It seems that it's common practice on phoronix to list the employer of the person submitting the patch. I found a few examples where Intel, Google, and Amazon are all mentioned

[1] https://www.phoronix.com/scan.php?page=news_item&px=Intel-Bu...

[2] https://www.phoronix.com/scan.php?page=news_item&px=Google-Z...

[3] https://www.phoronix.com/scan.php?page=news_item&px=L1d-Cach...