External Evaluations
ESG-Related Evaluations
CDP
CDP is an international NGO that conducts activities to encourage disclosure of environmental information such as climate change and water security. In the FY2024 assessment, Zeon received a B rating for climate change and also a B rating for water security.
EcoVadis
EcoVadis assesses the sustainability performance of more than 150,000 organizations and companies in more than 185 countries worldwide in four areas: Environment, Labor & Human Rights, Ethics, and Sustainable Procurement. In the 2025 assessment, Zeon received a Bronze rating, awarded to the top 35% of assessed companies.
Certified Health & Productivity Management Outstanding Organization
The Certified Health & Productivity Management Outstanding Organizations Recognition Program is a program established by the Ministry of Economy, Trade and Industry and the Nippon Kenko Kaigi. It recognizes enterprises that practice excellent health management, with a focus on addressing local health issues and health initiatives led by the Nippon Kenko Kaigi. Zeon has been recognized as a Certified Health & Productivity Management Outstanding Organization for seven consecutive years.
Inclusion in ESG indices
S&P/JPX Carbon Efficient Index
This is an ESG index jointly developed by S&P Dow Jones Indices and the Tokyo Stock Exchange. It targets companies included in the TOPIX index and determines the weighting of each company based on their level of environmental information disclosure and carbon efficiency. Zeon has been selected as one of the constituents of this index. This index is one of the ESG indices adopted by Japan’s Government Pension Investment Fund (GPIF).
MSCI Japan Empowering Women Index (WIN)
It is a stock price index developed by MSCI in the United States and is constructed by selecting companies that have high gender diversity scores and actively promote women's participation, based on information disclosed under the Act on the Promotion of Women’s Participation and Advancement in the Workplace. Our company has been selected as a constituent of this index. The index is one of the ESG indices adopted by the Government Pension Investment Fund (GPIF).
Morningstar Japan ex-REIT Gender Diversity Tilt Index (GenDi J)
This index was established by U.S.-based Morningstar, using the data and scoring methodology of Equileap. It emphasizes companies that have strong gender diversity policies embedded in their corporate culture and that ensure equal opportunities to employees, irrespective of their gender. Zeon has been selected as one of the constituents of this index. This index is one of the ESG indices adopted by Japan’s Government Pension Investment Fund (GPIF).