What does ESL stand for?

What does ESL mean?

ESL	Spanish Regional » Language Codes (3 Letters)
ESL	English as a Second Language Community » Educational
ESL	Eighteenth Street Lounge Business » Firms
ESL	English Second Language Miscellaneous » Unclassified
ESL	Esterline Technologies Corporation Business » NYSE Symbols
ESL	Electronic System Level Miscellaneous » Unclassified
ESL	Electro Science Laboratories Medical » Oncology
ESL	Estimated Service Life Governmental » Military
ESL	Enterprise Source License Miscellaneous » Unclassified
ESL	East Side Locos Miscellaneous » Unclassified
ESL	Electric Science Laboratories Miscellaneous » Unclassified
ESL	Escuela para Niños Santa Lucia, del Comité Nacional Prociegos y Sordomudos International » Guatemalan
ESL	Execution Servant Leader Miscellaneous » Unclassified
ESL	ESLicarbazepine Medical » Laboratory
ESL	Enghouse Systems Limited Business » Toronto Stock Exchange