Rebuilding Texas - Highest Priority Resources?

[Olefin]

oil first for sure - getting production going again of lubricants and diesel fuel is key and the reason Texas is vital to US interests

after that getting food production going again - again oil can be used to get tractors moving again, making large scale farming possible

as for housing - there should be lots of building materials available to use for housing even if you have to scavenge them from damaged buildings