| Acronym | Definition |
|---|
| APPI➣American Psychiatric Publishing, Inc. |
| APPI➣American Psychiatric Publishing Inc. |
| APPI➣Advanced Peer to Peer Internetworking |
| APPI➣American Psychiatric Press, Inc. |
| APPI➣Atmospheric Pressure Photoionization |
| APPI➣Advanced Peer-to-Peer Internetworking |
| APPI➣Advanced Plant Pharmaceuticals Inc. |
| APPI➣Associação Portuguesa de Professores de Inglês |
| APPI➣Affiliated Power Purchasers International, LLC |
| APPI➣Animal Protein Producers Industry |
| APPI➣Australian Pulp and Paper Institute |
| APPI➣Accelerator and Particle Physics Institute |
| APPI➣Agência Paranaense de Propriedade Industrial |
| APPI➣Asian Petroleum Price Index |
| APPI➣Associated Professional Photographers of Illinois |
| APPI➣Asosiasi Produsen Pupuk Indonesia (Association of Indonesia Fertilizer Producers) |
| APPI➣Association de Promotion de la Profession Infirmière |
| APPI➣Atlantic Precision Products Inc. |
| APPI➣International Association for the Promotion and Protection of Private Foreign Investments |
| APPI➣Advanced Program-to-Program Internetworking |
| APPI➣Austrian Pension Performance Index |
| APPI➣Acid Precipitated Protein Isolates |
| APPI➣Association Paulista Pro Interlingua |