Heavy Industries LTD
Yotsubishi is a very famous electrical company in Japan.
Akira's Pyramid Party encountered many large heavy machines manufactured by Yotsubishi at B4 below the Pyramid. They were used to generate enough energy for SPIRAL scientists to conduct experiments on extinct animals.
Tower of Death arc
Akira's Death Tower Party encountered cars inside the last tower, and one of the cars were made by Yotsubishi.
- Yotsubishi name is most likely refrence to real world company called Mitsubishi, which along side of name and logo similarity, it also have heavy industry and car production devisions