Caguas - Diocesan abbreviation - Puerto Rico (TOCD)
California Geological Survey
Cambridge Geographical Series - A publication
Cambridge Graphic Systems - Computer science (HGAA)
Canadian Geographical Society (BARN)
Canadian Geological Survey (SAUO)
Canadian Geologic Survey (SAUS)
Canadian Geotechnical Society
Canadian Goat Society
CAP-Gemini-Sogeti - Software manufacturer
Car borne Gamma Spectrometry
Cardiogenic Shock - Cardiology (DMAA)
Caregiver Stress (MELL)
Carolina Geological Society (SAUO)
Catgut Suture - Medicine
Catholic Guardian Society (EA)
CEC Resources - AMX
CEC Resources Ltd. - AMEX symbol (SAG)
Center for Government Service - Rutgers University - Research center (RCD)
Centimeter, Gram, Second (SAUS)
Centimeter-Gram-Second - System of units (AAG)
Central Geological Survey (SAUO)
Central Gliding School - British military (DMA)
Central Gunnery School - British military (DMA)
Centre for Groundwater Studies - Research center (RCD)
Centro De Geodesia Spaziale - Italian Space Agency
Certificate of Graduate Studies (PGP)
Certified Gang Specialist (SEAT)
Champagne Gift Service - De Courcy Pere et Fils - British
Chef des Generalstabs des Heeres - Chief of General Staff of the Army - German military - World War II
Chief of the General Staff - in the field - Formerly, CIGS - Military - British
Chinese Geophysical Socitey (SAUO)
Chinese Society of Geophysics (SAUO)
Cholesterol Gallstones - Medicine
Chromatographic Separation
Circuit Group Congestion Signal - Telecommunications (IAA)
Civil GPS Service (SAUO)
Clan Graham Society - Association (EA)
Clinical Genetical Society - British
Clock Generation & Support (SAUS)
Coast and Geodetic Survey - Later, NOAA - Rockville, MD (AFM)
Coast Guard Ship (SAUS)
Coast Guard Specification
Coast Guard Station (SAUO)
College Park, MD - Location identifier - FAA (FAAL)
Colorado Genealogical Society (EA)
Colorado Geological Survey (SAUO)
Comfort USA, Northport, NY - Manufacturer code for watercraft hull identification number (USCG)
Command Ground Station - Army
Commissary General of Subsistence (SAUO)
Commissary-General of Subsistence - Army - British
Commission on Government Security - Terminated, 1957
Committee on Geological Sciences - National Academy of Sciences (USDC)
Common Graphics System (MCD)
Common Ground Sensor (SAUS)
Common Ground Station - Military
Community Guidance Service (EA)
Compact Gateway Server
Computer Geoscience Section (SAUO)
Computer Graphics Society (SAUO)
Concerned Guatemala Scholars - Defunct (EA)
Conditional Go-to-Statement (SAUS)
Congress - Telegraphy (PCTE)
Consolidated Oil and Gas - AMEX symbol
Consolidated Oil & Gas, Inc. - AMEX symbol (COMM)
Consumer Goods Standards (SAUS)
Contemplatives of Good Shepherd (TOCD)
Continuous Grain Silicon (SAUS)
Control Guidance Subsystem (OA)
CONUS - Continental United States Ground Station (MCD)
Cornell Geological Sciences (SAUO)
Cost of Goods Sold (AAGC)
Cottage Garden Society - British (DBA)
Council of Graduate Schools (EA)
Country Grammar School - British
Court of General Sessions (SAUO)
Crew Gunnery Simulator (PDAA)
Croatian Genealogical Society (EA)
Cryogenic Surgery - Medicine (MELL)
Cyclic Group Signal (SAUO)
Czechoslovak Genealogical Society (EA)
Centimeter-Gram-Second (IDOE)
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