In the above video, I have talked about 10 Mobile App Development Companies in San Francisco.
They are as follows:

1. WIZELINE
2. EXADEL
3. CITRUSBITS
4. KOOMBEA
5. BLUE ROCKET
6. MATELLIO
7. APPSTEM
8. DEVSCALE
9. SF APPWORKS
10. MARKER SEVEN

Click on the link to know more:
https://www.techieapps.com/top-mobile-app-development-companies-in-san-francisco/