Bedrift T - Brevik
- Tangens
- Tøi AS
- Tosmur AS
- Torsbukt AS
- Trehuset AS
- Tikon AS
- Trosvik AS
- Torskeberget AS
- Telerosa Rosemalerklubb
- Tai Chi
- Telemarksavisa As Avd. Notodden
- Tolletaten Grenland
- Tankefeltterapi Telemark ANS
- Top Notch ANS
- Telemark Catering DA
- Tørhaug Wa
- Tangen Blikk AS
- Tmd Forsikring AS
- Theodor S AS
- Trosvik Yard AS
- Tamo øst AS
- Tømrermester Aslaksen AS
- Tmd Forsikring AS
- Torgbakken Eiendom AS
- Trosvik Maritime AS
- Tømrermester Skreosen AS
- Tangen Eiendom AS
- Thrace Polybulk AS
- Trosvik Engineering AS
- Tine SA Avd Brevik
- Trebåtens Venner, Brevik
- Tor Erling Naas
- Thaismile Amnuay Ladbasri
- Tannlege Carolin Haugen
- Toppsmil Norge Haugen
- Trehuset Amalie Ree
- Tannlege Ragnhild Olsen AS
- Tannlege Stein Erik Olsen
- Therese Oliwia Nilsen Frisør
- Tore Magnus Nesje Nybø
- Thai Smile By Rapeephan Pruapho
- Ta Din plass/Stinee Marie Wingereid
- Tom`s Kjøreskole Tom H Johnsen
- Thilina Chathuranga Senaratne Separamadu Merennage Don