What does TCG stand for?

- The Catalyst Group, Inc. - Commercial firm

- The Crimson Group - Cambridge, MA - Telecommunications (TSSD)

Tactical Control Group - Air Force

Tamagario - Language code (ETLW)

Target Constant Generation (SAUS)

TechBoston Consulting Group - Commercial firm

Technical Coordination Group (MCD)

Telecommunications Consulting Group, Inc. - Washington, DC (TSSD)

Telecommunications Group - Range Commanders Council - NASA

Teleport Communications Group (SAUS)

Temps Coordonnee Geocentrique - Geocentric Time Coordinated (AOA)

Territorial College of Guam

Test Call Generation (or Generator) (SAUS)

Test Call Generator - Telecommunications (TEL)

Test Control Group - NASA (NASA)

Theatre Communications Group (EA)

Threat Coordinating Group - DoD

Time Code Generator

Time Compensated Gain (SAUS)

Time-Compensated Gain - Cardiology

Time Constant Group (ACAE)

Time Controlled Gain (AAG)

Tooling Coordination Group (AAG)

Total Combustible Gas (SAUS)

Track Control Group (SAUS)

Trading Card Game (TLAA)

Training and Communications Group, Inc. - Commercial firm

Trans Canada Glass Ltd. - Toronto Stock Exchange symbol - Vancouver Stock Exchange symbol

Transponder Control Group

Transportation Coordination Group (SAUS)

Transverse Centre of Gravity (SAUS)

Tritocerebral Commissure, Giant - Zoology

Trusted Computing Group

Tucson, Cornelia & Gila Bend Railroad Co. - AAR code

Tune-Controlled Gain

- The Tunisian Combatant Group - Government term (GA)

Turner Consulting Group - Commercial firm