2016 revenue: $124 million +3% C asino Queen, which operates a casino, hotel and restaurant complex in East St. Louis, had a revenue boost of 3.3 percent last year after seeing a decline in 2015 due to increased competition from gambling machines at bars and restaurants. Casino Queen's parent, CQ Holdings Inc., agreed in October to buy Lady Luck Casino Marquette in Iowa for $40 million in cash from Isle of Capri Casinos Inc. Citizens Bank and Gaming and Leisure Properties Inc. have committed...