ISRO has 13 different centres in Bangalore. Some of the most well-known centres are Liquid Propulsion Systems Centre (LPSC), U R Rao Satellite Centre (URSC) etc. You can read about the Indian Space Research Organisation [ISRO Notes for UPSC] in the given link.

Further readings:

1. List of Indian Satellites – (1975-2021)
2. Satellite Launch Vehicle Program – PSLV & GSLV