The Islamic Institute of Orange County (IIOC) was established in 1991 with the goal of serving both the Muslim and non-Muslim communities in Southern California. To that end, the IIOC is pleased to offer the following services to the community at large: Islamic Services, Youth Programs, Classes, and General Services.Islamic Institute of Orange County (IIOC) was established in 1991 with the goal of serving both the Muslim and non-Muslim communities in Southern California.