| Rank | Abbreviation | Meaning |
|---|
| ***** | ANIS | Ammonium Nitrate-Icing Sugar
| |
| **** | ANIS | Asociación Nacional Indígena Salvadoreña
| |
| **** | ANIS | Anorexia Nervosa Inventory for Self-Rating
| |
| **** | ANIS | Association pour le Développement National de l'Internet dans la Santé
| |
| **** | ANIS | A Negotiated Integration of Services
| |
| *** | ANIS | Agency for Nuclear and Industrial Safety
| |
| *** | ANIS | Aircraft Noise Index Study
| |
| *** | ANIS | Associazione Nazionale Istruttori Subacquei
| |
| *** | ANIS | Automatic Number Identification Service
| |
| *** | ANIS | Asociación Nacional de Informadores de la Salud
| |
| ** | ANIS | Asociación Nacional de Indígenas Salvadoreños
| |
| ** | ANIS | Asociaţia Naţională a Industriei de Software
| |
| ** | ANIS | Asociación Nacional de Informadores Sanitarios
| |
| * | ANIS | Algae for Naturally Iodized Salt
| |
| * | ANIS | Anorexia Nervosa Inventory Scale
| |
| * | ANIS | Association Nord Internet Solidaire
| |
| * | ANIS | Administration Network Interface Standards
| |
| * | ANIS | Automatic Navigation Intercept System
| |
| * | ANIS | Analoger Teilnehmeranschluss an ISDN
| |
| * | ANIS | Arabian Network Information Services
| |
| * | ANIS | l'Association Nord Internet Solidaire
| |
| * | ANIS | Asociatia Nationala a Internet Service
| |
| * | ANIS | All Neutrino Interaction Simulation
| |
| * | ANIS | Annular Isotropic Source
| |