SPF

• Black Hills Airport
• ECB Survey of Professional Forecasters
• Formal spectrum of a ring
• S-phase-promoting factor
• Scottish Police Federation
• Security Policy Framework
• Sender Policy Framework
• Servicio Penitenciario Federal
• Sherwood Park Freeway
• Shortest Path First
• Singapore Police Force
• Single point of failure
• Social protection floor
• Socialist Party of Florida
• Société des poètes français
• Somali Police Force
• Space Power Facility
• Special Police Force
• Specific-pathogen-free
• Springfield railway station
• Spruce-pine-fir
• Structured Programming Facility
• Summer Play Festival
• Sun protection factor
• Superplastic forming
• Survey of Professional Forecasters
• Synomosía Pyrínon tis Fotiás
• building insulation materials