It appears there is confusion regarding the details provided. The Amateur Athletic Union of the United States, commonly abbreviated as AAU, is a well-documented organization. However, the details such as the EIN (Employer Identification Number) and the web address provided do not match the established AAU.

If the query is intended to provide information on the actual AAU, here is a brief overview:

Amateur Athletic Union (AAU)

The Amateur Athletic Union (AAU) is a nonprofit amateur sports organization in the United States.

Background

The AAU was founded on January 21, 1888, by James E. Sullivan and William Buckingham Curtis to establish common standards in amateur sports. It is dedicated to promoting and developing amateur sports and physical fitness programs.

Activities and Programs

The AAU offers a wide range of sports programs and events, including the AAU Junior Olympic Games, which is one of the largest multi-sport events in the country. Additionally, it hosts various national championships across numerous sports.

Membership and Structure

The organization has over 900,000 members nationwide and is structured into 55 distinct district associations.

Philosophy

The AAU's philosophy is "Sports for All, Forever," emphasizing the inclusion of everyone in sports and physical fitness.

However, if the query is about a different organization with the name "Amateur Athletic Union of the United States Inc" and EIN 823204506, there is no available information on such an entity. Therefore, it is not possible to write a Wikipedia-style article based on the provided details.