"The United Nations and Business" - Procurement (información general) http://www.un.org/partners/business/procure.htm United Nations Procurement Division http://www.un.org/Depts/ptd/ o UNOPS ( United Nations Office for Projects Services) http://www.unops.org IAPSO ( Inter.-Agency Procurement Services Office ) http://www.iapso.org UNCSD (United Nations Common Supplier Database) http://www.uncsd.org United Nations Global Marketplace http://www.ungm.org UNFPA (United Nations Population Fund) www.unfpa.org/about/procurement/procurement.htm WFP (World Food Programme) www.un.org/partners/business/wfpp.htm "United Nations Development Business" http://www.devbusiness.com United Naciones Basic Information http://www.unic.org.ar United Nations and The Companies: http://www.un.org/spanish/partners/business United Nations and The Companies / Procurements http://wwww.un.org/spanish/partners/business/procure.htm UNHCR (United Nations High Commissioner for Refugees) http://www.unhcr.ch