Actually many big name companies do contribute a lot to open source. Few Examples: https://www.linuxfoundation.org/about/members https://www.linuxfoundation.or

Actually many big name companies do contribute a lot to open source. Few Examples: https://www.linuxfoundation.org/about/members https://www.linuxfoundation.org/about/members https://openjsf.org/members https://openjsf.org/members https://www.python.org/psf/sponsors/ https://www.python.org/psf/sponsors/