TEL's corporate values include placing the highest priority on people's health and safety and taking the global environment into account when planning and conducting business activities. TEL actively promotes environmental preservation activities with the goal of achieving prosperity that is harmonious with the global environment while remaining a company that is trusted by all people involved in business. At the same time, TEL engages in business activities that place the highest priority on the health and safety of everyone involved in the company's business.

Conscious of its position as a member of society, TEL seeks to contribute to the development of a flourishing society.