Toyota Racing Development
NASCAR Cup Series driver Rusty Wallace was sponsored by Mobil from 1987. In 1991, he carried his sponsorship to Penske Racing. Jeremy Mayfield had Mobil as the primary sponsorship in 1998, and later Ryan Newman and Sam Hornish Jr. took it as well. Penske's IndyCar operations also had Mobil 1 sponsorship from 1991, until the deal was ended after the 2010 season. Since 2011, Stewart-Haas Racing has carried the Mobil 1 sponsorship among their various teams. Toyota Racing Development-supported NASCAR teams also use Mobil oil.