The Single County Authority (SCA) administrative office is responsible for providing the infrastructure for establishing and maintaining a full continuum of care by subcontracting or collaborating with a large consortium of provider agencies. Contracts or agreements are established for the provision of drug and alcohol prevention, intervention treatment and ancillary support services based on community need and fund availability. Central to the development of program strategies are specialized services for targeted populations within the county such as, IV injection drug users, pregnant women, women with children and individuals with co-occurring disorder (COD).