The Inland Empire is Riverside and San Bernardino counties, tied together by the I-10, I-15, SR-60, SR-91, and I-215 freeways, and people still search it one city at a time.
A homeowner in Redlands and a warehouse manager in Ontario have little in common, and Google treats them as different searches.
Housing runs from warehouse-adjacent tracts to older lots in central Riverside and San Bernardino to new planned communities further out, so the same service reads differently from one exit to the next.
Zillow, CRMLS, and Realtor.com hold the broad home-buying searches, and an owner-led firm will not outrank them. Brokers work under California DRE broker licenses and contractors under CSLB contractor licenses, and those belong on your pages as yours.