NASCAR's Charter System has evolved since its founding in 2015. Below is a year to year guide following each of the 36 charter systems.
Green - Season Champion
Yellow - Business Change (Sell, Lease, Alliance)
Salmon - Internal Change
2015-2016 Seasons
2016-2017 Seasons
2017-2018 Seasons
2018-2019 Seasons
2019-2020 Seasons
2020-2021 Seasons
2021-2022 Seasons
Charters that have not had number or ownership changes from 2015-2022
#2 - Team Penske
#3 - Richard Childress Racing
#4 - Stewart-Haas Racing
#10 - Stewart-Haas Racing
#11 - Joe Gibbs Racing
#14 - Stewart-Haas Racing
#18 - Joe Gibbs Racing
#20 - Joe Gibbs Racing
#22 - Team Penske
#47 - JTG Daugherty Racing
Charters That Have Won The Most Championships
2015 /2019 #18 - Joe Gibbs Racing (2 Championships)
2021 #5/ 2019 #48 - Hendrick Motorsports (2 Championships)
3 Others - (1 Championship)