Pantone Color Institute
Pattern Correspondence Index
Periodical Contents Index
Plant Control Interface
Portable Cesium Irradiator
Powder Coating Institute
Power Conversion International
Precision Cascade Impactor
Presentation Context Information
Process Capability Index
Process Consultants, Inc.
Process Control Interface
Program Check Interruption
Program-Controlled Interruption
Programmed Control Interrupt
Pulverized Coal Injection
Palm Computing, Inc
Paramédicos de Catástrofe Internacional
Parti Communiste Internationale
Partit Comunista d'Itàlia
Partit Comunista Italià
Patrimonio Cultural Inmaterial
Pax Christi International
Peripheral Component Interchange
Permanent Clinical Impairment
Persatuan Cricket Indonesia
Personal Change Indicator
Personal Civil de Inteligencia
Phase Code Interval
Photo Certified Institute
Pittsburgh Climate Initiative
Pôles de Compétence et d'Innovation
Population Communications International
Portable Church Industries
Post Consult International
Pre-Conference Institute
Pre-stressed Concrete Institute
Primeiro Comando do Interior
Prix de Cession Interne
Procedure Change Instruction