American CareSource Holdings, Inc. (ACS), is an ancillary services company that offers access to national network of ancillary healthcare service providers. The Company sells its services to a number of healthcare companies, including third party administrators (TPAs), insurance companies, self-funded organizations, preferred provider organizations (PPOs) and various employee groups. Ancillary healthcare services include an array of services that supplement or support the care provided by hospitals and physicians. The Company has assembled a network of ancillary healthcare service providers that supplement or support the care provided by hospitals and physicians and includes 30 service categories.