| # | Institute / Organisation | Location | Current Status & Key Notes |
| 1 | IREL (India) Limited (formerly Indian Rare Earths Limited) | Mumbai, Maharashtra | Headquarters in Mumbai; major mineral plant in Aluva (Alwaye), Kerala. |
| 2 | Uranium Corporation of India Limited (UCIL) | Jadugoda, Jharkhand | Public sector enterprise under the Department of Atomic Energy (DAE). |
| 3 | Atomic Energy Commission (AEC) | Mumbai, Maharashtra | Governing body of the Department of Atomic Energy. |
| 4 | Electronics Corporation of India Limited (ECIL) | Hyderabad, Telangana | PSU under DAE manufacturing electronic equipment & control systems. |
| 5 | Bhabha Atomic Research Centre (BARC) | Trombay (Mumbai), Maharashtra | India’s premier nuclear research facility. |
| 6 | Radio Astronomy Centre (RAC) | Ooty (Udhagamandalam), Tamil Nadu | Operated by NCRA under Tata Institute of Fundamental Research. |
| 7 | Tata Institute of Fundamental Research (TIFR) | Mumbai, Maharashtra | Autonomous research institute under DAE. |
| 8 | Saha Institute of Nuclear Physics (SINP) | Kolkata, West Bengal | Autonomous institute for basic physical and biophysical sciences. (Listed twice in original image). |
| 9 | Nuclear Fuel Complex (NFC) | Hyderabad, Telangana | Manufactures nuclear fuel assemblies for Indian reactors. |
| 10 | Nuclear Power Corporation of India Limited (NPCIL) | Mumbai, Maharashtra | Responsible for the design, construction, and operation of atomic power plants (listed as Nuclear Power Complex). |
| 11 | National Centre for Earth Science Studies (NCESS) | Thiruvananthapuram, Kerala | Autonomous R&D institute under the Ministry of Earth Sciences (formerly CESS). |
| 12 | Physical Research Laboratory (PRL) | Ahmedabad, Gujarat | Autonomous institute for space & atmospheric sciences under ISRO/DoS. |
| 13 | Space Commission | Bengaluru, Karnataka | Apex policymaking body for space research in India. |
| 14 | Vikram Sarabhai Space Centre (VSSC) | Thiruvananthapuram, Kerala | Lead ISRO centre for launch vehicle development. |
| 15 | Indian Space Research Organisation (ISRO) | Bengaluru, Karnataka | Headquarters of India’s national space agency. |
| 16 | Space Applications Centre (SAC) | Ahmedabad, Gujarat | Lead centre for payload development and satellite applications. |
| 17 | Thumba Equatorial Rocket Launching Station (TERLS) | Thumba (Thiruvananthapuram), Kerala | Operates under VSSC for atmospheric research sounding rockets. |
| 18 | UR Rao Satellite Centre (URSC) | Bengaluru, Karnataka | Formerly ISRO Satellite Centre (ISAC) / Indian Scientific Satellite Project. |
| 19 | Development and Educational Communication Unit (DECU) | Ahmedabad, Gujarat | Evolved from the College of Satellite Communication Technology campus. |
| 20 | Satish Dhawan Space Centre (SDSC SHAR) | Sriharikota, Andhra Pradesh | Principal spaceport and rocket launch centre of ISRO. |
| 21 | Indira Gandhi Centre for Atomic Research (IGCAR) | Kalpakkam, Tamil Nadu | Premier centre for fast breeder reactor R&D. |
| 22 | Liquid Propulsion Systems Centre (LPSC) | Valiamala (Thiruvananthapuram) & Bengaluru | Lead ISRO centre for liquid propulsion systems. |
| 23 | National Remote Sensing Centre (NRSC) | Hyderabad, Telangana | ISRO centre for earth observation satellite data reception & processing. |
| 24 | Raja Ramanna Centre for Advanced Technology (RRCAT) | Indore, Madhya Pradesh | DAE unit focusing on lasers, particle accelerators, and related technologies. |
| 25 | Variable Energy Cyclotron Centre (VECC) | Kolkata, West Bengal | DAE R&D unit operating advanced particle accelerators. |
| 26 | ISRO Telemetry Tracking and Command Network (ISTRAC) | Bengaluru, Karnataka | Provides tracking, telemetry, and command support for satellite/space missions. |
| 27 | Master Control Facility (MCF) | Hassan (Karnataka) & Bhopal (MP) | Monitors and controls geo-stationary satellite orbit operations. |
| 28 | Indian Institute of Space Science and Technology (IIST) | Thiruvananthapuram, Kerala | Asia’s first dedicated space university under the Department of Space. |
| 29 | Atomic Minerals Directorate for Exploration and Research (AMD) | Hyderabad, Telangana | Identifies nuclear mineral resources across India. |
| 30 | Heavy Water Board (HWB) | Mumbai, Maharashtra | Produces heavy water and specialized materials for nuclear reactors. |
