Monster Energy NASCAR Cup Series – Dover International Speedway
| No. | Driver | Sponsor | Make | Organization |
| 00 | Landon Cassill | KODRA | Chevrolet | StarCom Racing |
| 1 | Kurt Busch | Monster Energy | Chevrolet | Chip Ganassi Racing |
| 2 | Brad Keselowski | Miller Lite | Ford | Team Penske |
| 3 | Austin Dillon | AAA | Chevrolet | Richard Childress Racing |
| 4 | Kevin Harvick | Jimmy John’s | Ford | Stewart-Haas Racing |
| 6 | Ryan Newman | Wyndham Rewards | Ford | Roush Fenway Racing |
| 8 | Daniel Hemric | Caterpillar | Chevrolet | Richard Childress Racing |
| 9 | Chase Elliott | NAPA Brakes | Chevrolet | Hendrick Motorsports |
| 10 | Aric Almirola | Smithfield | Ford | Stewart-Haas Racing |
| 11 | Denny Hamlin | FedEx Office | Toyota | Joe Gibbs Racing |
| 12 | Ryan Blaney | Menards/Duracell | Ford | Team Penske |
| 13 | Ty Dillon | Twisted Tea | Chevrolet | Germain Racing |
| 14 | Clint Bowyer | Mobil 1 | Ford | Stewart-Haas Racing |
| 15 | Ross Chastain | Low T Center | Chevrolet | Premium Motorsports |
| 17 | Ricky Stenhouse Jr. | Little Hug | Ford | Roush Fenway Racing |
| 18 | Kyle Busch | Pedigree | Toyota | Joe Gibbs Racing |
| 19 | Martin Truex Jr. | Sirius XM | Toyota | Joe Gibbs Racing |
| 20 | Erik Jones | Sport Clips | Toyota | Joe Gibbs Racing |
| 21 | Paul Menard | Motorcraft/QuickLane | Ford | Wood Brothers Racing |
| 22 | Joey Logano | Shell Pennzoil | Ford | Team Penske |
| 24 | William Byron | Axalta | Chevrolet | Hendrick Motorsports |
| 27 | Reed Sorenson | Unsponsored | Chevrolet | Premium Motorsports |
| 32 | Corey LaJoie | CorvetteParts.net | Ford | Go Fas Racing |
| 34 | Michael McDowell | Dockside Logistics | Ford | Front Row Motorsports |
| 36 | Matt Tifft | Surface Sunscreen/Tunity | Ford | Front Row Motorsports |
| 37 | Chris Buescher | Degree | Chevrolet | JTG Daugherty Racing |
| 38 | David Ragan | MDS Transport | Ford | Front Row Motorsports |
| 41 | Daniel Suarez | Haas Automation | Ford | Stewart-Haas Racing |
| 42 | Kyle Larson | Credit One Bank | Chevrolet | Chip Ganassi Racing |
| 43 | Bubba Wallace | World Wide Technology | Chevrolet | Richard Petty Motorsports |
| 47 | Ryan Preece | Kroger | Chevrolet | JTG Daugherty Racing |
| 48 | Jimmie Johnson | Ally | Chevrolet | Hendrick Motorsports |
| 51 | Cody Ware | Jacob Companies | Ford | Petty Ware Racing |
| 52 | BJ McLeod | Rick Ware Racing | Chevrolet | Rick Ware Racing |
| 77 | Quin Houff | Spire Motorsports | Chevrolet | Spire Motorsports |
| 88 | Alex Bowman | Nationwide Small Business | Chevrolet | Hendrick Motorsports |
| 95 | Matt DiBenedetto | FDNY Foundation | Toyota | Leavine Family Racing |
