To my understanding, at least for the public sector, is that the government will post a project. Organizations will then place 'bids' (that includes their contr

To my understanding, at least for the public sector, is that the government will post a project. Organizations will then place 'bids' (that includes their contractor's price, time to complete the project, a general plan for how the project will be completed), and then the government will choose one of the bids.