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Abbreviation	Definition
ISMS	Integrated Safety Management System
ISMS	Integrated Ship Management System
ISMSS	Institute of Strategic Management of Social Systems
ISMT	Information Security Management Toolkit
ISMT	International School of Management and Technology
ISOM	Information Systems and Operations Management
ISOM	Information Systems Operations Management
ISQMS	Integrated Sewage Quality Management System
ISS	In Service Support
ISSM	Institute of Security and Safety Management
ISSM	Integrated Safegards Security Management
ISSM	Integrated Safeguards And Security Management
ISSWM	Informal Sector Solid Waste Management
ISTM	Information Systems And Technology Management
ISTM	Information Systems Technology Management
ISVM	Intelligent Sales Visit Management
ISWM	Integrated Solid Waste Management
ISWM	Integrated Sustainable Waste Management
ISWMAW	International Society of Waste Management Air and Water
ITAMS	International Transmission Asset Management Study

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