From 2004 and 2007, the  CNPq (Conselho Nacional de Desenvolvimento Científico e Tecnológico) agency sponsored eproject E-foto. Nowadays, other institutions provide support to the project, mainly UERJ (State University Rio de Janeiro), with grants for thecnical support (PROATEC), undergraduate research and trainee. The Brazilian Army (Exército Brasileiro/ Diretoria do Serviço Geográfico) also have sponsored this project by a cooparation to the develpment of the photogrammetric module of the project  SIG-Desktop.

We also are grateful to other institutions wich have provided support to us: Funcate, Instituto Militar de Engenharia , Instituto Brasileiro de Geografia e Estatística, Companhia de Pesquisa de Recursos Minerais, Instituto Municipal de Urbanismo Pereira Passos and TopoCart.