What does ESSI stand for?

What does ESSI mean?

ESSI	Education & Science Society, Inc. Community » Non-Profit Organizations
ESSI	Engineered Support Systems, Inc. Business » Firms
ESSI	École Supérieure En Sciences Informatiques Academic & Science » Universities
ESSI	Eco Soil Systems, Inc. Business » NASDAQ Symbols
ESSI	Earth Search Sciences, Inc. Business » Firms
ESSI	European System And Software Initiative Computing » General
ESSI	Elevator Safety Solutions, Inc. Business » Firms
ESSI	Visingso, S-Sweden Regional » Airport Codes