 And fifth, the government "ignored the traditional paradigm of only permitting companies with significant previous experience in water supply and sanitation to compete in the bidding process".This provision had favored a few large multinational water firms in other bidding processes.In Salta, however, the bid was won by the Argentinean construction, power and toll road enterprise MECON S.A. which signed a technical assistance contract with the Brazilian Paraná State public utility SANEPAR.