[junar]

"Below are groups who supported the Open Source Lab through annual contributions of $25,000 or more during fiscal years 2019 and 2020."

It seems that all of them have contributed financially (though of course, it's unclear which ones do so at present).

[nl]

"annual contributions of $25,000"

I think includes hardware/service contributions (eg the IBM hardware and the bandwidth suppliers). It's a bit unclear though.