1. Double Fusion, headquartered in San Francisco, founded in 2004, recently relocated its headquarters from Jerusalem. Well-connected entertainment and gaming executive Jonathan Nelson is board member and savvy spokesman. Analysts say: "pioneer in the field" and "top-tier player."
2. IGA Worldwide, headquartered in New York. Recently secured $12 million in venture-capital funding and last week appointed Bruce Nelson, vice chairman at Omnicom, and former top Sony entertainment executive Chris Deering to its board. Analysts say: "recent surge" and "global play."
3. Adscape Media, headquartered in San Francisco, founded in 2002. Changed name from BiDamic. Hiring heavy talent including Sony/Mattel/Sega exec Bernard Stolar as chairman of board and Eva Woo, former Levi/LeapFrog exec as VP-marketing. Analysts say: "Smaller player" and "[Execs have] solid credentials."