Cost Performance Index 
Common Programming Interface 
characters per inch 
Common Part Indicator 
character per inch 
Charged Particle Instrument 
Corrugated Plate Interceptor 
Cross Pointer Indicator 
Cycles Per Instruction 
Central Patents Index 
Central Port Injection 
Clock Per Instruction 
Code Page Information 
Common Physical Interface 
Communication Programming Interface 
Computer-to-PBX Interface 
Cost Per Inquiry 
Cost Performance Indicator 
Cycles Per Inch 
Cable Pair Identification 
Call Progress Indication 
Call Progress Indicator 
Calling Party Identification 
Canadian Pirates Incorporated 
Caribbean Packaging Industries 
Central Port Fuel Injection 
Certification Process Improvement 
Certified Product Instructor 
Chemical Processing Industry 
Clocks Per Instruction