How does infogroup collect data?

Data Axle (formerly Infogroup) compiles business data by collecting information from diverse sources like public directories, new business filings, utility connections, press releases, corporate websites, annual reports, user-generated feedback, and more. They conduct over 24 million calls annually to verify and update data, ensuring its currency, accuracy, and relevance. For consumer data, Data Axle utilizes 29 billion records from 100+ sources annually. They gather raw data from diverse sources like real estate and tax assessments, voter registration files, utility connections, bill processors, behavioral data, and other elusive sources. Their U.S. consumer database is rebuilt monthly, ensuring top-quality data, and it offers extensive demographic and lifestyle attributes for crafting customized mailing lists.