Administering discount group purchasing programs, namely, negotiating contracts with providers of medical, surgical and non-medical supplies and services to healthcare organizations to enable participant members of healthcare group purchasing organization to obtain discounts on the purchase of their goods or services; Operating on-line marketplaces featuring medical, surgical and non-medical supplies for independent, alternate-care site healthcare providers; Operating on-line marketplaces for sellers and buyers of goods and/or services; Provision of an on-line marketplace for buyers and sellers of goods and services