In a scenario with no weapon ownership laws, how would governments maintain control and order against heavily armed corporations?

Why can’t we all just feel absolutely glamorous and so revived?
Why do some people still bother me even after getting law enforcement involved?
What would it actually take for the U.S. to stop Iranian missile and drone attacks, and why is it such a challenging task?
Could a corporation owning military weapons and a private army actually help reduce piracy and other threats more effectively than government forces?