247 game companies generate more than $1M in mobile revenue in the U.S. alone

There are 247 game companies that reap more than $1 million in revenue from mobile games in the U.S. alone. That should be a reassurance to small indie game makers who are striving to compete amid a sea of rivals.

But big mobile-game publishers like King, Supercell, and Kabam are strengthening their grip on the top-10 grossing ranks in most countries, according to a report by market researcher Newzoo.