What does IST stand for? 

I Saw That

Community » Youth

Idle Shutdown Timer

Miscellaneous » Automotive

Imaging Systems and Techniques

Miscellaneous » Photography & Imaging

Immediate Service Termination

Computing » IT

Impact Sports Training

Sports

Imperial Stout Trooper

Miscellaneous » Food & Nutrition

Implementation Systems Test

Miscellaneous » Unclassified

Improvising String Trio

Community » News & Media

In-Service Testing

Governmental » Military

Inappropriate Sinus Tachycardia

Miscellaneous » Unclassified

Incident Support Team

Computing » IT

Inddiethumpers Standard Time

Governmental » Law & Legal

India Standard Time

Miscellaneous » Unclassified

Indian Standard Time

Regional » Time Zones

Indian Stretchable Time

Miscellaneous » Unclassified

Individual Strength Test

Governmental » Military

Industrial Strength Trance

Miscellaneous » Unclassified

Industrial Summit Technology

Computing » Technology -- and more...

Information and Software Technology

Computing » Technology

Information Science and Technology

Academic & Science » Universities

Information Science Technology

Computing » Technology -- and more...

Information Sciences and Technology

Academic & Science » Academic Degrees

Information Sciences Technology

Academic & Science » Universities

Information Seeking Task

Miscellaneous » Unclassified

Information Services and Technology

Computing » Technology

Information Services Technology

Computing » Technology

Information Society Technologies

Academic & Science » Societies -- and more...

Information Software Technology

Computing » Databases

Information Solutions for Telemedicine

Business » Companies & Firms

Information Switching Technology

Computing » Networking

Information System Technology

Academic & Science » Academic Degrees

Information Systems and Technology

Computing » Technology -- and more...

Information Systems Technician

Computing » IT

Information Systems Technologies

Academic & Science » Academic Degrees

Information Systems Technology

Computing » Technology

Initial Strength Test

Miscellaneous » Unclassified

Initial System Test

Computing » IT

Inner Space Techniques

Miscellaneous » Unclassified

Innovation Science and Technology

Computing » Technology -- and more...

Innovative Sensor Technology

Computing » Technology

Innovative Sewer Technologies

Computing » Technology

Inox Steel Techology

Miscellaneous » Unclassified

Insights Solutions and Training

Miscellaneous » Unclassified

Institute for Security and Technology

Computing » Technology -- and more...

Institute for Simulation and Training

Governmental » Military

Institute of Science and Technology

Computing » Technology

Institute of Simulation and Training

Governmental » Institutes

Institute of Space Technology

Academic & Science » Universities

Institute of Spring Technology

Computing » Technology -- and more...

Instituto Superior Tcnico (Technical Superior Institute)

Academic & Science » Universities

Instituto Superior Técnico

Miscellaneous » Unclassified

Instructional Support Teacher

Business » Occupation & Positions

Instructional Support Team

Academic & Science » Universities

Instructional Systems Technology

Academic & Science » Universities

Instrument Support Terminal

Computing » IT

Insulin Shock Therapy

Medical » Physiology

Integer Store

Computing » IT

Integrated Search Technologies

Computing » IT

Integrated Security Technologies

Computing » Technology

Integrated Service Team

Business » General Business

Integrated Service Technology

Computing » Technology

Integrated Sports Training

Sports

Integrated Supply and Trading

Miscellaneous » Unclassified

Integrated System Test

Governmental » Military

Integrated Systems Technician

Miscellaneous » Unclassified

Integration Services and Technologies

Computing » Technology

Intelligent Scanning Technology

Computing » IT

Inter School Transfer

Community » Schools

Internal Spanning Tree

Computing » IT

International School of Tallinn

Miscellaneous » Unclassified

International Service Team

Miscellaneous » Unclassified

International Steam Table

Miscellaneous » Unclassified

International Stroke Trial

International

International Students Tours

International -- and more...

International Study Tour

Academic & Science » Universities

International Super Truck

Miscellaneous » Automotive

International Surface Technologies

International

International Sustainability Transitions

International

International Switched Transit

Computing » IT

Interrupt Service Thread

Computing » Drivers -- and more...

Interrupt Stack Table

Computing » IT

Interswitch Trunk

Governmental » Military

Intravascular Sono-Therapy

Medical » Physiology

Irish Society of Toxicology

Academic & Science » Societies

Irish Summer Time

Regional » Irish

Irish Summer Time [UTC - 0000]

Regional » Time Zones

Isolated Seat Tube

Miscellaneous » Unclassified

Ispat International, N. V.

Business » NYSE Symbols

Israel Standard Time

Regional » Time Zones

Issaquah Swim Team

Miscellaneous » Unclassified

Istanbul

Regional » Language Codes (3 Letters)

Istanbul, Turkey

Regional » Airport Codes