ɪn dᵻsˈɛmbɚ tˈuː θˈaʊzənd fˈoːɹ, ˈɔːl wˈɛstbəs ɹˈaʊts ˈɑːpɚɹˌeɪɾɪŋ ˌaʊɾəv nˈɔːɹθmiːd ænd sˈɛvən hˈɪlz dˈiːpoʊs, æz wˈɛl æz ðə ɹˈɛst ʌv ɡlˈɛnɚɹi bˈʌs kˈʌmpəni, wɜː ɹᵻbɹˈændᵻd hˈɪlsbəs.
In December 2004, all Westbus routes operating out of Northmead and Seven Hills depots, as well as the rest of Glenorie Bus Company, were rebranded Hillsbus.