| Teams for 2018 Foxwoods Resort Casino 301 |
|---|
| Car | Team | Driver | Mfg |
|---|---|---|---|
| 00 | William Woehlemann | Landon Cassill |  |
| 1 | Chip Ganassi | Jamie McMurray | |
| 2 | Roger Penske | Brad Keselowski |  |
| 3 | Richard Childress | Austin Dillon | |
| 4 | Stewart Haas Racing | Kevin Harvick | |
| 6 | Jack Roush | Matt Kenseth | |
| 9 | Rick Hendrick | Chase Elliott | |
| 10 | Stewart Haas Racing | Aric Almirola | |
| 11 | Joe Gibbs | Denny Hamlin |  |
| 12 | Roger Penske | Ryan Blaney | |
| 13 | Germain Racing | Ty Dillon | |
| 14 | Stewart Haas Racing | Clint Bowyer | |
| 15 | Premium Motorsports | Ross Chastain | |
| 17 | Jack Roush | Ricky Stenhouse, Jr. | |
| 18 | Joe Gibbs | Kyle Busch | |
| 19 | Joe Gibbs | Daniel Suarez | |
| 20 | Joe Gibbs | Erik Jones | |
| 21 | Wood Brothers Racing | Paul Menard | |
| 22 | Roger Penske | Joey Logano | |
| 23 | Ron Devine | Blake Jones | |
| 24 | Rick Hendrick | William Byron | |
| 31 | Richard Childress | Ryan Newman | |
| 32 | Go FAS Racing | Matt DiBenedetto | |
| 34 | Front Row Motorsports | Michael McDowell | |
| 37 | JTG Daughtery Racing | Chris Buescher | |
| 38 | Front Row Motorsports | David Ragan | |
| 41 | Stewart Haas Racing | Kurt Busch | |
| 42 | Chip Ganassi | Kyle Larson | |
| 43 | Richard Petty Motorsports | Bubba Wallace | |
| 47 | JTG Daughtery Racing | AJ Allmendinger | |
| 48 | Rick Hendrick | Jimmie Johnson | |
| 51 | Rick Ware | B.J. McLeod | |
| 72 | Mark Smith | Corey Lajoie | |
| 78 | Barney Visser | Martin Truex, Jr. | |
| 88 | Rick Hendrick | Alex Bowman | |
| 95 | Leavine Family Racing | Kasey Kahne | |
| 99 | William Woehlemann | Kyle Weatherman | |
