Shameless self-promotion here; but I think it meets your requirements. Hexafarms ( https://hexafarms.com/ )- an indoor farming startup which can match a throughput that will enable us to grow food in the urban pockets at an efficiecy between 10-200x (depending on what you're meauring). The website is a bit flashy and not very detailed. Also it is only this month I'm gonna be working ~full time hours on it. Here's why…
Link that works: https://hexafarms.com/ Do you have any images of how the setup would look? Also: > A empty single-floor 2000 sq. ft. space can produce ~200k KGs of produce. Per which unit of time?
In the coming weeks I'll add pictures too.