The main projects executed by CEGESTI in the region have been possible thanks to the financial contribution of recognized international organizations that promote sustainable development in Latin America.
Following is a list of some of these organizations:
| • German Agency for International Cooperation (GIZ) | • KfW – Kreditanstalt fuer Wiederaufbau |
| • Central American Economic Integration Bank (BCIE, as abbreviated in Spanish) | • The Netherlands Ministry of Foreign Affairs |
| • Inter-American Development Bank (IDB) | • Oikocredit |
| • Central American Commission for Development (CCAD, as abbreviated in Spanish) | • PNUMA |
| • European Commission (EC) | • PymeCapital |
| • Deutsche Investitions-und Entwicklungsgesellschaft mbH (DEG) | • Rainforest Alliance |
| • Environmental Protection Agency (EPA) | • RUTA |
| • Government of Canada | • The Nature Conservancy (TNC) |
| • Friederich Ebert Stiftung | • International Union for Conservation of Nature (IUCN) |
| • CRUSA Foundation – Costa Rica | • UNIDO |
| • ICCO | • European Union |
| • International IDEA | • USAID |
| • Internationale Weiterbildung und Entwicklung GmbH (InWEnt) |