Acxiom Corporation is a marketing technology and services company with offices in the United States, Europe, Asia, and South America. Acxiom offers marketing and information management services, including multichannel marketing, addressable advertising, and database management.n October 9, 2008, Acxiom announced it had entered into a contract with XSellNet [1] to deliver and manage the distribution of real-time customer data and analytics to the retail auto dealer industry throughout the United States. The collaboration is co-branded as X12 powered by Acxiom.