Translate the following English sentence to French:
"The work they do in terms of relations and competencies is, however, just as important as that of the major NGOs, but some of them do not have the same administrative facilities that some major NGOs have."
Or, celles-ci font un travail de relations, de compétences, tout aussi important que des grandes ONG, parce que certaines d'entre elles n'ont pas, précisément, les logiques administratives qu'ont certaines grandes ONG.