Logitech is one of the most widely-known hardware companies in the gaming realm. Their gaming division produces mice, keyboards, mouse pads, headphones, streaming gear and more. Logitech sponsors the best teams and players in their respective games. They're even partnered with McLaren, one of the most successful Formula 1 racing teams in the history of the sport.
Unfortunately Logitech doesn't disclose their requirements or list their perks for sponsorships. But you can inquire about sponsorships by emailing GTeam@logitech.com.