What does TSO stand for?

Carrollton, OH - Location identifier - FAA (FAAL)

Isles Of Scilly-Tresco - Airport symbol (OAG)

Table Structure Overview - NASA

Tactical Surveillance Officer (MCD)

Tailored Systems Offering (SAUS)

Target Systems Office - Army Materiel Command

Technical Service Order - Aviation (DA)

Technical Service Organization - A generic term

Technical Specification Order

Technical Staff Officer

Technical Standard Order - FAA

Technical Standards Orders Time-Sharing Option (SAUS)

Technical Standing Order (KSC)

Technical Supply Officer (SAUS)

Technical Support Online (SAUS)

Technical Support Order (SAUS)

Technical Support Organization - AEC

Telecommunications Service Order - Telecommunications (TEL)

Telephone du Sud-Ouest (EFIS)

Telephone Series Observations (SAUS)

Telephone Service Observation - Telecommunications (TEL)

Terminating Screening Office (SAUS)

Terminator Sensor Output

Territorial Safety Officer (SAUS)

Tesoro Petroleum - NYSE symbol

Tesoro Petroleum Corp. - NYSE symbol (SPSG)

Test Site Office - NASA

Test Support Operations - NASA (KSC)

Textbook of Service Ordnance (SAUS)

- The Sysops Organization

Theatre of Strategic Operations (SAUS)

Theatre Strategic Operation (SAUS)

The Stationery Office - British (WDAA)

Thrust Section Observer (AAG)

Time Shared Operation (SAUS)

Time-Share Option (SAUS)

Time-Sharing Option - Computer science

Time Since Overhaul - of engine, or other equipment

Time Slot Zero - Telecommunications (IAA)

Time Stage Outgoing (SAUS)

Toronto Symphony Orchestra (CDAI)

Total Store Order

Total Store Ordering

Town Suboffice

Trading Standards Officer (ODBW)

Training for Skill Ownership (AIE)

Transaero Airlines - Former USSR - ICAO designator (FAAC)

Transit Shed Operator

Transportation Supply Officer - Military

Trans Southern Airways (SAUS)

Treating Service Only - Lumber (WOHB)

Trust Section Observer (SAUS)

Tsonga - Language code (ETLW)

Tsonga - GeoNet three-character language code (GEON)

Tulsa - Oklahoma - Seismograph station code, US Geological Survey - Closed (SEIS)