Government Source Inspection Geographical Survey Institute Grand Scale Integration Gridpoint Statistical Interpolation General Server Interface General Service Interface Giga-Scale Integration Glide Slope Indicator Grid Security Infrastructure Genuine Software Initiative Geological Survey of Ireland Global Severity Index Global Strike and Integration Globus Security Infrastructure Goddard Safety Initiative Graduate Student Instructor Graphic Structure Input Guaranteed Standard Issue gametophytic self-incompatibility General Salary Increase General Severity Index General Symptomatic Index Generate Spurious Interrupts generic safety issue generic software interface genuine stress incontinence genuine stress urinary incontinence Geodetic Survey Inst. Geodetic Survey Institute Geolical Survey Inst.
Government Source Inspection