Sabesp is seeking companies to provide services in various areas including bill collection, equipment maintenance and sludge disposal.
The telco's merger with Alestra and its participation in the group that won the wholesale 4G network project were some of the industry highlights over this past year.
Brazil's largest engineering conglomerate Odebrecht is the overwhelming leader in payments due.
Despite concluding almost US$3bn worth of asset sales in December, Brazil's state-run oil company has fallen US$1.5bn short of its divestment target for 2015-16.
Foreign investment in the sector will be able to increase from 25 to 49%.
Colombia's national oil company says the proceeds will help it strengthen its balance sheet and drive growth.
The oil and gas sector represents over 38% of the bank's equity portfolio, but generated 78.5bn reais in losses up until September.
The plans include the concession of highway operations and basic water and sanitation services.
The Minas Gerais state water utility has outlined investments under its plan for 2017-21.
The government has put together a portfolio of US$33bn in infrastructure projects, as President Pedro-Pablo Kuczynski seeks to upgrade roads, railways, ports and airports.