Dale Earnhardt Inc. and Chip Ganassi Racing merged to form Earnhardt-Ganassi Racing Petty Enterprises and Gillett Evernham Motorsports to form Richard Petty Motorsports Tony Stewart co-ownership with Haas CNC Racing to form Stewart Haas Racing.
| Graph IRI | Count |
|---|---|
| http://dbkwik.webdatacommons.org | 4 |