

Manufacturer: Toyota
Engine: Toyota Racing Development
Driver-crew chief pairings: Bubba Wallace-Mike Wheeler (No. 23)


Manufacturer: Chevrolet
Engine: ECR Engines
Driver-crew chief pairings: Daniel Suarez-Travis Mack (No. 99)


Manufacturer: Ford
Engine: Roush Yates Engines
Driver-crew chief pairings: B.J. McLeod-crew chief not yet named (No. 78)


Manufacturer: Chevrolet
Engine: ECR Engines
Driver-crew chief pairings: Corey LaJoie-Ryan Sparks (No. 7); Multiple drivers (Jamie McMurray among them)-Kevin Bellicourt (No. 77)


Manufacturer: Chevrolet
Engine: Hendrick
Driver-crew chief pairings: Ryan Preece-Trent Owens (No. 37), Ricky Stenhouse Jr.-Brian Pattie (No. 47)


Manufacturer: Ford
Engine: Roush Yates
Driver-crew chief pairings: Michael McDowell-Drew Blickensderfer (No. 34), Anthony Alfredo-Seth Barbour (No. 38)


Manufacturer: Chevrolet
Engine: ECR Engines
Driver-crew chief pairings: Erik Jones-Jerry Baxter (No. 43)


Manufacturer: Ford
Engine: Roush-Yates
Driver-crew chief pairings: Ryan Newman-Scott Graves (No. 6), Chris Buescher-Luke Lambert (No. 17)


Manufacturer: Ford
Engine: Roush Yates Engines
Driver-crew chief pairings: Matt DiBenedetto- Greg Erwin (No. 21)


Manufacturer: Chevrolet
Engine: ECR Engines
Driver-crew chief pairings: Austin Dillon-Justin Alexander (No. 3); Tyler Reddick-Randall Burnett (No. 8)


This includes: @StarcomRacing, @GauntBrosRacing, @RickWareRacing, @KauligRacing, @MBMMotorsports and @BeardMotorsport


Manufacturer: Chevrolet
Engine: Hendrick Motorsports
Driver-crew chief pairings: Kurt Busch-Matt McCall (No. 1), Ross Chastain-Phil Surgen (No. 42)


Manufacturer: Ford
Engine: Roush Yates
Driver-crew chief pairings: Kevin Harvick-Rodney Childers (No. 4), Aric Almirola-Mike Bugarewicz (No. 10), Chase Briscoe-Johnny Klausmeier (No. 14), Cole Custer-Mike Shiplett (No. 41)


Manufacturer: Toyota
Engine: TRD
Driver-crew chief pairings: Denny Hamlin-Chris Gabehart (No. 11), Kyle Busch-Ben Beshore (No. 18), Martin Truex Jr.-James Small (No. 19), Christopher Bell-Adam Stevens (No. 20)


Manufacturer: Ford
Engine: Roush Yates Engines
Driver-crew chief pairings: Brad Keselowski-Jeremy Bullins (No. 2); Ryan Blaney-Todd Gordon (No. 12); Joey Logano-Paul Wolfe (No. 22)


Manufacturer: Chevrolet
Engine: Hendrick Motorsports
Driver-crew chief pairings: Kyle Larson-Cliff Daniels (No. 5), Chase Elliott-Alan Gustafson (No. 9), William Byron-Ryan Fugle (No. 24), Alex Bowman-Greg Ives (No. 48)
