Ryan Scott Sieg Racing is an American professional stock car racing team that currently competes in the NASCAR O'Reilly Auto Parts Series. The team is owned by Rod Sieg and Pamela Sieg. The team currently fields three Chevrolet SS teams: the No. 28 full-time for Kyle Sieg, the No. 39 full-time for Ryan Sieg, and the No. 38 part-time for multiple drivers, with a technical alliance with Haas Factory Team.