- Arquitectura i enginyers de camins: UN-Habitat, UNDP, UNHCR, WFP, UNICEF, UN-Women, World Bank. - Telecomunicacions: UN-Habitat, UNDP, UNHCR, UNICEF, UN-Women, ITU, World Bank. - Industrials: UNIDO, WIPO, UNDP, UNHCR, UNICEF, UN-Women, World Bank. - Física: UNIDO, IAEA, UNEP, UNDP, UNCLOS, WHO, UNHCR - ADE: Secretariat, WTO, World Bank. - Sostenibilitat i agrònoms: DESA, UNEP, UNDP, UNCLOS, UNIDO, WHO, UN-Women, UNICEF, UNHCR, FAO, WFP, IFAD, UN-Habitat, World Bank.