group procurement services, namely, purchasing and purchasing contract negotiation, administration and enforcement of medical, surgical, clinical, healthcare and medical diagnostic supplies and capital equipment; cost/price analysis services and supply chain and resource management services, namely, business consultation services regarding the ordering, receiving, inventorying and issuing of medical supplies and capital equipment for hospitals, long-term healthcare facilities, rehabilitation facilities, ambulatory care centers, ambulatory surgery centers, diagnostic and treatment centers, physician offices and clinics, independent/assisted living facilities, home health agencies, and social service agencies; and administration of incentive programs through contract rebates for healthcare professionals participating in group procurement programs