What does ESTO stand for?

Eastco Industrial Safety Corp. - NASDAQ symbol (NQ)

Electronic Systems Technology Office (VERA)

Engineer/Service Test Office - Aerospace

Estonian World Festival

Europaeische Studentenvereinigung in Osterreich

European Science and Technology Observatory (SAUS)

European Students Travel Organization (SAUO)

Oil Palm Plantation - GeoNet geographic features code (GEON)

Estonia (VRA)