| Tappsund Fastighet Lila AB | Stockholm | 0 tkr |
| Tappsund Fastighet Rosa AB | Stockholm | 0 tkr |
| Tappsund Fastighet Turkos AB | Stockholm | 0 tkr |
| Tappsund Förvaltning AB | Stockholm | 0 tkr |
| Tappsund Holding Brun AB | Stockholm | 0 tkr |
| Tappsund Holding Silver AB | Stockholm | 0 tkr |
| Tappsund Holding Svart AB | Stockholm | 0 tkr |
| Tappudden AB | Ekerö | 0 tkr |
| Taranuka AB | Skå | 0 tkr |
| TEEMCOM Invest AB | Ekerö | 0 tkr |
| Tegeltältet Holding AB | Ekerö | 0 tkr |
| Telda Consulting AB | Skå | 0 tkr |
| Tercop Holding AB | Ekerö | 0 tkr |
| TESFA INVEST AB | Ekerö | 0 tkr |
| T Gränd Måleri AB | Stenhamra | 0 tkr |
| TGSL Gruppen AB | Ekerö | 0 tkr |
| Theliba AB | Bromma | 0 tkr |
| The Sparkle AB | Ekerö | 0 tkr |
| Thorslunda på Färingsö AB | Svartsjö | 0 tkr |
| Tiemann Invest AB | Stockholm | 0 tkr |
| TKM Elteknik Invest AB | Stenhamra | 0 tkr |
| Tobias Augustsson AB | Ekerö | 0 tkr |
| Toor Innovations AB | Stenhamra | 0 tkr |
| Tords Management Systems AB | Ekerö | 0 tkr |
| T&P Konsult AB | Stockholm | 0 tkr |
| Trailblazer AB | Drottningholm | 0 tkr |
| Träkvista Förvaltning Aktiebolag | Ekerö | 0 tkr |
| Trandalen AB | Ekerö | 0 tkr |
| Troxedo Betan AB | Falun | 0 tkr |
| Troxedo Delta Aktiebolag | Falun | 0 tkr |
| Troxedo Ett AB | Falun | 0 tkr |
| Troxedo Gamma AB | Falun | 0 tkr |
| Troxhammar Fastighets AB | Ekerö | 0 tkr |
| Troxhammar Förvaltnings AB | Ekerö | 0 tkr |
| Troxhammar Holding AB | Ekerö | 0 tkr |
| Troxhammar Invest AB | Ekerö | 0 tkr |
| Trulsson Innovation & Development AB | Ekerö | 0 tkr |
| TSW Management Consulting AB | Adelsö | 0 tkr |
| TULPANENS HUS AB | Ekerö | 0 tkr |
| Tummetott AB | Ekerö | 0 tkr |
| Twenty-first Century Translation Frispråkigt AB | Ekerö | 0 tkr |
| Uddenco AB | Ekerö | 0 tkr |
| Ulf Nerén AB | Ekerö | 0 tkr |
| Ullallaa AB | Svartsjö | 0 tkr |
| Universal Technologies Sweden AB | Uppsala | 0 tkr |
| Upgreen AB | Ekerö | 0 tkr |
| Uppgårds Holding AB | Stenhamra | 0 tkr |
| Urtajgan Invest AB | Ekerö | 0 tkr |
| Urtel Production AB | Ekerö | 0 tkr |
| Usetopia AB | Huddinge | 0 tkr |