| Indianoil | Ground Floor, Melli, Near Sikkim Check Post | East Sikkim |
| Indianoil | IBM Complex, NH 31A | East Sikkim |
| Indianoil | No 32 Mile, Stone Lower | East Sikkim |
| Indianoil | Rtkm 58, Ground Floor | Gangtok |
| Indianoil | NH 31A, Ground Floor | Gangtok |
| Indianoil | Rtkm 57, Deorali Road, Ground Floor | Gangtok |
| Indianoil | Ground Floor, Bazar, Sichey, Indira Bypass Road | Gangtok |
| Indian Oil | Khatian No 79, Plot No 2254 & 2255 | Gangtok Sub-District |
| Indian Oil LPG Filling Station | | Gangtok Sub-District |
| Indianoil | 763Q+3WW, Ground Floor | Hee Burmiok |
| IndianOil | Ground Floor Pakshep, Mangan | Mangan |
| Indianoil | Ground Floor Mangan | Mangan |
| Indian Oil Corporation Ltd. | Ground Floor, Naya Bazar Jorethang, Rt km 104, Okharey | Namchi |
| IndianOil | Ground Floor, Nh710, Namchi - Nayabazar Rd | Namchi |
| IndianOil | Ground Floor, Rhenock - Tarpin Rd | Rongli |
| Indianoil | Ground Floor, Singtam - Chungthang Road | Singtam |
| IndianOil | Khatian 877, Ilaka, Soreng,Okharey, Plot 573/5004 | Soreng |
| Indianoil | Ground Floor, Bharikhola | South Sikkim |
| Indianoil | Ground Floor, Mickhola | South Sikkim |