| Indian Oil Corporation Limited | uttar pradesh | 1 | |
| Indian Oil Corporation Limited | haryana | 9 | |
| Indian Oil Corporation Limited | gujarat | 6 | |
| Indian Oil Corporation Limited | assam | 18 | |
| Indian Oil Corporation Limited | maharashtra | 1 | |
| Indian Oil Corporation Limited | delhi | 24 | |
| Indian Oil Corporation Limited | bihar | 9 | |
| Indian Oil Corporation Limited | assam | 1 | |
| Indian Oil Corporation Limited | west bengal | 8 | |
| Indian Oil Corporation Limited | west bengal | 4 | |
| Indian Oil Corporation Limited | tamil nadu | 3 | |
| Indian Oil Corporation Limited | haryana | 2 | |
| Indian Oil Corporation Limited | odisha | 12 | |
| Indian Oilseed and Produce Export Promotion Council | central government | 2 | |
| Indian Ordnance Factories | telangana | 2 | |
| Indian Overseas Bank | central government | 6 | |
| Indian Pharmacopoeia Commission | uttar pradesh | 3 | |
| Indian Pharmacopoeia Commission | central government | 2 | |
| Indian Port Rail Corporation Limited | maharashtra | 21 | |
| Indian Ports Association | delhi | 5 | |
| Indian Post | assam | 3 | |
| Indian Railway Finance Corporation Limited | delhi | 10 | |
| Indian Railway Stations Development Corporation Limited | delhi | 9 | |
| Indian Railways | uttar pradesh | 2 | |
| Indian Railways eProcurement Systems | delhi | 1 | |