The company I work for has some very intense trade secret and intellectual property in its HQ. If police, fire, medical were called and needed access to certain areas of the facility were this information was kept, can the company ask that them to sign an NDA before they leave? Is it different state to state? City to city?
You can not realistically ask municipal emergency responders to sign an NDA before entering your facility.
However, you can form your own police department, fire department, etc. It is your department, you can NDA the staff if you want. Negotiate with your municipality. I am sure they will be relieved to no longer be responsible for your facility.