Demandbase, a SaaS database marketing platform, has added Harte-Hanks' Market Intelligence Technology Database to its offering. Harte-Hanks' data, which includes IT professionals and business decision makers from about 600,000 companies, is collected and verified through telephone and Web-based interviews. Including 325,000 names from the Harte-Hanks data, Demandbase is adding 3 million new business contacts to its database.