- SINANEN HOLDINGS CO., LTD.
- SINANEN HOLDINGS CO., LTD., a pure holding company of SINANEN Group, supervises the management and promotes “Energy Wholesale and Retail Business”, “Energy Solutions Business” and “Non-energy and Overseas Business”.
(As of October 1, 2015, the company's name has been changed to the current one from “SINANEN CO., LTD.” due to the transition to holding company after company split.)
- SINANEN ECOWORK Co.Ltd.
- Of the Sinanen group companies,Sinanen Ecowork is responsible for environmental projects such as recycling of waste wood and plastics. They sell the wood chips made at the Chiba Recycle Center and the Shiraoka Recycle Center as industrial boiler fuel,paper/construction material and biomass fuel across a broad spectrum of domains and contribute to the construction of a recyclable society.
- SIAA (Society of International sustaining growth for Antimicrobial Articles)
- The website of the Society of International sustaining growth for Antimicrobial Articles who engage in activities to promote better understanding of antimicrobial agents and products by even more consumers.
- JTETC (Japan Textile Evaluation Technology Council)
- The website of an industrial group comprising of over 200 companies including antimicrobial processing manufacturers,antimicrobial material manufacturers,apparel companies and processed material manufactures. JTETC's purpose is the voluntary control of textile products which have been antimicrobial/deodorant processed or antibacterial processed,as well as promote the popularization of such products.
- The Society for Antibacterial and Antifungal Agents
- This organization provides information and exchange for industries in relation to antibacterial and antifungal matters such as harmful microbes and prevention of their associated pollution,corruption,degradation and diseases.
- Yamamoto Trading
- Yamamoto Trading provides us with information on necessary related devices,etc.,when using irradiant agents,additives and pigments,with a focus on pigments of world-famous manufacturers.