But smaller new players are beginning to try to crack this market.
The American football program has been known for its small but powerful players.
For some smaller players the proportion may be much higher.
There are many smaller players, with operations in only a few states.
"The big guys have a new enhancement each week and the smaller players can't keep up."
He was effective despite being the smallest player on the team.
Many of these were established in the '70s and '80s, when China was a very small player on the global economic stage.
With these changes, will smaller players have a better chance?
Management consulting resources on the Web include smaller players as well.
"There still are going to be smaller players," he said.