UtiliBill™ Integrated Electronic Data Interchange and Billing/CIS provides ease of use and lower cost to serve for energy retailers in deregulated markets UNIONDALE, N.Y. –October 20, 2015 – EC Infosystems, a leader in Electronic Data Interchange (EDI) and Billing/Customer Information Solutions (CIS) for clients in the deregulated energy industry, today announced that it has signed… Keep reading →