Premise: Big Sky is a census-designated place (CDP) in Gallatin and Madison counties in southwestern Montana. As of the 2010 census it had a population of 2,308. It is 45 mi southwest of Bozeman. This unincorporated community straddles the two counties, is not considered a town, and has no town government. The primary industry of the area is tourism.
Hypothesis: Big Sky's primary industry is local government.