| Rank | Abbreviation | Meaning |
|---|
| ***** | WESA | Welsh Environmental Services Association
| |
| ***** | WESA | Women Entrepreneurs Support Association
| |
| ***** | WESA | Western and English Sales Association
| |
| **** | WESA | West End Soccer Association
| |
| **** | WESA | WESTERN SIERRA NATIONAL BANK
| |
| **** | WESA | Wales Environmental Services Association
| |
| **** | WESA | Wapeneienaars van Suid-Afrika
| |
| **** | WESA | Writing Equipment Society of Australia
| |
| **** | WESA | WolfPack Environmental Student Association
| |
| *** | WESA | Water Employee Services Authority
| |
| *** | WESA | West End Softball Association
| |
| *** | WESA | West End SloPitch Association
| |
| *** | WESA | Water and Environmental Sanitation
| |
| *** | WESA | Water and Environmental Sanitation Agency
| |
| *** | WESA | Western Electric Saudi Arabia
| |
| *** | WESA | Water and Earth Science Associates
| |
| *** | WESA | Welfare Support Assistance
| |
| ** | WESA | Write Excited Sectored Amplitude
| |
| ** | WESA | West End Slo Pitch Association
| |
| ** | WESA | Wildlife Ecology Software Archive
| |
| * | WESA | Western Sandpiper
| |
| * | WESA | West End Sports Association
| |
| * | WESA | Warwick Emergency Services Alliance
| |