Ryobi power tools are manufactured by Techtronic Industries (TTI), a Hong Kong-based multinational company. TTI acquired Ryobi's North American power tools business in 2000 and its European power tools business in 2001-2002. Since then, TTI has been producing Ryobi power tools under a licensing agreement with Ryobi Limited, the original Japanese company founded in 1943. Ryobi Limited itself now focuses on other industries such as automotive components and printing equipment, while TTI handles the Ryobi power tools brand globally, especially for markets like North America and Europe

. TTI is also known for owning other tool brands like Milwaukee, Homelite, and RIDGID. Ryobi tools are popular for their affordability and reliability, catering mainly to DIY enthusiasts and homeowners, with a wide product range including drills, saws, and lawn care equipment

. In summary:

• Ryobi Limited is the original Japanese company.
• Techtronic Industries (TTI) manufactures and markets Ryobi power tools under license.
• TTI acquired Ryobi's power tools business in North America and Europe around 2000-2002.
• Ryobi tools are widely available at retailers such as Home Depot, Amazon, and Walmart