Logitech is a Swiss-American peripherals maker producing computer mice, keyboards, webcams, headsets and gaming accessories for consumers and businesses around the world.
Corsair is a US gaming and PC hardware company making memory, power supplies, cooling systems, keyboards and headsets for gamers, builders and streamers, owned by EagleTree.
Razer is a Singapore and US-based gaming hardware company making gaming laptops, mice, keyboards and headsets under its triple-snake logo, popular among PC gamers and esports players.