Usher Income Tax Service11266 Terra Vista Pkwy. #125Rancho Cucamonga, CA Nicole M Usher(909)-944-6695Vernon D Oates9481 Stoneybrock PlaceRancho Cucamonga, CA Vernon Oates(714)-292-3716Ybarra & Gillespie, CPAs LLP10370 Commerce Center Dr Ste 205Rancho Cucamonga, CA Barbara A Gillespie(909)-989-0788Yorke & Assocs CPAs Inc9140 Haven, Ste. 105Rancho Cucamonga, CA Richard E Yorke(909)-944-0770