The council received proposals from six companies seeking the tender for the Omarama, Otematata, Kurow and Hampden transfer stations.
They included the council-owned Whitestone Contracting and community-owned Waitaki Resource Recovery Trust.
Delta won the contract with a bid of $325,138 a year, less than the $356,360 which the council had budgeted.
Council chief executive Michael Ross said proposals were evaluated on a number of criteria, including price, and Delta's was determined to be the best value for money.
"It is a great outcome for the community, providing an increased service at a lower than expected price," he said.
Recycling facilities would be provided and material would be taken to the Waitaki Resource Recovery Park in Oamaru.
Green waste would be stored at the sites and mulched annually.
Mr Ross said there were further opportunities to reduce the costs of the transfer stations, including reducing hours.
The options would be discussed with the Ahuriri and Waihemo Community Boards before any decisions were made, he said.
