Russian is known for its many ballet companies. The two most famous ballet companies in Russia are the Bolshoi Ballet and Mariinsky Ballet. The Mariinsky Ballet used to be known as the Kirov Ballet.
Great American ballet companies are a matter of opinion. Yet, the New York City Ballet, American Ballet Theater, Pacific Northwest Ballet, San Fransisco Ballet, Miami City Ballet, Boston Ballet, Pennsylvania Ballet, Oregon Ballet, and other smaller-tier companies are considered at the top!
New York City Ballet American Ballet Theatre School of American Ballet Those are usually the most popular schools. I think all three of them also have ballet companies.
American Ballet Theatre New York City Ballet San Fransisco Ballet Pacific Northwest Ballet Boston Ballet
the Royal Winnipeg Ballet Royal Danish Ballet Royal Swedish Ballet Royal Ballet of Flanders Birmingham Royal Ballet
American Ballet Theatre (ABT), Joffery Ballet, and New York City Ballet
Not sure off the top of my head, but the major ballet companies are; The Bolshoi, The Kirov, The Moscow Ballet, and The St Petersburg Ballet. Often countries such as Russia have many many little companies that may exist and are supported by the small towns they are in.
1. Mariinsky Kirov Ballet 2. Bolshoi Ballet 3. New York Ballet 4. American Ballet Theatre
1. Mariinsky Kirov Ballet 2. Bolshoi Ballet 3. New York Ballet 4. American Ballet Theatre K. :)
One of the most famous ballet companies is the Royal Ballet of London.
Just about all cities have some form of dance and ballet companies.
There are countless numbers of professional ballet dancers in may different professional ballet companies all across the world.