What are the top animation studios in US?

Some of the top animation studiOS in the U.S. include Pixar Animation StudiOS, known for its groundbreaking CGI films like "Toy Story" and "Finding Nemo." Walt Disney Animation StudiOS continues to be a leader with classics such as "The Lion King" and "Frozen." DreamWorks Animation is also prominent, famous for franchises like "Shrek" and "How to Train Your Dragon." Additionally, Blue Sky StudiOS, although recently closed, was recognized for its work on the "Ice Age" series.