https://eco-web.com/cat/index.html

The Green Pages Directory for Environmental Technology is an online information resource that lists international businesses and organizations that supply products and services which can remedy environmental problems, with 7000 suppliers from around 150 countries, presenting a forum to explore clean and sustainable technologies, to share knowledge and experience, and exchange best environmental practices. A practical reference source for government departments, utility companies, engineering consultants, development agencies, importers and traders, educational institutes, non-governmental organizations and individuals engaged in environmental activities.  The current edition of Green Pages is structured into 10 main chapters with a total of 80 sub-classifications. Select any chapter to display the relevant categories. Subsequent clicks will display an alphabetical list with contacts in the respective field.