Singapore (MILB)
San Gregorio - Peru - Seismograph station code, US Geological Survey - Closed (SEIS)
Schering-Plough - NYSE symbol
School Guarantee Program (DNAB)
Secondary Gun Pointer - Navy
Seminiferous Growth Factor - Biochemistry
Serine Glycerophosphatide - Biochemistry (MAE)
Shell Gasification Process - Petroleum engineering
Sialoglycoprotein (DB)
Simulated Ground Plane - Automotive engineering
Singapore - ANSI three-letter standard code (CNC)
Single Gauss Point (CARB)
Single Ground Point - NASA (MCD)
Singpho - Language code (ETLW)
Socialty Glass Products, Inc. (SAUS)
Society of General Physiologists (EA)
Society of Ghana Philatelists - Defunct (EA)
Soils and Groundwater Project
Solicitor General, Prairies - UTLAS symbol
Soluble Glycoprotein - Medicine (MAE)
Southeastern Glass Laminators - NCIC boat manufacturer code (NCIC)
Southern Galactic Pole
Southern Great Plains - Marine science
South Galactic Pole
Specialty Glass Products, Inc.
Staatkundig Gereformeerde Partij - Netherlands - Political party - Benelux
Stabilized Gyro Platform
Standard Guidance Package
Starch Graft Polymers (SAUS)
Statistics Generating (or Generation) Package (SAUS)
Statistics Generation Program (ELAL)
Stephen Greene Press
Strain Gauge Package (SAUS)
Strategic Goals Program - A benchmarking tool to determine environmental performance (IDEM)
Strategic Grants Program (SAUS)
Subscriber Group Plant (IAA)
Sudeten German Party
Sulfated Glycoprotein - Biochemistry
Summit Global Partners of Florida, Inc. - Commercial firm