| Koei Unyu Kiko Co., Ltd. established.
Trade name changed to Koei Logics in 1991.
|Koei Sogyo Co., Ltd.established.
|NS Clean Co., Ltd.established.
|NK Kankyo Corp. created by merging the above-mentioned three companies.
|Ogishima Incineration Plant began operations.
|Acquired ISO 14001 certification.
|Mizue Incineration Plant began operations.
PVC Recycling Plant
Fukuyama Incineration Plant began operations.
|Sendai Plastic Recycling Plant began operations.
|Kawasaki PET Bottle Recycling Plant began operations.
|Company name changed to JFE Kankyo Corporation.
|Kawasaki Can and PET Bottle Recycling Plant began operations.
|Tsurumi Fluorescent Lamp Recycling Plant began operations.
|Business succession of Ogishima Incineration Plant, Fukuyama Incineration Plant, Fukuyama Landfill Disposal Site.
|Plastic Recycling Business began.
(relating to the Containers and Packaging Recycling Law, etc.)
|Yokohama Clean Resource Recycling Plant began operations.
Sendai Clean Resource Recycling Plant began operations.
|Chemical Works expanded.
(waste liquid bio treatment and waste oil incineration)
|JFE Kankyo Logitech Corp. established as one of group companies of JFE Kankyo Corp.
|Fukuyama RPF Plant began operations.
|Business transfer of Sendai Business Division to Shinko Recycle Corp.
|Transfer of container recycling business to JFE Plastic Resource Corp. (100% owned by JFE Steel Corp.)
|Fukuyama Fluorescent Lamp Recycling Plant began operations.
|Shares of NS-Yushiro Co., Ltd. were acquired and the company became one of the JFE Kankyo Corp. group companies.
Business tie-up contract with Takeei Co., Ltd. was signed.
|Yokohama Plastics Recycling Plant of Recycling Management Japan, Inc. is absorbed and split.
NS-Yushiro Co., Ltd. is bought out.
Yokohama Eco Clean began operations.
|Fukuyama Plastic Material Recycling Plant began operations.
|Began Low-Concentration PCB Waste Detoxification business.
|JFE Kankyo Logitech Corp. is bought out.
|Began contaminated soil transshipment, storage, and shipment business.
Contaminated Soil Distribution Center Yokohama began operations.
|Integrated with Japan Recycle Corp.
JFE Urban Recycle Corporation became subsidiary.
|West Japan Sector Pallet Plant began operations.
|Integrated with Shinko Recycle Corp.
|JFE Kankyo Corporation merged with Tokyo Waterfront Recycle Power Co., Ltd.
J&T Recycling Corporation established.