I thought of Steam, but didn't think of it enough to write it out properly since I was focusing on console-makers. I suspect...
1-Nintendo
2-Sony
3-Steam
...then these three companies in the poll battle for #4-6 instead of #3-5.
O P E R A T I O N O U S T :
Nominate SHEIK!
https://i.imgur.com/OpudFxm.jpg