ABB - Energy Ventures - Asea Brown Boveri Ltd.;

CBE - Equipment Brazilian Company;

CESP - São Paulo State Energy Company;

CETREL - Liquid Effluents Central Treatment;

Copersucar União;

COPESUL;

CRA - Environmental Resources Center- Salvador Bahia;

Crylor - Rhodia;

CVRD - Vale do Rio Doce Company;

FEAM - Environment State Fundation;

Ford Motor Company- RGS;

IETEC- Technological Education Institute- MG;

Jaakko Pöyry Engineer Ltd.;

Marubeni of Brazil - Japan;

Millenium-Camaçari;

PETROBRAS;

MONSANTO;

São Paulo State Green and Environment SVMA-SP;

Riograndense Siderurgy Company- Gerdau Group;

Villares;

Votorantim.