• Ebara Corp.
• Hitachi Zosen Corp.
• Ishikawajima-Harima Heavy Industries Co., Ltd. (IHI)
• Kawasaki Heavy Industries, Ltd. (delivered Japan's largest RDF plant)
• Kobe Steel. Ltd. (Kobelco)
• Kubota Corp.
• Mitsubishi Heavy Industries, Ltd. (Yokohama R&D Center)
• NKK (Now JFE) (Merged with Kawasaki Heavy Industries, Ltd.)
• Sumitomo Metal Industries, Ltd.
• Takuma Co., Ltd. (delivered Japan's oldest plant)

2. WTE facilities (some pages are in Japanese) :

Hokkaido:

• 13 facilities operated by
  Sapporo City Government

Tohoku:

• 11 facilities operated by
  Sendai City Government

Kanto:

• 20 facilities operated by
  Tokyo Metropolitan Government

• Waste and Recycling in Tokyo new!

• See also "The Environment in Tokyo" new!

Chubu:

• Gozyogawa facility operated by
  Nagoya City Government

Kansai:

• 11 facilities operated by
  Osaka City Government

Chugoku/Sikoku:new!

• 5 facilities (Naka, Minami, Asa-minami, Asa-kita, and Saeki) operated by
  Hiroshima City Government new!

• Information of the Naka WTE plant (news and article: Beauty in Garbage) new!

Kyusyu:

• 20 facilities operated by
  Fukuoka City Government

Okinawa:

• Naha-Haebaru facility operated by
  Naha City Government