| National Safai Karamcharis Finance and Development Corporation | delhi | 1 | |
| National Safety Council | delhi | 1 | |
| National Scheduled Castes Finance and Development Corporatioin | delhi | 1 | |
| National School of Drama | delhi | 7 | |
| National Security Guard | central government | 6 | |
| National Seed Research and Training Centre | uttar pradesh | 6 | |
| National Seeds Corporation Limited | delhi | 5 | |
| National Seeds Corporation Limited | haryana | 2 | |
| National Seeds Corporation Limited | rajasthan | 6 | |
| National Seeds Corporation Limited | karnataka | 2 | |
| National Skill Trainers Institute | kerala | 1 | |
| National Skill Training Institute | odisha | 1 | |
| National Small Industries Corporation Limited | delhi | 9 | |
| National Sports University | manipur | 1 | |
| National Sugar Institute | uttar pradesh | 15 | |
| National Technical Research Organisation | delhi | 20 | |
| National Telecommunications Institute For Policy Research, Innovation & Training | uttar pradesh | 1 | |
| National Test House | west bengal | 1 | |
| National Test House | central government | 3 | |
| National Textile Corporation Limited | delhi | 1 | |
| National Thermal Power Corporation | delhi | 1 | |
| National Transportation Planning and Research Centre | kerala | 3 | |
| National Tuberculosis Institute | karnataka | 7 | |
| National University of Educational Planning and Administration | delhi | 16 | |
| National Urban Health Mission | gujarat | 1 | |