- Rebel Rocketry:
Rebel are based in the Netherlands and sell a large range of rocket kits, parts, solid rocket motors, hybrid rocket motors, electronics, ground support and other bits which HPR flyers may use.
- SpaceTec Rocketry:
SpaceTec was established in 1996 and is importing a vast selection of model rocketry products for medium- and high power rocketry. They are based in Switzerland and is run by Juerg Thuering who has been active in rocketry for many many years.