San Diego--B2BData Corp., a b-to-b sales database company, has bought competitor Facts Online, a developer of databases focused on U.S.-based technology companies that have recently received funding. It is a sector that B2BData wanted to increase its presence in. "Companies that have received recent funding are more likely to buy products and services," said Harry Henry, COO of B2BData, in a statement. "Consequently, these companies make excellent prospects." Financial amounts were not disclosed.