What does ISTA stand for?

What does ISTA mean?

ISTA	International Seed Testing Association Miscellaneous » Farming
ISTA	International Safe Transit Association Community
ISTA	International Schools Theatre Association Academic & Science » Universities
ISTA	Intelligence, Surveillance, and Target Acquisition Governmental » Military
ISTA	International Selling And Trade Association Business » Firms
ISTA	International Schools Theatrical Arts Miscellaneous » Unclassified
ISTA	Institute Of Space Technology And Aeronautics Miscellaneous » Unclassified
ISTA	International Security Training Academy Miscellaneous » Unclassified
ISTA	International Syclone Typhoon Association Business » Professional Organizations
ISTA	Intertank Structural Test Assembly Governmental » NASA
ISTA	International Safe Transit Association Business
ISTA	Irish Science Teachers' Association Community » Educational
ISTA	Irish Science Teachers' Association Community » Unions
ISTA	International Society for Technology in Arthroplasty Medical » Physiology