even tiny little light industrial shops have an ongoing conversation and yearly inspection with the fire department about doors, locks, stairs, extinguishers, chemicals, flammables, aisles, accessibility, sprinkler coverage, signage, bottled gas storage, electrical, etc. etc.

as a solo operator its a huge pita. I do appreciate that these people are putting their lives at risk, so I suck it up (don't have much of a choice actually)

This is correct.

Departments will develop “pre-plans” for any large buildings, industrial buildings, etc.

True, you can’t have a factory explosion [1] without factories.

[1] https://en.wikipedia.org/wiki/West_Fertilizer_Company_explos...

Politically Texas attempts to avoid regulating industries. I don't believe that it is unreasonable to consider if the area in which the factory is being built may not have the strongest requirements and preparations by the local emergency services.