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Teikoku Oil
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Tekever
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Tekfen Construction
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Tekken
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Teklas Automotive México, S.A. de C.V.
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Tekno Fire
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Tektronix
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Tektro Technology
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Telangana Industrial Infrastructure Corporation (TGIIC)
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Telcel (part of América Movil)
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Tele2
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Telecinco
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Telecom Argentina
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Telecom Egypt
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Telecom Italia
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Telecommunications Company of Iran
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Telecommunications Consultants India Ltd. (TCIL)
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Telecom Plus Plc
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Teledyne E2V Limited
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Teledyne Technologies Incorporated
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Telefe (part of Telefónica)
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Telefónica
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Telegram
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Telegraph Media Group