I'd suggest that you use this communication tool and select Sponsorship request from the drop-down at the bottom of the form. That should get you in touch with the correct department at HP, the fastest.
Nice to hear Esports kicking off everywhere. My high school recently opened an Esports club as well.
I am currently preoccupied with both academic and professional priorities so please note that there may be a delay in my responses. Thank you for your understanding.
You can show your appreciation for my post by clicking the blue thumbs up icon.