The Treasure Valley is the growth story. Boise, Meridian, Nampa, Caldwell, Eagle and Kuna have absorbed a decade of in-migration, which means new construction and pretreatment volume, property management and HOA accounts, and enough route density that a company can run efficiently for the first time in its life. It is also where competition is heaviest and where commercial certificate requirements start looking like the ones you would see in a bigger state.
The Magic Valley around Twin Falls and Jerome is dairy, feedlot and food processing country, and the pest control there is a commercial services business wearing the same uniform. Fly programs, rodent management around feed, and facility work under customer audit standards. Eastern Idaho through Idaho Falls, Pocatello, Rexburg and Chubbuck mixes agriculture with the national laboratory and university accounts, and the winters are long enough to reshape the service calendar.
North Idaho behaves like a different state. Coeur d'Alene, Post Falls, Hayden, Sandpoint and Moscow sit in timber and lake country, with carpenter ants and dampwood termites in wood-frame construction, wildland-urban interface property, seasonal and second-home accounts, and drive times that make a single service call an afternoon. An operator running both ends of Idaho is running two businesses out of one license.