Table below provides a consolidated list of major non-governmental and aid organizations active in Angola. Not all entities have local presence despite having local operations, so I think we could do a heatmap that compares Cabinda to Angola rather than pinpoint locations.

Entity Website Angola Activities Cabinda Activities Local POC
Office of the UN Resident Coordinator, UN Angola Country Team  N/A Rosalinda Condominium, UN Building, Condomínio Rosalinda. R. Direita da Samba, 10º, Luanda, Angola
Resident Coordinator: Zahira Virani, 
Food and Agriculture Organization (FAO)  Gherda Barreto Cajina, Representative 
International Fund for Agricultural Development (IFAD)  X Robson Mutandi, Country Director 
Benjamin Tchiyevo, Country Programme Officer 
United Nations International Children’s Emergency Fund (UNICEF)  X Ivan Yerovi, Representative 
United Nations Human Rights Council (UNHRC)  Vito Trani, Representative 
Office of the High Commissioner for Human Rights (OHCHR)  X Abigail Noko, Regional Representative 
Joint United Nations Programme on HIV and AIDS (UNAIDS)  N/A Michael Kouakou, Country Director
United Nations Educational, Scientific and Cultural Organization (UNESCO)  X Vincenzo Fazzino, Representative 
United Nations Conference on Trade and Development (UNCTAD)  X Olivio Borges, Senior Customs Expert 
United Nations Development Programme (UNDP)  Edo Stork, Representative 
United Nations Population Fund (UNFPA)  N/A Mady Biyae, Representative 
United Nations Industrial Development Organization (UNIDO)  Mekwad El Khaled, Representative 
World Food Program (WFP)  N/A Michele Mussoni, Regional Advisor for the Emergency Programme 
World Health Organization (WHO)  N/A Djamila Khady Cabral, Representative 
United States Agency for International Development (USAID)  N/A USAID Angola Mission
Phone: +244 222 641 000
Fax: +244 222 641 262
USAID Contact
Kennan Wright
1300 Pennsylvania Avenue NW Washington, DC 20523
Phone: 202-712-1078
CARE International  David Mutua, East, Central and Southern Africa, Regional Communications Manager 
Based in Nairobi, Kenya
Norwegian Church Aid  X Norwegian Church Aid (NCA) or Ajuda da Igreja Norueguesa (AIN)
Address: Condomínio Ocean Ville, casa n˚ 138, Via S8, Município de Talatona, Luanda, Angola
Marc St. Martin, Country Director
Tel: + 244 222 431 295
Fax: + 244 222 448 380
Marianne Opheim Sampo, Head of Division
Tel: +47 934 05 816
World Vision International  Maria Carolina, National Program Director
Address: Condomínio Ocean Ville, nº 126, Via S8, Talatona, Belas, Luanda
Phone: 945100320
Catholic Relief Services  N/A 228 W. Lexington St. Baltimore, Maryland
The Halo Trust  Rob Syfrent, Program Manager Angola
1730 Rhode Island Ave NW, Suite 206,
Washington DC 20036
Tel: +1 (202) 331-1266