NTT will remain the sponsor of the NTT IndyCar Series well into the future, INDYCAR announced May 22. The exact length of the renewal was ... <p class="read-more-container"><a title="NTT Renews IndyCar Entitlement Sponsorship" class="read-more button" href="https://frontstretch.com/2026/05/22/ntt-renews-indycar-entitlement-sponsorship/#more-1400644" aria-label="Read more about NTT Renews IndyCar Entitlement Sponsorship" data-wpel-link="internal">Continue Reading</a></p>