When most Americans think of gambling, they think Las Vegas, but the Sin City’s take is dwarfed by Macau, which pulled in $44 billion in gaming revenue in 2014. SJM Holdings is currently the dominant force there, but other players have been gaining ground, including U.S. casino operators such as Las Vegas Sands ( The face of Macau is changing rapidly however, as regulations regarding VIP players change and companies race to complete higher-margin mass market resorts.