PSF

• Bahrain
• French Social Party
• French Socialist Party
• Ministry of Interior (Bahrain)
• P.S.F. Records
• Pakistan Peoples Party
• Pakistan Science Foundation
• Palestinian Popular Struggle Front
• Pennsylvania Shakespeare Festival
• Pharmaciens Sans Frontières
• Phelps Stokes Fund
• Physical Storage Format
• Pittsfield Municipal Airport (Massachusetts)
• Point spread function
• Polysulfone
• Pondicherry Science Forum
• Portable Sound Format
• Potassium fluorosilicate
• Pounds per square foot
• Pounds per square inch
• Premium Standard Farms, Inc
• Pressed Steel Fisher
• Price per square foot
• Professional service firm
• Progressive segmented frame
• Prolate spheroidal wave function
• Protein Segment Finder
• Provisional Sinn Féin
• Public Security Forces
• Puntland Security Force
• Python Software Foundation
• chemical file format
• pressure
• spinal fusion