I'm looking for a word that describes the entire region of land on which a company or organization resides. For example:
"Make sure to not smoke any cigarettes while on Boeing's ___!"
I've heard the term campus being used to this effect, but this has the inherent problem of being ambiguous: is Boeing perhaps a university, then?
Are there any alternatives? Headquarters isn't the connotation I'm necessarily trying to convey, and the phrase "Boeing's grounds" just sounds awkward.