| Hindustan Aeronautics Limited | karnataka | 13 | |
| Hindustan Aeronautics Limited | central government | 1 | |
| Hindustan Copper Limited | gujarat | 4 | |
| Hindustan Copper Limited | rajasthan | 3 | |
| Hindustan Copper Limited | maharashtra | 4 | |
| Hindustan Copper Limited | west bengal | 2 | |
| Hindustan Insecticides Limited | delhi | 7 | |
| Hindustan Insecticides Limited | maharashtra | 2 | |
| Hindustan Newsprint Limited | central government | 2 | |
| Hindustan Newsprint Limited | kerala | 2 | |
| Hindustan Paper Corporation Limited | central government | 4 | |
| Hindustan Petroleum Corporation Limited | andhra pradesh | 3 | |
| Hindustan Petroleum Corporation Limited | maharashtra | 9 | |
| Hindustan Salts Limited | rajasthan | 2 | |
| Hindustan Shipyard Limited | andhra pradesh | 2 | |
| HMT International Limited | karnataka | 2 | |
| HMT Limited | karnataka | 12 | |
| HMT Machine Tools Limited | rajasthan | 1 | |
| HMT Machine Tools Limited | haryana | 10 | |
| HMT Machine Tools Limited | kerala | 2 | |
| Homi Bhabha Cancer Hospital | punjab | 13 | |
| Homi Bhabha Cancer Hospital & Research Centre | andhra pradesh | 8 | |
| Homi Bhabha Centre for Science Education | maharashtra | 4 | |
| Homibhabha National Institute | maharashtra | 1 | |
| Hooghly Cochin Shipyard Limited | west bengal | 1 | |