Healthcare Services Group, Inc. is engaged in managing housekeeping, laundry, dining, and nutritional services within the healthcare industry. The Company operates through two segments: housekeeping, laundry, linen and other services (Environmental Services), and dietary department services (Dietary). The housekeeping segment consists of managing its customers' housekeeping departments, which are principally responsible for the cleaning, disinfecting and sanitizing of resident rooms and common areas of the customers' facilities, as well as the laundering and processing of the bed linens, uniforms, resident personal clothing and other assorted linen items utilized at the customers' facilities. The dietary segment consists of managing its customers' dietary departments, which are principally responsible for food purchasing, meal preparation and professional dietitian services, which include the development of menus that meet the dietary needs of residents.