Of those, only Envoy is worth considering. Things change in this business fairly quickly.

If you remain living in San Antonio, you will be commuting no matter what. It is either a driving commute or a flying commute. And, you really can't drive 4 or 5 hours to get to base.

SkyWest has warm weather bases in Arizona if you decide to move and don't want to live in the frozen tundra, and you also don't want to live in California. I would go with SkyWest if I were you.