- Starchaser

- Picasawbb, (Danmark)

- Masten space system

- S.D.S.U

- RocketRelice

- RocketMoonLight

- Rocketengineworks

- Watzlavick rocketblogg

- RandysRockets

- Nortonsalesinc

- NakkaRocketry

- MCmaster

- Maxentropy

- Lunar

- LiquidTransFill

- Cryo/SWE

- Jet-pack

- Jet-Hot

- Koppar,hållfastighet/SWE

- Hotmotor

- Garvspace

- Flometrics

- Pyroinnovation

- Cryofabhomecare

- E-lab

- Chart-Ferox

- BuyFittingsOnline

- Beyond Earth

- ASA-houston

- Liquid Propulsion

- CopenhagenSuborbitals

- TrueZero

- GrollAeroSpace

- DynamicPropellant

- ComCast

- Celestialmechanics

- iain-finer