Is Ryobi a Home Depot brand? Not exactly. Ryobi is a Japanese manufacturing conglomerate. They introduced a line of power tools in 1968. In 2000, they sold their international tool operations to TTI and licensed their name to them. They retained the rights to make and sell Ryobi tools in Japan. They sold the Japanese tool business to Kyocera in 2018.
In North America, Home Depot and TTI have an exclusive agreement to sell Ryobi branded tools at retail only at Home Depot. The situation is different in other parts of the world.