On certain major cases, the national chapter gets directly involved.

There are over 30 national chapters, in countries where membership exceeds 25 individual members.

With a growing number of national chapters a real international umbrella was needed.

The national chapters offer their services around the membership for their members.

The members in the national chapters were entire companies or individuals.

The following list of some national chapters is taken for example to show individual activities.

With more than 65 national chapters, the university's Greek community is one of the nation's largest.

January 2012 there are over 11000 members in 17 national chapters.

The rest are already dry or will become so because of mandates by their national chapters.

There were 5 national chapters with a membership of 1500 in 1965.