| Rank | Abbreviation | Meaning |
|---|
| ***** | NSAA | Northern Salvage Automobile Auctions
| |
| **** | NSAA | Nordic Ski Association of Anchorage
| |
| **** | NSAA | National Strength Athletics Association
| |
| *** | NSAA | North and South America Area
| |
| *** | NSAA | Northwest Ski Areas Association
| |
| *** | NSAA | National Sports Association of America
| |
| *** | NSAA | National Security Association of Australia
| |
| ** | NSAA | National Survey of African American Mental Health
| |
| ** | NSAA | National Sustainable Agriculture Advisory
| |
| ** | NSAA | Non Severe Aplastic Anaemia
| |
| ** | NSAA | National Sulphuric Acid Association
| |
| ** | NSAA | National Socialist Action Army
| |
| ** | NSAA | Nebraska School Activities Association
| |
| * | NSAA | National Survey of African Americans
| |
| * | NSAA | National Study on Alternate Assessments
| |
| * | NSAA | Nova Scotia Aquaculture Association
| |
| * | NSAA | New School for the Arts and Academics
| |
| * | NSAA | National Speakers Association Australia
| |
| * | NSAA | Native Studies Alumni Association
| |
| * | NSAA | National Ski Association of America
| |
| * | NSAA | National Student Assistance Association
| |
| * | NSAA | National Sports Acupuncture Association
| |
| * | NSAA | Nordic Skiing Association of Anchorage
| |
| * | NSAA | Nova Scotia Association of Architecture
| |
| * | NSAA | Norwegian Singers Association of America
| |