Numaligarh Refinery Limited, Siliguri
Location: Siliguri
Hindustan Prefab Limited New Delhi
Location: New Delhi
Numaligarh Refinery Limited Assam
Location: Assam
Jakson Limited Gaya
Location: Gaya
Jakson Limited
Location:Darbhanga
Indian Oil Corporation Ltd Assam Jubliee Hall
Location: Assam Jubliee Hall