http://www.sykart.com

BSH Racing's Home Track in Tigard, OR

 http://www.patsacres.com

An outdoor track in Canby, OR. Hosts the Columbia Sportswear Series.

 http://www.racingschools.com

Puts on both the IKWC, and the AZIKC

 http://www.indoorkartingworldchampionship.com

(IKWC) Premier Indoor Karting event, held at F1 Race Factory in Phoenix, AZ

 http://www.portlandkarting.com

Website for the Oregon State kart Championship Series. 

 http://www.f1racefactory.com

Indoor track in Phoenix, AZ that hosts both the AZIKC and the IKWC