Toshiaki Iwaoka

Suzuyo Shoji Co., Ltd. operates as an oil and energy trading company. It specializes in the operation of petroleum bulk stations and terminals, and energy resources. The firm’s products encompass crude oil, liquefied petroleum gas, and lubricants. Its business activities also include electricity and power generation and distribution; energy systems equipment development, sales, and maintenance; solar power systems development; greenhouse gas emission rights sale; and bottled water manufacturing and distribution. The company was founded in 1990 and is headquartered in Shizuoka, Japan.

Suzuyo Kosan Co. Ltd. provides real estate management and leasing services. The private company is based in Shizuoka, Japan. The Japanese company was founded in 1993. The CEO is Takashi Hayashi.

Kashiwa Kogyo KK supplies high-quality aggregates for various construction projects such as schools, roads, railways, ports, airports, and dams. Kashiwa Kogyo KK is based in Chiyoda-Ku, Japan. The Japanese company focuses on crushing and classifying natural resources to produce crushed stone that is suitable for basic construction materials.