Birmingham, Alabama is listed here with 0 buildings and 0 available office lots. Zero is a statement about coverage rather than about the city itself: the page works as an entry point for enquiries while the Birmingham market is being surveyed, so it should be read as a request line and not as an empty shortlist.
Office demand in Birmingham concentrates in the downtown core, in the UAB medical and research district beside it, and along the highway corridor running south-east into the suburbs — and none of those submarkets is represented among the 0 published addresses. The absence of a Birmingham listing for a given corridor therefore carries no information about what is actually leasable there.
With 0 lots on the page, there is no size band and no asking-rate reference to work from in Birmingham, which makes a written brief the faster route: headcount, target corridor, required area in m² and move-in date. Requirements sent that way for Birmingham are matched against stock that has not been published to this page, so a shortlist comes back instead of being assembled from it.