ELCO Views 8 meanings found ELCO is most often seen as a corporate brand name for firms in electronics, manufacturing and related sectors, and it also serves as an abbreviation for the Eastern Lebanon County region or a Lisp compiler in technical contexts. Medical Eclectic Laboratory Chamber Orchestra Academic & Science English Language Community Outreach English Language and Community Outreach Regional Eastern Lebanon County Eastern Lebanon County or Computing Embedded Lisp COmpiler or Business Elcom International, Inc. Eleco