A (70) B (40) C (85) D (45) E (41) F (28) G (67) H (35) I (113) J (27) K (9) L (14) M (66) N (44) O (25) P (41) Q (1) R (38) S (64) T (71) U (106) V (7) W (28) X (1) Y (3) Z (2)
Office National de Nutrition
Office of the Special Representative for Afghanistan and Pakistan of the United States
Office of the UN Secretary General Special Envoy for Tsunami Recovery
Office of the United Nations High Commissioner for Human Rights (OHCHR)
Office of Transition Initiatives
Office of U.S. Foreign Disaster Assistance (OFDA)
One World International Foundation
Open Architecture Network
Open University
Operational Systems Development in Timor-Leste Project
Organisation for Development Education (UNNATI)
Organisation of African Unity
Organisation of Eastern Carribean States
Organization for Economic Co-operation and Development
Organization for Security and Co-operation in Europe
Orissa Development Technocrat Forum
Orissa State Disaster Management Authority
Overseas Development Administration
Overseas Development Institute
Overseas Development Institute (ODI)
Oxfam Australia
Oxfam GB
Oxfam International
Oxford Brookes University
Oxford University