| Haitian Government | NGOs and Private Consultants |
| Ministère de la Santé Publique et de la Population | Arkemie |
| U.S. Government | Association of Haitian Physicians Abroad, Florida Chapter |
| Department of Defense (DOD) | Baertracks |
| Department of Education | Christian Connections for International Health |
| Department of Health and Human Services | Christian Medical and Dental Associations |
| Department of Homeland Security | Citizen Command Center Database Team, Citizen Action Team |
| Department of State | Communibuild Technologies |
| Peace Corps | CrisisCommons |
| United States Southern Command (DOD) | DirectRelief |
| U.S. Agency for International Development | Evotech, Inc. |
| Multilateral Organizations | FortiusOne, Inc. |
| Geo-Operations Unit, United Nations | Global Health Action |
| International Organization for Migration (IOM)a | Haitian Mental Health Network |
| Office for the Coordination of Humanitarian Affairs, United Nations | Haiti Village Health |
| World Health Organization/Pan American Health Organization | Humanitarian Medical Aid Direct Relief |
| United Nations Development Programme | ICF International |
| World Health Organization headquarters | IMA World Health |
| Academia | InSteDD |
| Bloomberg School of Public Health, Johns Hopkins University | InterAction |
| Center for Geographic Analysis, Harvard University | Logistics for Health |
| Emory University | MEASURE Evaluation |
| The George Washington University | Medical Mission Exchange |
| Institute for Global Leadership, Tufts University | OpenStreetMap |
| Lincoln Laboratory, Massachusetts Institute of Technology | Project Medishare for Haiti |
| Mailman School of Public Health, Columbia University | ReliefWeb |
| Foundations | Sahana Software Foundation |
| Clinton Foundation | Shoreland, Inc. |
| Google Foundation | Synergist Technology Group, Inc. |
| Thermopylae Sciences + Technology | |
| Ushahidi | |
| World Cares Center | |
| World Concern |
↵a Although IOM is not part of the UN system, it works very closely with the UN specialized agencies and is part of UN Country Teams around the world.