Best animation studios

I searched which are the best animation studios through a few webs, and I came to the conclusion that these re the best ones:

10. Nickelodeon Animation Studios

9. Weta Digital

8. Blue Sky Studios

7. Cartoon Network Studios

6. Framestore

5. Studio Ghibli

4. Industrial Light & Magic

3. DreamWorks Animation

2. Walt Disney Animation Studios

1. Pixar