Is The National Aeronautics and Space Administration (NASA), An Alone Wanderer of the Universes?

Since long, the only association that hits the merit list of researchers in aerospace & defense have been "The National Aeronautics and Space Administration" popularly known as "NASA". The organization has gained its repo, let's be crystal clear - 'a strong reputation' in the world of 'aerospace & defense' globally, moving around the universe searching for facts, 'still hidden to the mankind'.