The following manufacturers have been added to AllCarIndex.com

- JPR (USA)
- Karl Kustom Corvettes / KKC (USA)
- Kinetic Vehicles (USA)
- Kit Car Designs (USA)
- Kitzkrieg (USA)
- Kokopelli (USA)
- Kooblekar (USA)
- Kreative Rodwerks (USA)
- Kwiker Cars (Canada)