CHICAGO, Illinois, May 21 -- GTCR, a private equity firm, issued the following news release: * * * GTCR Announces Sale of itel Transaction Follows Successful Transformation of Leading Insurance Data and Analytics Provider GTCR, a leading private equity firm, announced that it has signed a definitive agreement to sell ITEL Laboratories, Inc. ("itel" or "the Company"), a leading provider of data and analytics to the P&C insurance industry, to Nearmap, a portfolio company of Thoma Bravo. Headq  more