| APCI | Absorbent Products Company Inc 
| Others |
| APCI | Affirming Pentecostal Church International
| Others |
| APCI | Air Products and Chemicals Inc
| Others |
| APCI | Air Products Chemicals Inc
| Others |
| APCI | All Purpose Canines, Inc.
| Others |
| APCI | American Pharmacy Cooperative Inc
| Others |
| APCI | Application Layer Protocol Control Information
| Others |
| APCI | Application-Layer Protocol Control Information
| Others |
| APCI | Assessment of Parent Child Interactions
| Others |
| APCI | Assessment Planning and Continuous Improvement
| Others |
| APCI | Association of Police and Court Interpreters
| Others |
| APCI | Atmosferic Pressure Chemical Ionization
| Others |
| APCI | Atmospheric Pressure Chemical Ionization
| Others |
| APCI | Atmospheric-Pressure Chemical Ionization
| Others |