Sales Performance Incentive Fund - Business term
School Practices Information File - BRS Information Technologies - Information service or system - Defunct
Sequential Prime Implicant Form
Shuttle Payload Integration Facility - NASA (MCD)
Shuttle Payload Interface Facility - NASA
Shuttle/POCC Interface Facility Function (SAUS)
Solid-Phase Immunoasay Fluorescence - Medicine (EDAA)
Special Interface (SAUS)
Spontaneous Peak Inspiratory Force - Medicine (EDAA)
Standard Payload Interface Facility - NASA (MCD)
State, Private and International Forestry (ALAC)