Toyoda Machine Works, Ltd. is a supplier to Toyota. They manufacture and sell machine tools and auto parts. Founded May 1941. They are 24.98 percent owned by Toyota and employ 4,252 people. Hope this answers your question.
Toyota Motor Corporation was founded by the Toyoda family. The word “Toyoda” uses ten Japanese strokes to write while “Toyota” uses only eight. Eight is considered a lucky number in Japanese culture. For these reasons "Toyota" was chosen as the company's name.