EGCA

AcronymDefinition
EGCAEuropean Group Cat Association
EGCAEngineering & General Contractors Association (San Diego, CA)
EGCAEstonian Grid Certification Authority
EGCAEmersons Green Community Association (UK)
EGCAEgretta Caerulea (little blue heron)
EGCAÉglise Gnostique Catholique Apostolique (French: Gnostic Catholic Apostolic Church; various locations)