What does SFF stand for?

San Francisco Financial District, CA - Amtrak Busline code

Santa Fe Energy Trust Co. - NYSE symbol (SAG)

Santa Fe Energy Tr `SPERs' - NYSE symbol

Science Fiction Foundation (EA)

Sea Frontier Force - Navy

Self-Forging Fragment - Warhead (MCD)

Self-Forging Fragmentation

Self-Forging Fragments (SAUS)

Self-Forming Fragment (SAUS)

Senior Firefighter - Australia

Sense Flip-Flop (SAUS)

Sheffield - Tasmania - Seismograph station code, US Geological Survey (SEIS)

Sheriff's Model - NCIC firearms make code (NCIC)

Silicone Rubber-Insulated Fixture Wire, Flexible Stranding (IAA)

Site Field Force - Army (AABC)

Slocan Forest Products Ltd. - Toronto Stock Exchange symbol - Vancouver Stock Exchange symbol

Slovene Franciscan Fathers (EA)

Small Formation Flyer (SSD)

Small Form Factor - Computer science

Solar Forecast Facility - Air Force (MCD)

Solid Freeform Fabrication - Metallurgy

Speaking Fundamental Frequency (STED)

Spirit of the Future Foundation (SAUS)

Spiritual Frontiers Fellowship - Later, SFFI (EA)

Spokane, WA - Location identifier - FAA (FAAL)

Standard File Format

Step Family Foundation (EA)

Strategic Fuel Fund - Manages strategic inventory of crude oil on behalf of the State (ESKOM)

Supplementary Financing Facility - International Monetary Fund