do they manufacture any vehicles?
Yes. They developed the Toyota Production System to make the process smooth.
Toyota
Toyota has long been recognized as an industry leader in manufacturing and production. The result is the development of the Toyota Production System. 
who played superman in the tv series smallville Tom Welling what is it? It is an American superhero television series based on the DC Comics character Superman. for which television channel was it created? It was initially broadcast by The WB, later by The CW. who composed the music? Mark Snow were there any efforts on promoting it? Various measure were taken like teaming up with  Verizon to enable its registered users to view plot updates, quizzes and games; a tie-in with Toyota promoting the Yaris featured an online comic strip; the CW joined the manufacturers of Stride gum to give viewers an opportunity to create their own "Smallville" digital comic etc. who is that automobile company with whom there was a tie-in in order to promote the series? Toyota is the global market leader in sales of hybrid electric vehicles and hydrogen fuel-cell vehicles. how does their logo look like? It has three ovals that combine to form the letter "T", which stands for Toyota.
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Toyota [SEP] Operations
Toyota has long been recognized as an industry leader in manufacturing and production. The result is the development of the Toyota Production System. Three stories of its origin have been found, one that they studied Piggly-Wiggly's just-in-time distribution system, one that they followed the writings of W. Edwards Deming, and one that they were given the principles from a WWII US government training program (Training Within Industry). As described by external observers of Toyota, the principles of the Toyota Way are: Toyota has grown from its origins in Japan during the 1930s to become a large multinational corporation. It displaced GM and became the world's largest automobile maker for the year 2008.