EzRez Software, a San Francisco a provider of customized online travel sites for businesses, said it has raised $15 million in a second round of financing.

Canaan Partners led the round, with Azure Capital Partners and existing investors participating.

See announcement here.

The company lets businesses brand and customize their own travel site selling air, hotel, rental car and other travel related packages to their customers based on their particular interests. Founded in 2003, EzRez works with players like Starwood Hotels and Jet Blue, to power online travel booking systems that cater specifically to those audiences.