Sector
Utilities
Industry
Renewable Utilities
Employees
271
First IPO Date
March 04, 2005
| Name | Title | Pay | Year Born |
| Tomotada Shimazaki | Chief Executive Officer, President & Representative Director | 0 | 1962 |
| Hisashi Koike | MD & Director | 0 | 1961 |
EF-ON Inc. operates as a specialized energy service company (ESCO) within Japan. Its core business involves delivering energy-saving solutions by enhancing and optimizing various types of equipment, including heating and hot water systems, compressors, refrigeration units, air conditioning installations, and lighting fixtures. In addition to these efficiency services, the company is also active in the biomass power generation sector. EF-ON Inc. was established in 1997, with its headquarters located in Tokyo, Japan. It previously operated under the name The First Energy Service Company Limited, before officially changing to EF-ON Inc. in October 2016.