Abstract
It is usual that to argue about organization from the view of personnel supply, personnel arrangement plan or educational training. On the other hand it is very rare to argue about organization form the view of the man, the major element of organization. In the organization, each person is influenced from other people and the influence would make the characteristic of the organization. Characteristic of the organizations, such as one nature, pliability or quick nature is determined by the sense of values of people, an attitude and the reaction. Usually the life of project organization is shorter than that of line organization and project organization is constructed as matrix organization then various people are gathered. A sense of togetherness as an organization is an important and pressing need subject for project success. This paper is discussed about the factors those affect the sense-of-belonging and give methodology to control these factors.