If you're here looking up Sonic customer care, you probably already know who they are. But it helps to get an idea of how big they are and what their support operation looks like if you are a customer. Sonic also goes by or is associated with the names Sonic Retro. They are considered to be part of the following sectors and industries: restaurants. Sonic is associated with terms like fast food, public, private, b2c by their customers and industry analysts. They employ less than 50 people according to customers in the know.