It's called corporate members https://wiki.osmfoundation.org/wiki/Corporate_Members https://wiki.osmfoundation.org/wiki/Corporate_Members Goes from 750 Euro per

It's called corporate members https://wiki.osmfoundation.org/wiki/Corporate_Members https://wiki.osmfoundation.org/wiki/Corporate_Members Goes from 750 Euro per year up to 30.000 per year. Those prices were raised in 2023. (disclaimer: I work for a silver sponsor)