What does EMTA stand for?

Electro-Mechanical Trade Association (SAUO)

Electro-Medical Trade Association - British (BI)

Emerald Tanager - Common English name - Scientific name: Tangara Florida - American Ornithologists Union four-character bird identification (IBP)

Emerging Markets Traders Association (EA)

Endomethylenetetrahydrophthalic Acid - Organic chemistry

Evil Minds Think Alike - Internet lingo (CHAT)