Eltec Service Co., Ltd.

1961: Founding of Kofu Truck Transportation Co., Ltd.

Founded by individual entrepreneur Kunihiro Nakamura

1965: Founding of EcoWorks Co., Ltd.

Founded Maruchu Transport Co., Ltd. Started transportation business focusing on fruit and vegetable transport

Founded construction business

Started concrete foundation piling work

Founded Kofu Truck Transport Co., Ltd.

Founded Maruchu Kogyo Co., Ltd.

Started waste recycling business at Maruchu Kogyo Co., Ltd. Ichinomiya Plant in Kokubun, Ichinomiya Town. Started incinerator operation

1991: Founding of Eltech Service Co., Ltd.

Maruchu Kogyo Co., Ltd. renamed to Maruchu Kensetsu Kogyo Co., Ltd.

Maruchu Kogyo Co., Ltd. Ichinomiya Plant transferred to Maruchu Kogyo Co., Ltd.

Special legislation enacted by the National Diet for the Aum Shinrikyo case. Received contract to remove remaining items from Aum Shinrikyo facilities: headgear, initiation drink, computers, books, videos, etc. All processed by incineration (recycling prohibited).

Renamed Maruchu Kogyo Co., Ltd. to Eltec Co., Ltd. (Eco Recycle Techno Plant Center)

Maruchu Kensetsu Kogyo Co., Ltd. contracted to demolish Aum Shinrikyo facility (Fourth Upper Nine). Demolished ramen factory and computer factory.

Renamed to Maruchu Co., Ltd.

Maruchu Co., Ltd. contracted to demolish and remove Aum Shinrikyo facility (7th Satian). Demolished sarin factory, handled OPCW case. *OPCW: Organization for the Prohibition of Chemical Weapons*

Marunaka secured the large-scale factory demolition project in Kofu City.

Maruchu Co., Ltd. and Kofu Truck Transport Co., Ltd. changed representative directors to Kunihiro Nakamura

Enhanced waste incineration facility (8.16t/day). 24-hour operation of incinerator commenced.

Marunaka Co., Ltd. renamed to EcoWorks Co., Ltd.

Group name changed to Eltek Group.

EcoWorks contracted the demolition of the former Otsuki Toru waste facility. Equipment expansion for demolition work commenced.

Established an industrial waste disposal site in Minami Alps City (Minami Alps office).

Yamanashi Prefecture Housing Division began procurement using the new "comprehensive evaluation method". EcoWorks contracted the demolition of Yumesu Danchi Building 10 & 11. Continued to accumulate public works achievements.

Expanded crane and steel plate leasing division.

Minami Alps City began operation of a plant facility focused on sludge incineration.

Obtained special construction business license.

Yamanashi Prefecture Public Works Department contracted the demolition of the Prefectural Information Plaza (formerly Seibu Department Store). Accumulated large-scale demolition achievements.

Yamanashi Prefecture Public Works Department contracted foundation piling work for Fuefuki High School construction.

Contracted demolition of a high school building in Kofu City. Continued to accumulate school facility demolition achievements.

Great East Japan Earthquake.

Kofu Truck Transport began leasing a store for Sagawa Express Koshū branch.

Ceiling panel collapse incident at the Sasako Tunnel on the Chuo Expressway; partially handled operations.

Explosion and fire at the waste stockpile site. Subsequently strengthened digestion facilities.

Contracted processing of ceiling panels at the Sasako Tunnel on the Chuo Expressway.

Chairman Kunihiro Nakamura's 50th anniversary of business founding.

Yamanashi Prefecture Public Works Department contracted demolition of the Prefectural Office boiler room and other facilities.

Commencement of operation of a 250 kW power generation unit utilizing incineration heat.

During the heavy snowfall disaster in Yamanashi, our group carried out snow removal with all available resources.

Contracted for the demolition of a large private commercial facility: also contracted for Chubu Intercity Road related works.

Contracted for the demolition of the Kofu Ginza Building.

Contracted for the demolition of the Hayakawa Bridge.

Upgraded the power generation unit to 500 kW.

Contracted for the demolition of the Fufuki City Ionomiya Welfare Hall.

Nakamura Yoshinobu appointed as representative director.

Expanded the waste incineration facility (156.6 t/day).