Healthcare Services Group Inc is a provider of housekeeping and facility management services to the healthcare industry. The company manages and evaluates its operations in two reportable segments: Environmental Services segment includes housekeeping, management of clients' housekeeping departments, cleaning, disinfecting and sanitizing, laundry, bed linen, and uniform services, linen and other services; and Dietary Segment includes dietary department services, food purchasing, meal preparation, and providing dietitian consulting services. Its clients are nursing homes, retirement complexes, rehabilitation centers, and hospitals in the United States of America. The Environmental Services segment derives maximum revenue.