| IAWA | I Am We Are 
| Others |
| IAWA | Illinois Association of Wastewater Agencies
| Others |
| IAWA | Independent Afghan Women Association
| Others |
| IAWA | Indiana Automotive Wholesalers Association
| Others |
| IAWA | International Active Women Association
| Others |
| IAWA | International Animal Welfare Alliance
| Others |
| IAWA | International Archive of Women in Architecture
| Others |
| IAWA | International Association of Wood Anatomists
| Others |
| IAWA | International Aviation Womens Association
| Others |
| IAWA | Iowa Agricultural Water Alliance
| Others |
| IAWA | Iowa Agriculture Water Alliance
| Others |
| IAWA | Iowa Association of Water Agencies
| Others |
| IAWA | Irish Amateur Wrestling Association
| Others |
| IAWA | Italian American Writers Association
| Others |
| IAWA | Italian Artisan Web Agency
| Others |