| National Seeds Corporation Limited | haryana | 11 | |
| National Seeds Corporation Limited | rajasthan | 138 | |
| National Skill Trainers Institute | kerala | 1 | |
| National Skill Training Institute | odisha | 4 | |
| National Small Industries Corporation Limited | delhi | 161 | |
| National Sports University | manipur | 150 | |
| National Sugar Institute | uttar pradesh | 338 | |
| National Task Force on Information Technology and Software Development | delhi | 1 | |
| National Technical Research Organisation | delhi | 553 | |
| National Telecommunications Institute For Policy Research, Innovation & Training | uttar pradesh | 8 | |
| National Test House | west bengal | 1 | |
| National Test House | central government | 106 | |
| National Textile Corporation Limited | delhi | 48 | |
| National Thermal Power Corporation | delhi | 2 | |
| National Transportation Planning and Research Centre | kerala | 18 | |
| National Tuberculosis Institute | karnataka | 14 | |
| National University of Educational Planning and Administration | delhi | 31 | |
| National Urban Health Mission | maharashtra | 5 | |
| National Vector Borne Disease Control Programme | kerala | 1 | |
| National Waqf Development Corporation Ltd. | delhi | 14 | |
| National Water Development Agency | delhi | 163 | |
| Nava Nalanda Mahavihara | bihar | 1 | |
| Naval Armament Depot | karnataka | 4 | |
| Naval Dockyard | andhra pradesh | 1975 | |
| Naval Dockyard | maharashtra | 625 | |