back as referral network

More than 150 MLSs providing IDX feeds with data on 1.6 million listings

Market Leader Inc. is back in the real estate lead generation business with a vengeance.

Known as HouseValues before rebranding in 2008, Market Leader spent several years transitioning from a seller of leads generated by sites like into a provider of "software as a service" marketing tools and customized websites for agents and brokers.