Sumitomo Mitsui Banking Corporation

Japan Post Bank Co., Ltd.

Shinhan Bank Japan

Maintenance, management and operation of renewable energy power generation facilities

Marketing, design, construction and administration of renewable energy power generation facilities

Leasing and trading of renewable energy power generation facilities

Electricity supply

Planning, execution, management and contracting of construction and public engineering works

Planning, execution, management and contracting of electrical equipment installation

Worker dispatch business

Special Construction Business, License the Governor of Tokyo No.147328

Public Engineering · Scaffolding Work, Earth Work · Stone Work

Steel Construction Work · Paving Work · Dredging Work

Coating Work · Water Facilities Work · Demolition Work

Qualifed Person for Energy Management

Professional Engineer (Electrical & Electronics)

Second Class Electric Chief Engineer

First Class Civil Engineering Works Execution Managing Engineer

First Class Building Operation and Management Engineer

First Class Electric Works Execution Manager

First Class Telecommunications Work Execution Manager

First Class Plumbing Work Operation and Management Engineer

First Class landscape Gardening Work Operation and Management Engineer

First Class Pavement Work Engineer

Chief Engineer for Water Supply Equipment Installation

Chief Engineer for Gravel Extraction

Managing Engineer (Civil Engineering)

Managing Engineer (Construction Engineering)

Managing Engineer (Electrical Work)

Managing Engineer (Telecommunications Work)

Managing Engineer (Plumbing Work)

Managing Engineer (Landscape Gardening)

First Class Electric Works Specialist

Second Class Electric Works Specialist

Water Purification Tank Installation Engineer

Quarrying Supervisor

Drainage Facility Engineer