Mugen Motorsports was created in 1973.
Mugen Kigen was created in 2007.
Mugen Power was created in 1979.
Speedway Motorsports was created in 1994.
Chastain Motorsports was created in 1997.
JR Motorsports was created in 2002.
McCormack Motorsports was created in 1996.
TriStar Motorsports was created in 1989.
JD Motorsports was created in 2002.
Innovative Motorsports was created in 1998.
PPI Motorsports was created in 1979.
Hover Motorsports was created in 1992.
Ultra Motorsports was created in 1994.