Signatories to the Code of Conduct
| Organization | Location | Website |
|---|---|---|
| Norwegian Church Aid | Norway | https://www.nca.no |
| Norwegian Organization for Asylum Seekers | Norway | |
| Norwegian Refugee Council | Norway | |
| Ockenden International | United Kingdom | |
| OFADEC (Office Africain pour le Développement et la Coopération) | Senegal | |
| Ohaha Family Foundation | Nigeria | https://www.ohahafamilyfoundation.org |
| OIKOS cooperação e desenvolvimento | Portugal | |
| One Earth | Greece | https://www.oikos.pt |
| ONG DIKO | Niger | https://www.ongdiko.org |
| Operation Mercy | Sweden | |
| Operation Sabre | United Kingdom | https://www.facebook.com/operationsabre2014/ |
| Operation USA | United States of America | https://www.mercy.se |
| Ora International | Germany | |
| ORFACT (Orphans Relief Fund and Charitable Trust) | United Kingtom | https://www.ora-international.org |
| Organization for Relief and Development of Afghanistan (ORDA) | Canada | https://www.ordacanada.org |
| Organization for Research and Community Development (ORCD) | Afghanistan | https://www.orcd.org.af/ |
| Organization for Research & Community Development Global | United States of America | https://www.orcdglobal.org |
| Orienthelfer e.V. | Germany | https://www.orienthelfer.de |
| Orphan Care | United Kingdpm | https://www.orfact.org |
| Orphans Care Federation | United Kingdom | https://orphanscarefederation.org |
| Orphans Relief | United Kingdom | https://orphanreliefandrescue.org |
| Oxfam America | United States of America | |
| Oxfam Australia | Australia | https://www.oxfam.ca |
| Oxfam Belgique | Belgium | |
| Oxfam Canada | Canada | https://www.oxfamsol.be |
| Oxfam Democratic Republic of Congo | United Kingdom | https://www.caa.org.au/ |
| Oxfam GB | United Kingdom | https://www.oxfam.de |
| Oxfam Germany | Germany | |
| Oxfam Hong Kong | Hong Kong | https://www.oxfam.org.uk |
| Oxfam International | United Kingdom | |
| Oxfam Ireland | Ireland | https://www.oxfaminternational.org |
| Oxfam New Zealand | New Zealand | |
| Oxfam NOVIB (Netherlands Organisation for International Development Cooperation) | Netherlands | |
| Oxfam-Québec | Canada | |
| Padang Lutheran Christian Relief | Canada | |
| PADEK, Partnership for Development in Kampuchea | Cambodia | https://www.plcr.org |
| PAH Polish Humanitarian Action | Poland | https://www.pah.org.pl |
| Palestinian Hydrology Group | Palestine | https://www.phg.org/ |
| PANI . People Action for National Integration | India | https://www.padek.org |
| Paramédicos de catástrofe Internacional | Portugal | https://www.paramedico-internacional.org |
| Participatory Village Development Programme | Pakistan | https://www.pvdpsindh.org |
| Partners Relief and Development Australia Inc | Australia | https://www.partners.ngo |
| Partners Relief & Development | USA | https://www.partners.ngo |
| Pax Christi Australia (NSW Section) | Australia | https://www.partner-aid-international.org |
| Pax Christi Germany | Germany | |
| PCPM - Polish Center for International Aid | Poland | https://www.pcpm.org.pl |
| Peace Winds Japan | Japan | https://www.paxchristi.de |
| Penny Appeal | United Kingdom | https://www.pennyappeal.org |
| Penny Appeal Australia | Australia | https://www.pennyappeal.org.au |
| People in Need Foundation | Czech Republic | https://www.peace-winds.org |