| Alcatel | 1 | Alcatel Service Centres in Katihar |
| Arise Mobile | 1 | Arise Mobile Service Centres in Katihar |
| Avita | 1 | Avita Service Centres in Katihar |
| Bajaj Auto | 7 | Bajaj Auto Service Centres in Katihar |
| Diyi Mobile | 1 | Diyi Mobile Service Centres in Katihar |
| Epson | 1 | Epson Service Centres in Katihar |
| Force | 1 | Force Service Centres in Katihar |
| Forme | 1 | Forme Service Centres in Katihar |
| Fujezone | 1 | Fujezone Service Centres in Katihar |
| Hero Moto Corp | 2 | Hero Moto Corp Service Centres in Katihar |
| Hitech mobile | 2 | Hitech mobile Service Centres in Katihar |
| Honda | 1 | Honda Service Centres in Katihar |
| I Kall | 1 | I Kall Service Centres in Katihar |
| iball | 1 | iball Service Centres in Katihar |
| IBerry | 2 | IBerry Service Centres in Katihar |
| infinix | 1 | infinix Service Centres in Katihar |
| Intex | 5 | Intex Service Centres in Katihar |
| Ismart | 2 | Ismart Service Centres in Katihar |
| Itel | 1 | Itel Service Centres in Katihar |
| Jivi Mobile | 1 | Jivi Mobile Service Centres in Katihar |
| Josh | 1 | Josh Service Centres in Katihar |
| Karbonn | 1 | Karbonn Service Centres in Katihar |
| Kenstar | 1 | Kenstar Service Centres in Katihar |
| Kent | 1 | Kent Service Centres in Katihar |
| Lava | 1 | Lava Service Centres in Katihar |
| Lemon | 3 | Lemon Service Centres in Katihar |
| Lenovo | 1 | Lenovo Service Centres in Katihar |
| Mafe | 2 | Mafe Service Centres in Katihar |
| Magicon | 1 | Magicon Service Centres in Katihar |
| Mahindra Auto | 1 | Mahindra Auto Service Centres in Katihar |
| Maruti suzuki | 1 | Maruti suzuki Service Centres in Katihar |
| Maxx | 2 | Maxx Service Centres in Katihar |
| MI | 1 | MI Service Centres in Katihar |
| Micromax | 4 | Micromax Service Centres in Katihar |
| MRF | 2 | MRF Service Centres in Katihar |
| Nokia | 1 | Nokia Service Centres in Katihar |
| Onida | 1 | Onida Service Centres in Katihar |
| Oppo | 1 | Oppo Service Centres in Katihar |
| Pagaria | 1 | Pagaria Service Centres in Katihar |
| Panasonic | 1 | Panasonic Service Centres in Katihar |
| Poco | 1 | Poco Service Centres in Katihar |
| Realme | 1 | Realme Service Centres in Katihar |
| Renault | 1 | Renault Service Centres in Katihar |
| Royal Enfield | 1 | Royal Enfield Service Centres in Katihar |
| Samsung | 1 | Samsung Service Centres in Katihar |
| Sansui | 3 | Sansui Service Centres in Katihar |
| Simmtronics | 1 | Simmtronics Service Centres in Katihar |
| Speed Mobile | 2 | Speed Mobile Service Centres in Katihar |
| Swipe | 1 | Swipe Service Centres in Katihar |
| Tafe | 2 | Tafe Service Centres in Katihar |
| Tata Motors | 1 | Tata Motors Service Centres in Katihar |
| Vespa | 1 | Vespa Service Centres in Katihar |
| Vivo | 1 | Vivo Service Centres in Katihar |
| Xage | 2 | Xage Service Centres in Katihar |
| Xolo | 1 | Xolo Service Centres in Katihar |
| Yamaha | 2 | Yamaha Service Centres in Katihar |
| Zen Mobile | 2 | Zen Mobile Service Centres in Katihar |