After being slapped with a series of patent-infringement lawsuits by IGT, WMS' lawyers repaid the favor with the accusation that IGTmonopolizes new casinos by giving away accounting software in exchange for the casino's promise to buy at least 75% of its games from IGT.

FORBES: High Stakes

Makers such as WMS, International Game Technology (nyse: IGT - news - people ) and Bally are testing networks that push games and information out to slot machines, allowing a nearly unlimited array of moneymaking choices.

FORBES: Well-Armed Bandits

Gamache arrived at WMS in 2000 and began hiring engineers laid off from Lucent and Motorola (nyse: MOT - news - people ).

FORBES: Well-Armed Bandits