Sure I understand the IP and HR concerns, but there are reasonable solutions for those concerns. What if corporations shared a labor and resource pool? For example what if clothing manufacturers shared a collection of resource facilities? What if car manufacturers shared a collection of process facilities? Thinking out loud is all...
Power utilities already do this (to a certain extent). No typical power utility has the manpower to respond to a major event, so they all have mutual aid agreements (to help one another).