HIV Services Care Coordination RAIN Oklahoma provides Ryan White Community Case Management. Housing RAIN Oklahoma provides housing assistance through Oklahoma Housing Finance Agency HOPWA funding including:The Bungalows Transitional HousingShort Term Rent and Utility AssistanceMortgage and Utility AssistanceTenant Based Rental Assistance Testing RAIN Oklahoma offers free, confidential and anonymous HIV antibody testing Monday through Thursday 8:30 am to 3:30 pm by appointment.