T
- T-Systems
- T&t Nature
- Talented Minds
- TALENTEO
- Talentup
- TalkSpirit
- Tape à l'oeil
- Tata Consultancy Services
- Tata Steel
- Taxis G7
- TBWA
- TBWA\CORPORATE
- Teads
- Techna
- TECHNIDATA
- Technip
- Technip France
- Technitoit
- Tecnoma
- Teisseire
- TEKTOS
- TelAndCom
- Telelangue
- Teleperformance Portugal
- Telitem Consulting
- Temple Translations
- Tep
- Tereva
- TerraCycle
- Terrena
- Terrena PAGC/FVDS
- Terresens
- Tesco
- Tessi Groupe
- TEXDECOR
- TF1 SA
- Thales
- Thales Alenia Space France
- Thales Avionics S.A.
- Thales Electron Devices S.A.
- Thales Global Services S.A.S.
- Thales Optronique S.A.
- Thales Systèmes Aéroportés S.A.
- The Body Shop
- THE BRAND UNION
- The British International School
- The Coca Cola Company
- The Insiders
- The MathWorks
- The North Face
- THE OTHER STORE
- THEVENIN
- Thiriet
- Thomas Cook
- Thomas Sabo
- Thomson Reuters
- Thuasne
- Thyssenkrupp
- TIFANY INDUSTRIES
- TIGF
- Tilbury
- Timac AGRO
- TIMMXWARE
- TMC Régie
- TMP Worldwide
- TNT
- alias
- Toluna
- Tommy Hilfiger
- Top Office
- TOTAL Marketing Services
- Total Sa
- Totally Communications
- Toulouse
- Tournaire
- Tous
- TOYOTA MOTOR EUROPE
- Toys R Us
- Tractebel Engineering
- Tradedoubler
- Trans Route Beton
- Transcom
- Transdev
- Transdev Group (Siège)
- TransGourmet
- Transports Teyssedou
- TravelBird
- Travelex
- Triiptic
- TRIPCONNEXION
- Tronico
- TRSb
- Trw
- Tryba
- Tso
- Tualaweb
- Tuillet
- Turbomeca
- Tyco