Yazaki Group deals in a wide range of products closely related to people's lives, including air conditioners, solar appliances, gas appliances, electric wires, and automotive components, mainly wire harnesses and electronic parts (for vehicles).

Company established in Nakaizumi, Iwata-shi, Shizuoka, under the private ownership of Hiroyoshi Yazaki for the purpose of producing and selling plastic products.

Among those “too poor” to make the list is Japan's Yazaki family, worth an estimated $3.1 billion.