| The Pozo Andersson investment AB | Saltsjöbaden | 0 tkr |
| Thérèse Bäverlind Burman AB | Saltsjöbaden | 0 tkr |
| Therese Lindahl AB | Älta | 0 tkr |
| Thereuce AB | Saltsjöbaden | 0 tkr |
| Thobias Löfqvist AB | Nacka | 0 tkr |
| Thofelt & Thofelt AB | Saltsjöbaden | 0 tkr |
| Thomas Berger Consulting AB | Nacka | 0 tkr |
| Thomas Mannberg AB | Älta | 0 tkr |
| Thomas Persson Consulting AB | Saltsjö-Boo | 0 tkr |
| Thornhold AB | Nacka | 0 tkr |
| Three Little Birds AB | Stockholm | 0 tkr |
| Thuman Holding AB | Saltsjö-Boo | 0 tkr |
| Thunekov AB | Stockholm | 0 tkr |
| Tibergs Förvaltning AB | Nacka | 0 tkr |
| Tigerrace Naturinvest AB | Älta | 0 tkr |
| Tigerrace Säker AB | Älta | 0 tkr |
| TiHuLu Holding AB | Saltsjöbaden | 0 tkr |
| Tila Konsult AB | Saltsjö-Boo | 0 tkr |
| Tilli pedagogik AB | Saltsjöbaden | 0 tkr |
| Timely Consulting AB | Saltsjö-Duvnäs | 0 tkr |
| TINCUS Holding AB | Älta | 0 tkr |
| Tinkering Systems AB | Stockholm | 0 tkr |
| Tirfing Kultur AB | Saltsjö-Duvnäs | 0 tkr |
| TIS Consulting AB | Nacka | 0 tkr |
| Tjärven AB | Saltsjö-Boo | 0 tkr |
| T.J. Lantmätarkonsult AB | Saltsjö-Boo | 0 tkr |
| TJP Holding AB | Saltsjö-Boo | 0 tkr |
| TKT Management AB | Stockholm | 0 tkr |
| T. Landèn AB | Nacka | 0 tkr |
| TL Borrservice AB | Saltsjö-Boo | 0 tkr |
| TLP Southern Word AB | Nacka | 0 tkr |
| T Mikaelsson Förvaltning AB | Saltsjö-Boo | 0 tkr |
| TNS-Connection AB | Stockholm | 0 tkr |
| Tobias Nilsson Invest AB | Stockholm | 0 tkr |
| Tochter AB | Nacka | 0 tkr |
| Todo krog AB | Saltsjöbaden | 0 tkr |
| TOK Holding AB | Värmdö | 0 tkr |
| Tolkn AB | Saltsjöbaden | 0 tkr |
| Tomas Du Rietz Fastighets AB | Saltsjöbaden | 0 tkr |
| TomLin Data Aktiebolag | Farsta | 0 tkr |
| Tommy Ericson Informationsteknologi Aktiebolag | Saltsjöbaden | 0 tkr |
| Torabite AB | Nacka Strand | 0 tkr |
| Tosasushi i Nacka AB | Nacka | 0 tkr |
| Tournament Field Holding AB | Saltsjöbaden | 0 tkr |
| Towr Mölnvik AB | Bromma | 0 tkr |
| TPS Investment AB | Falun | 0 tkr |
| TQI Stockholm AB | Nacka | 0 tkr |
| Trace of Nature AB | Stockholm | 0 tkr |
| Trädgården Culantro AB | Nacka | 0 tkr |
| Trädgårdsviken AB | Saltsjö-Boo | 0 tkr |