It appears that the query refers to two different entities, as the Amateur Athletic Union of the United States, Inc., is typically associated with the website aausports.org. However, the query also mentions aresbasketball.com and an EIN number, which does not correspond to the information available for the Amateur Athletic Union. Since specific details about an organization related to aresbasketball.com were not found, here is a Wikipedia-style article focusing on the Amateur Athletic Union of the United States, Inc., highlighting its prominent features:

Amateur Athletic Union of the United States, Inc.

Overview

The Amateur Athletic Union (AAU) of the United States, Inc. is a leading nonprofit, volunteer-based, multi-sport organization dedicated to promoting and developing amateur sports and physical fitness programs. The AAU was established on January 21, 1888, by James E. Sullivan and William Buckingham Curtis, with the primary goal of creating uniform standards in amateur sports. It operates under a 501(c)(3) tax-exempt status granted in 1996.

Mission and Philosophy

The AAU's mission is to provide amateur sports programs through a volunteer base for all people, focusing on physical, mental, and moral development of athletes while promoting good sportsmanship and citizenship. The organization's philosophy, "Sports for All, Forever," emphasizes inclusivity and participation across various ages and skill levels.

History

Initially, the AAU served as a leader in international sport, representing the U.S. in international federations and supporting the Olympic movement. The organization conducted numerous national championships, including track and field events from 1888 to 1978 and early women's basketball tournaments starting in 1926. Following the Amateur Sports Act of 1978, the AAU redirected its focus towards grassroots sports programs for all ages.

Programs and Activities

The AAU offers a wide range of sports programs, including but not limited to baseball, basketball, football, gymnastics, and track and field. It is particularly known for the AAU Junior Olympic Games, a large multi-sport event, and the AAU James E. Sullivan Memorial Award, which honors athletes for their sportsmanship and leadership.

The AAU operates through a network of 55 U.S. districts, hosting numerous events and championships annually. It also engages in community programs like AAU Cares and the AAU Urban Initiative to foster social responsibility.

Membership and Structure

The AAU has over 900,000 members and more than 100,000 volunteers across the United States. The organization is headquartered in Lake Buena Vista, Florida. Its structure includes various national committees to manage different sports disciplines.

Impact and Legacy

The AAU plays a significant role in the development of amateur sports in the United States, providing opportunities for athletes of all ages and skill levels. Its programs and events contribute to the nurturing of future sports leaders and promote community involvement in sports activities.