| COUNTRY | EHS NAME | PARENT INSTITUTION |
| Argentina (a) | Department of Environmental Health | Ministry of Health and Social Action |
| Botswana (b) | Environmental Health Unit | Ministry of Health |
| Brazil (b) | Department of Policy and Environmental Evaluation | Ministry of Environment, Water Resources and Legal Amazonia |
| Chile (a) | Environmental Health Division | Ministry of Health |
| Colombia (a) (Atlantic Gov.) | Environment and Health Division | Atlantic Health Administrative Department |
| Costa Rica (a) | Directorate of Human Environment Protection | Ministry of Health |
| Dominican Republic (a) | General Directorate of Environmental Health | State Secretary for Public Health and Social Service |
| Egypt (b) | Department of Environmental Health | Ministry of Health and Population |
| Indonesia (b) | Directorate of Environmental Health | Ministry of Health |
| Ireland (e) | Department of the Environment and Local Government | Ministry for the Environment, Heritage and Local Government |
| Mexico (a) | General Directorate of Environmental Health | Secretary’s Office of Health and Social Service |
| Morocco (f) | Department of the Environment | Ministry of Energy, Mines, Water and Environment |
| Panama (a) | Assistant General Directorate of Environmental Health | Ministry of Health |
| Peru (a) | General Directorate of Environmental Health | Ministry of Health |
| Philippines (b) | Environmental Health Service | Department of Health |
| Portugal (d) | Portugal Environmental Agency | Ministry of Environment and Territorial Arranging |
| Puerto Rico (a) | Auxiliary Secretary’s Office for Environmental Health | Department of Health |
| United States (c) | Environmental Protection Agency | Federal Government |