Politics and Business magazines
- Today’s Man, Inc.
- TODCO
- Todd Shipyards Corporation
- Todhunter International, Inc.
- Tofutti Brands, Inc.
- Tohan Corporation
- Toho Co., Ltd.
- Tohoku Electric Power Company, Inc.
- Tokheim Corporation
- TOKYOPOP Inc.
- Tokyu Land Corporation
- Tollgrade Communications, Inc.
- Tom Brown, Inc.
- Tom Doherty Associates Inc.
- Tom's Foods Inc.
- Tombstone Pizza Corporation
- TomTom N. V.
- Tomy Company Ltd.
- Tom’s of Maine, Inc.
- TonenGeneral Sekiyu K.K.