| ITIA | Illinois Tax Increment Association 
| Others |
| ITIA | Institute for Theology Imagination and the Arts
| Others |
| ITIA | International Tungsten Industry Association
| Others |
| ITIA | Iranian Translators Interpreters Association
| Others |
| ITIA | Irish Translators and Interpreters Association
| Others |
| ITIA | Irish Translators' and Interpreters' Association
| Others |
| ITIA | Irish Tyre Industry Association
| Others |