PCS

• Communist Party of El Salvador
• ISU Judging System
• List of patrol vessels of the United States Navy
• PC (disambiguation)
• Pacific Central Station
• Pacific Championship Series
• Pacific Collegiate School
• Parsec
• Partitioning Communication System
• Pelvic congestion syndrome
• Periphere Computer Systeme
• Permanent change of station
• Personal Clothing System
• Personal Communications Service
• Personal computer
• Petaluma City Schools
• PhillyCarShare
• Photo City Sagamihara
• Photon correlation spectroscopy
• Physical coding sublayer
• Picture communication symbols
• Pinball Construction Set
• Plastic-clad silica fiber
• Polish Council of State
• Portland Center Stage
• Post-concussion syndrome
• Postcholecystectomy syndrome
• PotashCorp
• Precordial catch syndrome
• Presbyterian Christian School
• Prime Cabinet Secretary
• Process control system
• Professional Children's School
• Profile connection space
• Provincial Civil Service (disambiguation)
• Provo Canyon School
• Public and Commercial Services Union
• Pueblo City Schools
• Sammarinese Communist Party