Empresa concessionária do Sistema Municipal de Abastecimento de Água e de Drenagem de Águas Residuais do Município de Vila Real de Santo António.

Concessionary company of the Municipal Water Supply and Waste Water Drainage System of the Municipality of Azambuja.

Concessionary company of the Municipal Water Supply and Waste Water Drainage System of the Municipality of Figueira da Foz.

Concessionary company of the Municipal Water Supply and Waste Water Drainage System of the Municipality of Trancoso.

Concessionary company of the Municipal Water Supply and Waste Water Drainage System of the Municipality of Alenquer.

Concessionary company of the Municipal Water Supply and Waste Water Drainage System of the Municipality of Cascais.

Concessionary company of the Municipal Water Supply and Waste Water Drainage System of the Municipality of Gondomar.

Concessionary company of the Municipal Water Supply System of the Municipality of Batalha.

Concessionary company of the Multi-Municipal Water Supply System of the Municipalities of Carregal do Sal, Mortágua, Santa Comba Dão, Tábua and Tondela.

Concessionary company of the Municipal Water Supply and Waste Water Drainage System of the Municipality of Setúbal.

Concessionary company of the Carvoeiro-Vouga Intermunicipal System.

Concessionary company of the System of Water supply and of Waste Water Drainage of the Area of Jurisdiction of the APL - Lisbon Port Authority.

TRATAVE is a concessionary company of the Integrated De-Pollution System of the Ave Valley (SIDVA).