For example, the Dip. Ing. is the title conferred upon the University Geodetic Engineer in Germany, Finland and elswhere. Thus membership depends on reaching a personal minimum level of competence. Such associations may be state regulated, or self regulated and often have some legally defined status. They too are concerned with quality and competence as well as financial matters.
Membership depends on collective financial and technical competence of the firms.
Payment of the membership fee is the only criterion for membership. It has no power to act on policy matters without the consent of the member associations.