GIGA-TECHS MOTORS
 1-20-7 Takita, Tsuchiura, Ibaraki
 Tel: 029-896-5083
 http://motors.giga-techs.com/

 SEED RACING
 562-8 Fujigaya, Kashiwa, Chiba
 Tel: 047-138-6340
 http://www.seedracingcar.com

 JUST BALANCE
 245-8 Kanamoricho, Moriyama, Shiga
 Tel: 077-582-8231
 http://www.rip-jb.com

 SCREEN
 9-1-17 Narita, Tomiya, Miyagi
 Tel: 022-348-3761
 http://www.screen-powers.net/main.html

 FUKUDA ENGINEERING
 2146-2 Otake, Hokota, Ibaraki
 Tel: 0291-32-8139
 http://fukudaeng.com/

 MARUMAN MOTORS
1-1-5 Hanakawaminamijujo, Ishikari, Hokkaido
Tel: 0133-77-6886
 http://www.maruman-motors.com/

 WANGAN
4-1-12 Fukuei, Ichikawa, Chiba
Tel: 047-395-5505
 https://www.wangan-spl.co.jp