English abbreviations from pcec to pciu
- PCEC (Potter County Education Council)
- PCEP (Plymouth Canton Educational Park)
- PCF (Photonic Crystal Fan)
- PCFO (Principal Combined Fund Operator)
- PCFS (Proportional Control Fuel Systems)
- PCG (Power Converter Group)
- PCGN (Peterborough Community Garden Network)
- PCH (Photon Counting Histogram)
- PCI (Pre-combat inspection)
- PCIC (Photonic Crystal Integrated Circuit)
- PCIe (Peripheral Component Interconnect Express (computer bus))
- PCIJ (Philippine Center for Investigative Journalism)
- PCIL (Private Core Image Library)
- PCIN (Property Casualty Insurance News)
- PCIP (Pre- College Initiative Program)
- PCIS (Person Centered Information System)
- PCIT (Parent-Child Interaction Training)
- PCITS (Pikeville College Office of Information & Technology Services)
- PCIU (Programmable Communications Interface Unit)