Back then, the first national gaming conglomerates appeared, starting with steamboats offering riverboat gambling on the United States’ major waterways. History of Casino Companies and InvestorsĬasino companies and investors have seen significant growth since their emergence during the late 19th century. You’ll be amazed at just how far they’ve come. Are you curious about the world’s biggest casino companies and investors? Explore this article to learn who is in control of the casino industry and understand how investments from these high rollers bring more financial opportunities to the table.