Environmental Science Services Adminis… 
Environmental Sciences Services Admini… 
electronically switched spherical arra… 
Emergency Safeguards System Activation 
Endangered Species Scientific Authorit… 
Environmental Satellite Service Admini… 
Extended Space Sensors Architecture 
Ecole Supérieure de Soudure Autogène 
Economists, Sociologists and Statistic… 
Education Support Staff Association 
Electrically Steerable Spherical Array 
Electronic Scanning and Stabilizing An… 
Electronic System Security Assessment 
Entomological Society of Southern Afri… 
Environmental and Social Systems Analy… 
ENVIRONMENTAL SATELLITE SERVICES ADMIN… 
Environmental Science and Services Adm… 
Environmental Science Service Administ… 
Environmental Studies Student Associat… 
Environmental Survey Satellite 
Epidemiological Society of Southern Af… 
Equipment Supply and Services Agreemen… 
Ergonomics Society of South Africa 
European Scientist Sequencing Arabidop… 
European Single Service Association 
Expert System for Situation Assessment 
Expert Systems for Satellite Autonomy 
ICAO code for Arlanda Airport, Stockho…