Estrucplan Consultora S.A.
- Argentine firm provides online information (with particular reference to Argentina) and services in environmental impact evaluation, safety and hygiene, liquid and gaseous effluents, solid waste, and other areas.
- http://www.estrucplan.com.ar/English/

Grupo EPA - A Engenharia Protegendo o Ambiente
- Describes capabilities, services, and past clients. Covers all environmental areas, including air pollution, liquid effluent treatment, and detection, investigation and remediation of soil and groundwater contamination. São Paulo, Brazil.
- http://www.grupoepa.com.br/ingles/index.htm