2015
PPP – Services for the collection, treatment and final destination of solid waste, Aparecida de Goiânia, GO
2013
PPP – Floods control system of reservoirs in the metropolitan region of Sao Paulo – DAEE, State of São Paulo
2010
PPP – Sewage treatment system of Santos / São Vicente, and Praia Grande – Sabesp, State of São Paulo
2010
PPP – Sanitary sewage system of the river basin of Sorocaba – Médio Tietê – Sabesp, State of São Paulo
2010
PPP – Water supply systems and sewage from of the North Coast – Clean Wave program – Sabesp, State of São Paulo
2009
Studies for the Implementation of the São Paulo Ducts Network. (Transportation of Alcohol) – State of São Paulo
2009
Studies for the recovery, Modernization, and Extension of the Road Network – DER, State of São Paulo
2002
Concessions of services for the collection and treatment of solid waste – Fortaleza, CE
1993
Highway Concession of Anchieta/Imigrantes and Anhanguera/Bandeirantes – First Study – São Paulo State