American Caresource Holdings, Inc. has added a prominent new client INTEGRA Administrative Group, Inc. Through the relationship with the company, INTEGRA clients are expected to save an additional 7%-9% on their ancillary healthcare spend, as well as gain access to the company's analytics functionality. The company's comprehensive network includes 4,900 ancillary service providers at more than 34,000 sites across the United States. As a result of the relationship between the company and INTEGRA, the company strengthens its position in the Mid-Atlantic region, where thousands of additional member lives will now have access to its network of ancillary service providers.