-
governmental | nasa
-
miscellaneous | funnies
-
Coordinadora De Organizaciones Sindicales
international | spanish
-
business | toronto stock exchange
-
governmental | us government
-
computing | networking
-
City Of Colorado Springs Municipal Airport, Colorado Springs, Colorado Usa
regional | airport codes
-
governmental | us government
-
governmental | nasa
-
community | music
-
Canadian Oncology Society
medical | oncology
-
Covert Organization Search
governmental | military
-
Corporation For Open Systems
computing | general
-
computing | networking
-
business | general
-
miscellaneous | unclassified
-
computing | networking
-
Canadian Ophthalmological Society
medical
-
miscellaneous | unclassified
-
community | religion
-
community | educational
-
governmental | military
-
computing | software
-
Content Optimization System
miscellaneous | unclassified
-
international | turkish
-
Contingency Operating Station
governmental | military
-
Critical Operational Specialties
governmental | military
-
regional | language codes (3 letters)
-
Certified Occupancy Specialist
business | certifications
-
Corporation For Open Systems
governmental | military
-
governmental | military
-
miscellaneous | unclassified
-
community | religion
-
Certificate Of Suitability
governmental | fda
-
computing | texting
-
computing | software
-
academic & science | universities
-
Cracco Outerspace Special
miscellaneous | science fiction
-
Computer Operating System
computing | software
-
governmental | us government
-
computing | networking
-
governmental | military
-
internet | chat
-
Certificate Of Suitability
governmental | us government
-
Cosmic Origins Spectrograph
governmental | nasa
-
community | religion
-
governmental | military
-
Collaborative Operating System
computing | software
-
miscellaneous | unclassified
-
governmental | military
-
community | non-profit organizations
-
Criminal Organization System
governmental | police
-
governmental | state & local
-
City Of Colorado Springs Municipal Airport
governmental | transportation
-
Computer Operations Specialist
business | occupation & positions
-
computing | software
-
academic & science | physics
-
community | housing
-
community | religion
-
governmental | military
-
Community Optional Service
community
-
miscellaneous | unclassified
-
Civilian Occupational Specialty
governmental | military
-
governmental | nasa
-
regional | canadian
-
business | occupation & positions
-
miscellaneous | unclassified
-
Christian Outreach Service
community | religion
-
academic & science | mathematics
-
Critical Occupational Specialty
governmental | military
-
miscellaneous | unclassified
-
miscellaneous | science fiction
-
regional | canadian
-
computing | gaming
-
governmental | nasa
-
Cosmetic Registration Number (ora Aofc Code)
governmental | fda
-
community | sports