ACM
Association for Computing Machinery
The American Legion, founded in 1919, is the largest veterans organization in the United States. The organization is headquartered in Indianapolis, Indiana.
The Smithsonian, Washington, DC is the world's largest museum complex and research organization composed of 16 museums and the National Zoo.
Electronic Numerical Integrator And Computer. It could only store 20 variables and its architecture had no similarity to any computer built after it. A complete dead-end as far as computing equipment was concerned.
Organized government is basically non-anarchy. It could be anything from a council of elders or chiefs that ruled many of the worlds largest farming villages to a complex modern democracy with different areas of government balancing the others.
The largest and most comprehensive civil rights organization is the American Civil Liberties Union.
ABA
national safety council
National Geographic Society
The Professional Association of Diving Instructors (PADI) is the largest diver training organization in the world.
The American Psychological Association (APA) was founded by a group of 31 psychologists and was officially established in 1892 by G. Stanley Hall. The APA is the largest scientific and professional organization representing psychology in the United States.
The American Correctional Association (ACA) is the largest professional organization for corrections in the United States. It is a nonprofit organization that represents a wide range of professionals in the field of corrections, including correctional administrators, wardens, and correctional officers. The ACA provides resources, training, and accreditation services to its members.
the largest level of organization is an organism which is the body
The Largest National Boat Racing Organization is the APBA.
The American Legion, founded in 1919, is the largest veterans organization in the United States. The organization is headquartered in Indianapolis, Indiana.
The National Education Association is the largest professional organization and largest labour union in the United States of America. It represents public school teachers and other support personnel, faculty, and staffers at colleges and universities.
Biosphere
The National Education Association (NEA) is both the largest professional organization and labor union in the United States. The NEA supports teachers with services such as, legal issues, labor disputes and professional development.