Verb
downselect (third-person singular simple present downselects, present participle downselecting, simple past and past participle downselected)
to narrow the field of choices, especially, to choose a supplier from candidates under consideration
We need to check with Quality Assurance before we downselect the test equipment vendor.
After a downselect, Boeing, Douglas, and Lockheed were given additional study contracts for the airframe, along with General Electric and Pratt & Whitney for the engines. Source: Internet
Following a downselect, four companies were asked to provide further developments. Source: Internet