What does SMZ stand for?

Sarsicmaz - NCIC firearms make code (NCIC)

Schweizerischer Fachverband metallverarbeitender Zulieferer - Association of Swiss metal-working sub-contractors

Simeku - Language code (ETLW)

Sonmez Airlines - Turkey - ICAO designator (FAAC)

Southern Maritime Zone (DNAB)

Stoelmanseiland - Surinam - Airport symbol (OAG)

Streamline Mine - Federal Railroad Administration identification code

Streamside Management Zone - Forest industry (WPI)

Sulfamethazine - Antibacterial - Veterinary medicine

Sulfamethoxazol (SAUS)

Sulfamethoxazole - Also, S, SMX - Antibacterial compound

Sulphamethoxazole (DB)

Sympathize - Telegraphy (PCTE)