Tokai Holdings Corp is engaged in miscellaneous business operations. The scope of its activities includes energy, residential real estate and cable television. The energy business relates to the sale of liquefied petroleum gas, liquefied natural gas, oil products, high-pressure gas such as oxygen and nitrogen. The real estate division is responsible for the construction and design of residential buildings and stores. The communication division is engaged in software development, information processing service, optical fiber leasing, data transmission, and the sale of asymmetric digital subscriber line.