The meaning of the Acronym ISG is...

ISG is

• Innocent Sinners Guild

More Meanings For ISG:

• Inverse Signal Generator
• Innovative Structures Group
• Imperial System Guard
• Iraq Search Group
• Innovated Sport Group
• Invicible Sword Goddess
• Individual Salary Gap
• Independent Scientific Group (advises government on the control of tuberculosis in cattle in the UK)
• Intermarket Surveillance Group
• Industry Specific Group
• Iraqi Survey Group
• ISTP Scheduling Group
• Innocent Sinners Guild
• Ishigaki, Japan

ISG is also in:

• Airport Codes
• Electronics
• General
• Military
• NASA
• Religion
• Unfiled
• Universities
• Veterinary