- Canada – https://crya.ca/
- USA – https://www.theamya.org/
- UK – https://mya-uk.org.uk/
- Australia – https://www.radiosailing.org.au/
- New Zealand – http://www.nzradioyachtingassociation.co.nz/
- IRSA – https://www.radiosailing.org/
- Malta – http://www.mmba.moonfruit.com/
IOM
- IbexTrax – Seattle Model Yacht Club
- IOMICA – IOM International Class Association
- IOM Boat Designs and builders