Firma T - Kolsås
- Triplex AS
- Tov23 AS
- Tobin AS
- Thano AS
- Tekhus AS
- Topaas Holding AS
- Trosterud Engineering AS
- Tcas Snekkertjenester AS
- Tekrad Kurzawski
- Toppåsen Huseierforening
- Tina Trøa
- Tipi Consulting AS
- Trajan Eiendomsinvest AS
- Tangen Consulting AS
- Torkill Wiik
- Tandstad Rorbuer AS
- Techbridge Invest AS
- Tipi Invest AS
- Thomas Karlsen
- Tore Lind
- Trym Johansen
- Toni Stipic
- Trygve Gulbrandsen
- Thuva Larsen
- Thomas Amlie
- Tanja Zajc
- Toppåsjordet Huseierforening
- Thorkildsen Eiendom AS
- Tandstad Holding
- Taxi AL Khateeb
- Trigger Invest Holding AS
- Torbjørn Sørby Holding AS
- Tea Andreassen Consulting
- Tannlege Johan Ulstad AS
- Trym Aasheim Media
- Tone Faugli Consult
- Turid Tarja Bakkelid
- Tangen Consulting Byggkontroll AS
- Tora Heidi Christensen
- Torgeir Pedersen Ambjørseiet
- Thitima Thai Food AS Konkursbo
- Thitima Thai Food AS Konkursbo
- Tom Aksel Mathisen Bexindustri
- Tewi Consulting Tom Wiencke
- Tekna Etatsforening i Forsvarsmateriell
- Turkis Kiosk Ismail Gurdere