10,https://nuclear-directory.org/companies/southern-company
southern-nuclear-operating-co,"Southern Nuclear Operating Co., Inc.",,"",,,,,US,,active,utilities,operator,"",2026-10-12,https://nuclear-directory.org/companies/southern-nuclear-operating-co
standard-power,Standard Power,,"",,Company that develops modular data centers.,,,,,active,power-buyers,data_center_offtaker,smr,2026-10-16,https://nuclear-directory.org/companies/standard-power
stp-nuclear-operating-co,STP Nuclear Operating Co.,,"",,,,,US,,active,utilities,operator,"",2026-10-12,https://nuclear-directory.org/companies/stp-nuclear-operating-co
susquehanna-nuclear-llc,"Susquehanna Nuclear, LLC",,"",,,,,US,,active,utilities,operator,"",2026-10-12,https://nuclear-directory.org/companies/susquehanna-nuclear-llc
switch,Switch,,"",https://www.switch.com,"Company that designs, builds and runs data centers, headquartered in Las Vegas.",Las Vegas,NV,US,,active,power-buyers,data_center_offtaker,"",2026-10-16,https://nuclear-directory.org/companies/switch
sydor-instruments,Sydor Instruments,,"",https://sydortechnologies.com/,"Developer of ultra-fast photodiodes and laser components for fusion facilities, under DOE research awards.",,,US,,active,components,components,"",2026-10-16,https://nuclear-directory.org/companies/sydor-instruments
talen-energy,Talen Energy,Talen Energy Corporation,Talen; TalenEnergy; TalenEnergy Susquehanna LLC,https://talenenergy.com,Independent power producer whose fleet is anchored by the Susquehanna nuclear plant.,Houston,TX,US,,active,utilities,utility,fission,2026-10-10,https://nuclear-directory.org/companies/talen-energy
tennessee-valley-authority,Tennessee Valley Authority,,TVA,https://www.tva.com,"Federally owned corporation, created in 1933, that supplies wholesale electric power in the Tennessee Valley region.",Knoxville,TN,US,,active,utilities,utility,smr,2026-10-10,https://nuclear-directory.org/companies/tennessee-valley-authority
terrapower,TerraPower,,US SFR Owner,https://www.terrapower.com,Reactor developer building its first Natrium reactor plant through a DOE demonstration program.,Bellevue,WA,US,,active,reactor-developers,reactor_vendor,fission,2026-10-10,https://nuclear-directory.org/companies/terrapower
texas-a-m-university,Texas A&M University,,"",,,,,US,,active,government-research,university,"",2026-10-20,https://nuclear-directory.org/companies/texas-a-m-university
tmi-2-solutions,TMI-2 Solutions,,"",,"Licensee of Three Mile Island Unit 2, authorized to conduct its decommissioning.",,,US,,active,waste-decommissioning,waste_decommissioning,"",2026-10-20,https://nuclear-directory.org/companies/tmi-2-solutions
triso-x,TRISO-X,"TRISO-X, LLC","",https://x-energy.com,"X-energy fuel company building the TRISO-X fuel fabrication plant in Oak Ridge, Tennessee.",,,US,,active,fuel,fabrication; fuel,smr,2026-10-10,https://nuclear-directory.org/companies/triso-x
type-one-energy,Type One Energy,Type One Energy Group,Type One Energy Group,https://typeoneenergy.com,Fusion company developing stellarator power plants; technology provider for TVA's Infinity Two project.,Madison,WI,US,,active,reactor-developers,reactor_vendor,fusion,2026-10-10,https://nuclear-directory.org/companies/type-one-energy
university-of-alabama-at-birmingham,University of Alabama at Birmingham,,UAB; University of Alabama-Birmingham,,University named in DOE's University Isotope Network.,,,,,active,government-research,university,"",2026-10-21,https://nuclear-directory.org/companies/university-of-alabama-at-birmingham
university-of-washington,University of Washington,,"",,,,,US,,active,government-research,university,"",2026-10-20,https://nuclear-directory.org/companies/university-of-washington
urenco,Urenco,,Louisiana Energy Services; UUSA; Urenco Group; Urenco USA,https://www.urenco.com,"Company that supplies uranium enrichment for nuclear power, with plants in Germany, the Netherlands, the UK and the U.S.",London,,GB,,active,fuel,enrichment; fuel,fission,2026-10-10,https://nuclear-directory.org/companies/urenco
ur-energy,Ur-Energy,,"",https://www.ur-energy.com,Uranium mining company that runs in-situ recovery uranium projects in Wyoming.,Casper,WY,US,,active,fuel,fuel; mining,"",2026-10-10,https://nuclear-directory.org/companies/ur-energy
us-department-of-energy,U.S. Department of Energy,,DOE; Office of Nuclear Energy,https://www.energy.gov,"Federal department that addresses U.S. energy, environmental and nuclear challenges through science and technology.",Washington,DC,US,,active,government-research,government_agency,"",2026-10-10,https://nuclear-directory.org/companies/us-department-of-energy
us-nuclear-regulatory-commission,U.S. Nuclear Regulatory Commission,,NRC,https://www.nrc.gov,,Rockville,MD,US,,active,government-research,government_agency,"",2026-10-10,https://nuclear-directory.org/companies/us-nuclear-regulatory-commission
vistra-corporation,Vistra Corporation,,"Luminant Generation Company LLC; Vistra Operations Company, LLC",https://vistracorp.com,"Power generation and retail electricity company based in Irving, Texas, with a fleet that includes nuclear plants.",Irving,TX,US,,active,utilities,operator,"",2026-10-12,https://nuclear-directory.org/companies/vistra-corporation
westinghouse-electric-company,Westinghouse,Westinghouse Electric Company LLC,Combustion Engineering; Westinghouse Electric Company LLC,https://westinghousenuclear.com,"Company whose reactor technology, services and fuel are used across the world's nuclear power plants.",Cranberry Township,PA,US,,active,reactor-developers; fuel; services,fabrication; fuel; reactor_services; reactor_vendor,fission; smr,2026-10-10,https://nuclear-directory.org/companies/westinghouse-electric-company
wolf-creek-nuclear-operating-corp,Wolf Creek Nuclear Operating Corp.,,Wolf Creek Nuclear Optg Corp,,,,,US,,active,utilities,operator,"",2026-10-12,https://nuclear-directory.org/companies/wolf-creek-nuclear-operating-corp
wsc,WSC,,"",,,,,US,,active,"","","",2026-10-24,https://nuclear-directory.org/companies/wsc
x-energy,X-energy,,"X-Energy Reactor Company, LLC",https://x-energy.com,Developer of the Xe-100 small modular reactor and of nuclear fuel technology.,Rockville,MD,US,,active,reactor-developers,reactor_vendor,fission; smr,2026-10-10,https://nuclear-directory.org/companies/x-energy
xuv-lasers,XUV Lasers,,"",https://www.xuvlasers.com,"Develops components and optical coatings for high-power lasers, including fusion laser drivers.",,,US,,active,components,components,"",2026-10-16,https://nuclear-directory.org/companies/xuv-lasers
x-wave-innovations,X-Wave Innovations,,"",,,,,US,,active,"","","",2026-10-24,https://nuclear-directory.org/companies/x-wave-innovations
y-12-national-security-complex,Y-12 National Security Complex,,Y-12,,,,,US,,active,fuel,isotopes,"",2026-10-20,https://nuclear-directory.org/companies/y-12-national-security-complex